320B N TRACK-TYPE EXCAVATOR 4NR00001-UP (MACHINE) POWERED BY 3066 ENGINE HYDRAULIC SYSTEM Caterpillar SIS

EXCAVATOR 320B N EXCAVATOR 4NR
320B N TRACK-TYPE EXCAVATOR 4NR00001-UP (MACHINE) POWERED BY 3066 ENGINE XEBP7688 320B N 4NR (1998)

Parts group 320B N:

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HYDRAULIC SYSTEM

ACCUMULATOR GP

087-4456 ACCUMULATOR GP

0874456 ACCUMULATOR GP
Part of 1192391-Page281

4I-1536 ACCUMULATOR GP

4I1536 ACCUMULATOR GP
Part of 0874456-Page224

5I-8416 ACCUMULATOR GP

5I8416 ACCUMULATOR GP
Part of 0874456-Page224
0874454-Page226

087-4454 ACCUMULATOR GP

0874454 ACCUMULATOR GP
Part of 5I8416-Page226

BLOCK GP

173-3503 BLOCK GP-HYDRAULIC

1733503 BLOCK GP-HYDRAULIC
Part of 1076995-Page223

COOLER GP

109-9496 RADIATOR & HYD OIL COOLER GP

1099496 RADIATOR & HYD OIL COOLER GP
Part of 1099495-Page 41.02

COUPLING GP

124-1669 COUPLING GP-PUMP

1241669 COUPLING GP-PUMP
Part of 1099501-Page206

CYLINDER GP

118-3948 CYLINDER & LINES GP-BOOM

1183948 CYLINDER & LINES GP-BOOM
Left Hand
Part of 1174140-Page499,1174141-Page500
An Attachment

118-3956 CYLINDER & LINES GP-BOOM

1183956 CYLINDER & LINES GP-BOOM
Right Hand
Part of 1174140-Page499,1174141-Page500
An Attachment

154-0726 CYLINDER & LINES GP-BOOM

1540726 CYLINDER & LINES GP-BOOM
Left Hand
Part of 1680552,1317658-Page501,1317660-Page502
An Attachment

154-0725 CYLINDER & LINES GP-BOOM

1540725 CYLINDER & LINES GP-BOOM
Right Hand
Part of 1680552,1317658-Page501,1317660-Page502
An Attachment

118-3950 CYLINDER & LINES GP-STICK

1183950 CYLINDER & LINES GP-STICK
R-Boom
Part of 1174140-Page499
An Attachment

118-3952 CYLINDER & LINES GP-STICK

1183952 CYLINDER & LINES GP-STICK
M-Boom
Part of 1174141-Page500
An Attachment

154-0733 CYLINDER & LINES GP-STICK

1540733 CYLINDER & LINES GP-STICK
Part of 1680552,1317658-Page501
An Attachment

154-0740 CYLINDER & LINES GP-STICK

1540740 CYLINDER & LINES GP-STICK
M-Boom
Part of 1317660-Page502
An Attachment

118-3966 CYLINDER & LINES GP-BUCKET

1183966 CYLINDER & LINES GP-BUCKET
B Family
Part of 1174142-Page507, 1174143-Page508
An Attachment

154-0742 CYLINDER & LINES GP-BUCKET

1540742 CYLINDER & LINES GP-BUCKET
B Family
Part of 1317675-Page508, 1317674-Page509
An Attachment

154-0771 CYLINDER & LINES GP-BUCKET

1540771 CYLINDER & LINES GP-BUCKET
C Family
Part of 1370916-Page507
An Attachment

118-4023 CYLINDER & SEAL GP-BOOM

1184023 CYLINDER & SEAL GP-BOOM
Part of 1183948, 1183956-Page227
An Attachment

154-0727 CYLINDER & SEAL GP-BOOM

1540727 CYLINDER & SEAL GP-BOOM
Part of 1540726, 1540725-Page228
An Attachment

118-3955 CYLINDER & SEAL GP-STICK

1183955 CYLINDER & SEAL GP-STICK
R-Boom
Part of 1183950-Page229
An Attachment

118-3953 CYLINDER & SEAL GP-STICK

1183953 CYLINDER & SEAL GP-STICK
M-Boom
Part of 1183952-Page229
An Attachment

154-0734 CYLINDER & SEAL GP-STICK

1540734 CYLINDER & SEAL GP-STICK
Part of 1540733-Page230
An Attachment

154-0741 CYLINDER & SEAL GP-STICK

1540741 CYLINDER & SEAL GP-STICK
Part of 1540740-Page230
An Attachment

171-3379 CYLINDER & SEAL GP-BUCKET

1713379 CYLINDER & SEAL GP-BUCKET
B Family
Part of 1183966-Page231
An Attachment

154-0743 CYLINDER & SEAL GP-BUCKET

1540743 CYLINDER & SEAL GP-BUCKET
B Family
Part of 1540742-Page231
An Attachment

154-0772 CYLINDER & SEAL GP-BUCKET

1540772 CYLINDER & SEAL GP-BUCKET
C Family
Part of 1540771-Page232
An Attachment

DRIVE GP

114-1337 FASTENER GP-SWING & FINAL DR

1141337 FASTENER GP-SWING & FINAL DR
S/N 4NR 1-00175

114-1337 FASTENER GP-SWING & FINAL DR

1141337 FASTENER GP-SWING & FINAL DR
S/N 4NR 00176-Up

087-4771 DRIVE GP-AUXILIARY PUMP

0874771 DRIVE GP-AUXILIARY PUMP
Part of 1211612-Page221
An Attachment

121-1612 DRIVE GP-PUMP

1211612 DRIVE GP-PUMP
0874771-Page219
An Attachment

114-1319 DRIVE GP-SWING

1141319 DRIVE GP-SWING
1141320-Page221.02,1163549-Page314

114-1320 DRIVE GP-SWING

1141320 DRIVE GP-SWING
Part of 1141319-Page221.01

FILTER GP

107-6996 SCREEN GP

1076996 SCREEN GP
Part of 1183998-Page200

184-3930 FILTER GP-HYDRAULIC

1843930 FILTER GP-HYDRAULIC
Basic
Part of 1192391-Page281

126-2075 FILTER GP-HYDRAULIC

1262075 FILTER GP-HYDRAULIC
Basic
Part of 1192391-Page281

107-6995 FILTER GP-HYDRAULIC

1076995 FILTER GP-HYDRAULIC
Part of 1183998-Page200
1733503-Page223.01,1262080-Page223.02,1843997-Page223.03

126-2080 FILTER GP-HYDRAULIC

1262080 FILTER GP-HYDRAULIC
Part of 1076995-Page223

184-3997 HOUSING GP-FILTER

1843997 HOUSING GP-FILTER
Part of 1076995-Page223

LINES GP

6E-4816 PLUG GP

6E4816 PLUG GP
Part of 1077071-Page339

6E-4793 PLUG GP

6E4793 PLUG GP
Part of 6E4816-Page345

6E-2746 PLUG GP

6E2746 PLUG GP
Part of 6E4816-Page345

LINES GP-AUXILIARY

116-9102 LINES GP-AUXILIARY HYDRAULIC

1169102 LINES GP-AUXILIARY HYDRAULIC
R-Boom
An Attachment

121-1872 LINES AR-AUXILIARY HYDRAULIC

1211872 LINES AR-AUXILIARY HYDRAULIC
R2.92B Stick
S/N 4NR 1-(D97.05)
An Attachment

121-1872 LINES AR-AUXILIARY HYDRAULIC

1211872 LINES AR-AUXILIARY HYDRAULIC
R2.92B Stick
S/N 4NR (D97.06-)
An Attachment

121-1876 LINES AR-AUXILIARY HYDRAULIC

1211876 LINES AR-AUXILIARY HYDRAULIC
R2.5B Stick
S/N 4NR 1-(D97.05)
An Attachment

121-1876 LINES AR-AUXILIARY HYDRAULIC

1211876 LINES AR-AUXILIARY HYDRAULIC
R2.5B Stick
S/N 4NR (D97.06-)
An Attachment

116-9103 LINES GP-AUXILIARY HYDRAULIC

1169103 LINES GP-AUXILIARY HYDRAULIC
R2.92B Stick
S/N 4NR 1-(D97.05)
Part of 1211872-Page266
An Attachment

142-6661 LINES GP-AUXILIARY HYDRAULIC

1426661 LINES GP-AUXILIARY HYDRAULIC
R2.92B Stick
S/N 4NR (D97.06-)
Part of 1211872-Page266
1371594-Page269.07
An Attachment

116-9104 LINES GP-AUXILIARY HYDRAULIC

1169104 LINES GP-AUXILIARY HYDRAULIC
R2.5B Stick
S/N 4NR 1-(D97.05)
Part of 1211876-Page267
An Attachment

142-6662 LINES GP-AUXILIARY HYDRAULIC

1426662 LINES GP-AUXILIARY HYDRAULIC
R2.5B Stick
S/N 4NR (D97.06-)
Part of 1211876-Page267
1371594-Page269.07
An Attachment

LINES GP-BOOM

118-3948 CYLINDER & LINES GP-BOOM

1183948 CYLINDER & LINES GP-BOOM
Left Hand
Part of 1174140-Page499,1174141-Page500
An Attachment

118-3956 CYLINDER & LINES GP-BOOM

1183956 CYLINDER & LINES GP-BOOM
Right Hand
Part of 1174140-Page499,1174141-Page500
An Attachment

154-0726 CYLINDER & LINES GP-BOOM

1540726 CYLINDER & LINES GP-BOOM
Left Hand
Part of 1680552,1317658-Page501,1317660-Page502
An Attachment

154-0725 CYLINDER & LINES GP-BOOM

1540725 CYLINDER & LINES GP-BOOM
Right Hand
Part of 1680552,1317658-Page501,1317660-Page502
An Attachment

124-1044 LINES GP-BOOM

1241044 LINES GP-BOOM
R-Boom
Part of 1174140-Page499, 1680552-Page501, 1317659-Page503
An Attachment

124-1045 LINES GP-BOOM

1241045 LINES GP-BOOM
M-Boom
Part of 1174141-Page500, 1317661-Page503
An Attachment

LINES GP-BUCKET

118-3966 CYLINDER & LINES GP-BUCKET

1183966 CYLINDER & LINES GP-BUCKET
B Family
Part of 1174142-Page507, 1174143-Page508
An Attachment

154-0742 CYLINDER & LINES GP-BUCKET

1540742 CYLINDER & LINES GP-BUCKET
B Family
Part of 1317675-Page508, 1317674-Page509
An Attachment

154-0771 CYLINDER & LINES GP-BUCKET

1540771 CYLINDER & LINES GP-BUCKET
C Family
Part of 1370916-Page507
An Attachment

118-3968 LINES GP-BUCKET CYLINDER

1183968 LINES GP-BUCKET CYLINDER
Part of 1183966, 1540742-Page231
An Attachment

123-2085 LINES GP-BUCKET CYLINDER

1232085 LINES GP-BUCKET CYLINDER
Part of 1540771-Page232
An Attachment

LINES GP-CYLINDER

118-3949 LINES GP-BOOM CYLINDER

1183949 LINES GP-BOOM CYLINDER
Left Hand
Part of 1183948-Page227, 1540726-Page228
An Attachment

118-3957 LINES GP-BOOM CYLINDER

1183957 LINES GP-BOOM CYLINDER
Right Hand
Part of 1183956-Page227, 1540725-Page228
An Attachment

115-8919 LINES GP-BOOM CYLINDER

1158919 LINES GP-BOOM CYLINDER
Boom Lowering Control
Part of 1153127-Page362
1184205-Page376
An Attachment

118-3951 LINES GP-STICK CYLINDER

1183951 LINES GP-STICK CYLINDER
R-Boom
Part of 1183950-Page229, 1540733-Page230
An Attachment

118-3954 LINES GP-STICK CYLINDER

1183954 LINES GP-STICK CYLINDER
M-Boom
Part of 1183952-Page229, 1540740-Page230
An Attachment

118-3968 LINES GP-BUCKET CYLINDER

1183968 LINES GP-BUCKET CYLINDER
Part of 1183966, 1540742-Page231
An Attachment

123-2085 LINES GP-BUCKET CYLINDER

1232085 LINES GP-BUCKET CYLINDER
Part of 1540771-Page232
An Attachment

LINES GP-FRONT

115-8895 LINES GP-FRONT

1158895 LINES GP-FRONT - Part 1 of 2
S/N 4NR 1-00175
1183917-Page383,1232419-Page384

115-8895 LINES GP-FRONT

1158895 LINES GP-FRONT - Part 2 of 2
S/N 4NR 1-00175

115-8895 LINES GP-FRONT

1158895 LINES GP-FRONT - Part 1 of 2
S/N 4NR 00176-Up
1557067-Page383.01,1232419-Page384

115-8895 LINES GP-FRONT

1158895 LINES GP-FRONT - Part 2 of 2
S/N 4NR 00176-Up

138-5074 LINES GP-FRONT

1385074 LINES GP-FRONT
Single Function
Part of 1169172,1169161-Page275
6C6746-Page375
An Attachment

138-5069 LINES GP-FRONT

1385069 LINES GP-FRONT - Part 1 of 2
Combined Function
Part of 1169175,1169165-Page276
An Attachment

138-5069 LINES GP-FRONT

1385069 LINES GP-FRONT - Part 2 of 2
Combined Function
Part of 1169175,1169165-Page276
1163600-Page347, 4I6301-Page377.01, 4I0890-Page379
An Attachment

134-7154 LINES GP-FRONT

1347154 LINES GP-FRONT
Double Function
Part of 1354005,1354004-Page277
1163600-Page347
An Attachment

LINES GP-PILOT

119-2390 LINES GP-PILOT

1192390 LINES GP-PILOT
S/N 4NR 1-00188
1232146, 1232147-Page327, 1077058-Page364, 1232148-Page382, 5I8706-Page394

119-2390 LINES GP-PILOT

1192390 LINES GP-PILOT
S/N 4NR 00189-Up
1764985, 1764986-Page327.01, 1077058-Page364, 1232148-Page382, 5I8706-Page394

119-2391 LINES GP-PILOT

1192391 LINES GP-PILOT
S/N 4NR 1-00175
1262075, 1843930-Page222, 0874456-Page224, 1119950-Page380, 1232430-Page397, 1232549-Page398

119-2391 LINES GP-PILOT

1192391 LINES GP-PILOT
S/N 4NR 00176-Up
1262075, 1843930-Page222, 0874456-Page224, 1119950-Page380, 1232430-Page397, 1232549-Page398

119-2776 LINES GP-PILOT

1192776 LINES GP-PILOT
Single Function
Part of 1169172, 1169161-Page275
An Attachment

119-2778 LINES GP-PILOT

1192778 LINES GP-PILOT
Combined Function / 2 Pump Circuit
Part of 1169175,1169165-Page276
4I6363-Page399.01
An Attachment

119-2782 LINES GP-PILOT

1192782 LINES GP-PILOT
Combined Function / 2 Pump Circuit
Part of 1169175,1169165-Page276
1195219-Page389, 4I7836-Page396, 4I6363-Page399.01
An Attachment

134-7129 LINES GP-PILOT

1347129 LINES GP-PILOT
Double Function
Part of 1354005,1354004-Page277
An Attachment

119-2393 LINES GP-PILOT

1192393 LINES GP-PILOT
Third Pedal
Part of 1196835-Page274
1120083-Page399
An Attachment

124-1102 LINES GP-PILOT

1241102 LINES GP-PILOT
2 Way Valve
Part of 1232422-Page363
1185984-Page391
An Attachment

119-2711 LINES GP-PILOT

1192711 LINES GP-PILOT
Boom Lowering Control
Part of 1153127-Page362
An Attachment

LINES GP-PUMP

115-8959 LINES GP-PUMP

1158959 LINES GP-PUMP - Part 1 of 2

115-8959 LINES GP-PUMP

1158959 LINES GP-PUMP - Part 2 of 2

LINES GP-RETURN

115-8887 LINES GP-RETURN & FILTER

1158887 LINES GP-RETURN & FILTER - Part 1 of 2
S/N 4NR 1-00191
1425516-Page379.01

115-8887 LINES GP-RETURN & FILTER

1158887 LINES GP-RETURN & FILTER - Part 2 of 2
S/N 4NR 1-00191

115-8887 LINES GP-RETURN & FILTER

1158887 LINES GP-RETURN & FILTER - Part 1 of 2
S/N 4NR 00192-Up
1843831-Page379.02

115-8887 LINES GP-RETURN & FILTER

1158887 LINES GP-RETURN & FILTER - Part 2 of 2
S/N 4NR 00192-Up

115-8920 LINES GP-RETURN & FILTER

1158920 LINES GP-RETURN & FILTER
Boom Lowering Control
Part of 1153127-Page362
4I5525-Page381,1232433-Page386
An Attachment

LINES GP-STICK

118-3950 CYLINDER & LINES GP-STICK

1183950 CYLINDER & LINES GP-STICK
R-Boom
Part of 1174140-Page499
An Attachment

118-3952 CYLINDER & LINES GP-STICK

1183952 CYLINDER & LINES GP-STICK
M-Boom
Part of 1174141-Page500
An Attachment

154-0733 CYLINDER & LINES GP-STICK

1540733 CYLINDER & LINES GP-STICK
Part of 1680552,1317658-Page501
An Attachment

154-0740 CYLINDER & LINES GP-STICK

1540740 CYLINDER & LINES GP-STICK
M-Boom
Part of 1317660-Page502
An Attachment

118-3951 LINES GP-STICK CYLINDER

1183951 LINES GP-STICK CYLINDER
R-Boom
Part of 1183950-Page229, 1540733-Page230
An Attachment

118-3954 LINES GP-STICK CYLINDER

1183954 LINES GP-STICK CYLINDER
M-Boom
Part of 1183952-Page229, 1540740-Page230
An Attachment

4I-3972 LINES GP-STICK

4I3972 LINES GP-STICK
R3.9B Stick
Part of 1263792-Page504
An Attachment

087-5466 LINES GP-STICK

0875466 LINES GP-STICK
R2.92B Stick
Part of 1263793-Page504, 1680594-Page504.01
An Attachment

4I-3964 LINES GP-STICK

4I3964 LINES GP-STICK
R2.5B Stick
Part of 1263794-Page505
An Attachment

119-2533 LINES GP-STICK

1192533 LINES GP-STICK
R1.9C Stick
Part of 1204971-Page505
An Attachment

119-2534 LINES GP-STICK

1192534 LINES GP-STICK
M2.4C Stick
Part of 1204972-Page506
An Attachment

LINES GP-SWING

115-8894 LINES GP-SWING MOTOR

1158894 LINES GP-SWING MOTOR
1163420-Page312

126-2023 LINES GP-SWING MOTOR

1262023 LINES GP-SWING MOTOR
Part of 1163551-Page365
1077056-Page374
An Attachment

LINES GP-TRAVEL MOTOR

119-2423 LINES GP-TRACK MOTOR

1192423 LINES GP-TRACK MOTOR
1597841-Page324

MOTOR GP

117-5490 GUARD GP-TRACK MOTOR

1175490 GUARD GP-TRACK MOTOR

127-1426 GUARD GP-TRACK MOTOR

1271426 GUARD GP-TRACK MOTOR
Heavy Duty
Part of 1204996-Page165
An Attachment

116-3549 MOTOR & MTG GP-SWING

1163549 MOTOR & MTG GP-SWING
S/N 4NR 1-00190
Part of 1141319-Page221.01
1163550-Page315

116-3549 MOTOR & MTG GP-SWING

1163549 MOTOR & MTG GP-SWING
S/N 4NR 00191-Up
Part of 1141319-Page221.01
1765104-Page315.02

116-3550 MOTOR GP-SWING

1163550 MOTOR GP-SWING
S/N 4NR 1-00174
Part of 1163549-Page314
1262028-Page316, 7I7968-Page318, 1373637-Page366

116-3550 MOTOR GP-SWING

1163550 MOTOR GP-SWING
S/N 4NR 00175-00190
Part of 1163549-Page314
1262028-Page316, 1540401-Page318.01, 1373637-Page366

176-5104 MOTOR GP-SWING

1765104 MOTOR GP-SWING
S/N 4NR 00191-Up
Part of 1163549-Page314.01
1765107-Page317.01, 1765105-Page318.02, 1373637-Page366

126-2028 MOTOR GP-SWING

1262028 MOTOR GP-SWING - Part 1 of 2
S/N 4NR 1-00190
Part of 1163550-Page315

126-2028 MOTOR GP-SWING

1262028 MOTOR GP-SWING - Part 2 of 2
S/N 4NR 1-00190
Part of 1163550-Page315

176-5107 MOTOR GP-SWING

1765107 MOTOR GP-SWING - Part 1 of 2
S/N 4NR 00191-Up
Part of 1765104-Page315.02

176-5107 MOTOR GP-SWING

1765107 MOTOR GP-SWING - Part 2 of 2
S/N 4NR 00191-Up
Part of 1765104-Page315.02

107-7028 MOTOR & MTG GP-TRAVEL

1077028 MOTOR & MTG GP-TRAVEL
Part of 1141483-Page143
1077029-Page320, 1373718-Page322

107-7029 MOTOR GP-TRAVEL

1077029 MOTOR GP-TRAVEL
Part of 1077028-Page319

137-3718 VALVE GP-TRACTION CONTROL

1373718 VALVE GP-TRACTION CONTROL
Part of 1077028-Page319
1298030-Page323

MOUNTING GP

107-7037 MOUNTING GP-VALVE

1077037 MOUNTING GP-VALVE

123-2422 VALVE AR-2 WAY

1232422 VALVE AR-2 WAY
An Attachment

PUMP GP

109-9501 PUMP & MOUNTING GP

1099501 PUMP & MOUNTING GP
1241669-Page207,1232233-Page208

124-1669 COUPLING GP-PUMP

1241669 COUPLING GP-PUMP
Part of 1099501-Page206

123-2233 PUMP GP-DOUBLE PISTON

1232233 PUMP GP-DOUBLE PISTON
Link
Part of 1099501-Page206
1262073-Page209,1262138-Page215

126-2073 PUMP GP-HYDRAULIC

1262073 PUMP GP-HYDRAULIC
Part of 1232233-Page208
1336911-Page210,0874780-Page212,0874781-Page213

133-6911 PUMP GP-GEAR

1336911 PUMP GP-GEAR
1 Section
Part of 1262073-Page209

126-2083 PUMP GP-REAR

1262083 PUMP GP-GEAR
1 Section
Part of 1336911-Page210

133-6896 PUMP GP-GEAR

1336896 PUMP GP-GEAR
1 Section
Part of 1336911-Page210

087-4780 ROTATING GP-PUMP

0874780 ROTATING GP-PUMP
Basic
Part of 1262073-Page209
0874782-Page214

087-4781 ROTATING GP-PUMP

0874781 ROTATING GP-PUMP
Basic
Part of 1262073-Page209
0874782-Page214

087-4782 ROTATING GP-PUMP

0874782 ROTATING GP-PUMP
Basic
Part of 0874780-Page212,0874781-Page213
An Attachment

126-2138 HEAD GP-PUMP CONTROL

1262138 HEAD GP-PUMP CONTROL
Part of 1232233-Page208
1262139-Page216,1232011-Page218

126-2139 HEAD GP-PUMP CONTROL

1262139 HEAD GP-PUMP CONTROL
Part of 1262138-Page215
1262136-Page217

126-2136 HEAD GP-PUMP CONTROL

1262136 HEAD GP-PUMP CONTROL
Part of 1262139-Page216

123-2011 COVER GP-PUMP CONTROL

1232011 COVER GP-PUMP CONTROL
Part of 1262138-Page215

SCREEN GP

107-6996 SCREEN GP

1076996 SCREEN GP
Part of 1183998-Page200

SWIVEL GP

134-8850 GUARD GP-SWIVEL

1348850 GUARD GP-SWIVEL
Heavy Duty
Part of 1204996-Page165
An Attachment

159-7841 SWIVEL GP

1597841 SWIVEL GP
Part of 1192423-Page271
4I6263-Page326

4I-6263 ROTOR GP-SWIVEL

4I6263 ROTOR GP-SWIVEL
Part of 1597841-Page324

TANK GP

118-3984 TANK & MTG GP-HYDRAULIC

1183984 TANK & MTG GP-HYDRAULIC
1183998-Page200

118-3998 TANK & FILTER GP-HYDRAULIC

1183998 TANK & FILTER GP-HYDRAULIC - Part 1 of 2
Capacity 200 Liters
Part of 1183984-Page198
1076996-Page204,1076995-Page223

118-3998 TANK & FILTER GP-HYDRAULIC

1183998 TANK & FILTER GP-HYDRAULIC - Part 2 of 2
Capacity 200 Liters
Part of 1183984-Page198

VALVE GP

138-4244 VALVE AS

1384244 VALVE AS
S/N 4NR (D97.06-)
Part of 1371594-Page269.07
An Attachment

123-2422 VALVE AR-2 WAY

1232422 VALVE AR-2 WAY
An Attachment

116-3551 VALVE AR-SWING

1163551 VALVE AR-SWING
An Attachment

6C-6746 VALVE GP

6C6746 VALVE GP
Part of 1385074-Page299
6E1547-Page378
An Attachment

VALVE GP-CHECK

7I-8136 VALVE GP-CHECK

7I8136 VALVE GP-CHECK
Part of 1077074-Page353,1540530-Page355.02

4I-0890 VALVE GP-CHECK

4I0890 VALVE GP-CHECK
Part of 1385069-Page303
An Attachment

142-5516 VALVE GP-CHECK

1425516 VALVE GP-CHECK
S/N 4NR 1-00191
Part of 1158887-Page306

184-3831 VALVE GP-CHECK

1843831 VALVE GP-CHECK
S/N 4NR 00192-Up
Part of 1158887-Page307.01

4I-5525 VALVE GP-CHECK

4I5525 VALVE GP-CHECK
Part of 1158920-Page309
An Attachment

VALVE GP-CHECK & RELIEF

115-3127 VALVE AR-CHECK & RELIEF

1153127 VALVE AR-CHECK & RELIEF
Boom Lowering Control
An Attachment

118-4205 VALVE GP-CHECK & RELIEF

1184205 VALVE GP-CHECK & RELIEF
Part of 1158919-Page247
1020871-Page381.01
An Attachment

4I-6301 VALVE GP-CHECK & RELIEF

4I6301 VALVE GP-CHECK & RELIEF
Part of 1385069-Page303
6E5234-Page377.02
An Attachment

6E-5234 VALVE GP-CHECK & RELIEF

4I6301 VALVE GP-CHECK & RELIEF
Pilot Operated
Part of 4I6301-Page377.01
An Attachment

VALVE GP-CONTROL

138-4244 VALVE AS

1384244 VALVE AS
S/N 4NR (D97.06-)
Part of 1371594-Page269.07
An Attachment

116-9172 CONTROL AR-AUXILIARY

1169172 CONTROL AR-AUXILIARY
Single Function, Without Third Pedal
An Attachment

116-9161 CONTROL AR-AUXILIARY

1169161 CONTROL AR-AUXILIARY
Single Function, With Third Pedal
An Attachment

116-9175 CONTROL AR-AUXILIARY

1169175 CONTROL AR-AUXILIARY
Combined Function, Without Third Pedal
An Attachment

116-9165 CONTROL AR-AUXILIARY

1169165 CONTROL AR-AUXILIARY
Combined Function, With Third Pedal
An Attachment

135-4005 CONTROL AR-AUXILIARY

1354005 CONTROL AR-AUXILIARY
Double Function, Without Third Pedal
An Attachment

135-4004 CONTROL AR-AUXILIARY

1354004 CONTROL AR-AUXILIARY
Double Function, With Third Pedal
An Attachment

107-7070 VALVE GP-MAIN CONTROL

1077070 VALVE GP-MAIN CONTROL
S/N 4NR 1-00175
6E4281-Page337, 1077071-Page338, 1077074-Page352

154-0529 VALVE GP-MAIN CONTROL

1540529 VALVE GP-MAIN CONTROL
S/N 4NR 00176-Up
6E4281-Page337, 1077071-Page338, 1540530-Page355.01

107-7071 VALVE GP-CONTROL

1077071 VALVE GP-CONTROL - Part 1 of 2
S/N 4NR 1-00161
Part of 1077070-Page336
1077072-Page342, 6E4816-Page345

107-7071 VALVE GP-CONTROL

1077071 VALVE GP-CONTROL - Part 2 of 2
S/N 4NR 1-00161
Part of 1077070-Page336
1163600-Page347, 1095152-Page348

107-7071 VALVE GP-CONTROL

1077071 VALVE GP-CONTROL - Part 1 of 2
S/N 4NR 00162-Up
Part of 1077070-Page336
1077072-Page342, 6E4816-Page345

107-7071 VALVE GP-CONTROL

1077071 VALVE GP-CONTROL - Part 2 of 2
S/N 4NR 00162-Up
Part of 1077070-Page336
1163600-Page347, 1095152-Page348

107-7072 VALVE GP-CONTROL

1077072 VALVE GP-CONTROL
Part of 1077071-Page339

116-3470 VALVE GP-CONTROL

1163470 VALVE GP-CONTROL
S/N 4NR 1-00167
Part of 1077072-Page342

116-3470 VALVE GP-CONTROL

1163470 VALVE GP-CONTROL
S/N 4NR 00168-Up
Part of 1077072-Page342

107-7073 VALVE GP-CONTROL

1077073 VALVE GP-CONTROL
S/N 4NR 1-00167
Part of 1077072-Page342

107-7073 VALVE GP-CONTROL

1077073 VALVE GP-CONTROL
S/N 4NR 00168-Up
Part of 1077072-Page342

6E-4816 PLUG GP

6E4816 PLUG GP
Part of 1077071-Page339

6E-4793 PLUG GP

6E4793 PLUG GP
Part of 6E4816-Page345

6E-2746 PLUG GP

6E2746 PLUG GP
Part of 6E4816-Page345

107-7074 VALVE GP-CONTROL

1077074 VALVE GP-CONTROL - Part 1 of 2
S/N 4NR 1-00175
Part of 1077070-Page336
1163600-Page347,1092667-Page356, 7I8136-Page358,1077075-Page359

107-7074 VALVE GP-CONTROL

1077074 VALVE GP-CONTROL - Part 2 of 2
S/N 4NR 1-00175
Part of 1077070-Page336
1597732-Page357

154-0530 VALVE GP CONTROL

1540530 VALVE GP-CONTROL - Part 1 of 2
S/N 4NR 00176-00191
Part of 1540529-Page336.01
1163600-Page347,1092667-Page356, 7I8136-Page358,1540531-Page359

154-0530 VALVE GP CONTROL

1540530 VALVE GP-CONTROL - Part 2 of 2
S/N 4NR 00176-00191
Part of 1540529-Page336.01
1597732-Page357

154-0530 VALVE GP CONTROL

1540530 VALVE GP-CONTROL - Part 1 of 2
S/N 4NR 00192-Up
Part of 1540529-Page336.01
1163600-Page347,1092667-Page356, 7I8136-Page358,1540531-Page359

154-0530 VALVE GP CONTROL

1540530 VALVE GP-CONTROL - Part 2 of 2
S/N 4NR 00192-Up
Part of 1540529-Page336.01
1163600-Page347, 1092667-Page356, 7I8136-Page358, 1540531-Page359

107-7075 VALVE GP-CONTROL

1077075 VALVE GP-CONTROL
S/N 4NR 1-00175
Part of 1077074-Page353

154-0531 VALVE GP-CONTROL

1540531 VALVE GP-CONTROL
S/N 4NR 00176-Up
Part of 1540530-Page355.02

107-7076 VALVE GP-CONTROL

1077076 VALVE GP-CONTROL
S/N 4NR 1-00167
Part of 1077075-Page359

107-7076 VALVE GP-CONTROL

1077076 VALVE GP-CONTROL
S/N 4NR 00168-00175
Part of 1077075-Page359

154-0532 VALVE GP-CONTROL

1540532 VALVE GP-CONTROL
S/N 4NR 00176-Up
Part of 1540531-Page359

116-3471 VALVE GP-CONTROL

1163471 VALVE GP-CONTROL
S/N 4NR 1-00167
Part of 1077075-Page359

116-3471 VALVE GP-CONTROL

1163471 VALVE GP-CONTROL
S/N 4NR 00168-00175
Part of 1077075-Page359

154-0533 VALVE GP-CONTROL

1540533 VALVE GP-CONTROL
S/N 4NR 00176-Up
Part of 1540531-Page359

6C-6746 VALVE GP

6C6746 VALVE GP
Part of 1385074-Page299
6E1547-Page378
An Attachment

VALVE GP-COUNTERBALANCE

137-3718 VALVE GP-TRACTION CONTROL

1373718 VALVE GP-TRACTION CONTROL
Part of 1077028-Page319
1298030-Page323

VALVE GP-CROSSOVER RELIEF

116-3420 VALVE GP-CUSHION CROSSOVER RLF

1163420 VALVE GP-CUSHION CROSSOVER RLF
Part of 1158894-Page310

137-3718 VALVE GP-TRACTION CONTROL

1373718 VALVE GP-TRACTION CONTROL
Part of 1077028-Page319
1298030-Page323

VALVE GP-FLOW CONTROL

5I-8706 VALVE GP-FLOW CONTROL

5I8706 VALVE GP-FLOW CONTROL
Part of 1192390-Page279

4I-7836 VALVE GP-FLOW CONTROL

4I7836 VALVE GP-FLOW CONTROL
Part of 1192782-Page285
An Attachment

VALVE GP-MANIFOLD & REDUCING

111-9950 VALVE GP-MANIFOLD & REDUCING

1119950 VALVE GP-MANIFOLD & REDUCING
Part of 1192391-Page281
1211491-Page367,1211490-Page369,1119916-Page371

VALVE GP-MANUAL

137-1594 VALVE AS-BALL

1371594 VALVE AS-BALL
S/N 4NR (D97.06-)
Part of 1426661-Page269.02, 1426662-Page269.06
An Attachment

138-4243 VALVE AS-BALL

1384243 VALVE AS-BALL
S/N 4NR (D97.06-)
Part of 1371594-Page269.07
An Attachment

4I-6363 VALVE AS-BALL

4I6363 VALVE AS-BALL
3 Way
Part of 1192778-Page284,1192782-Page285
An Attachment

VALVE GP-PILOT

123-2146 VALVE GP-PILOT

1232146 VALVE GP-PILOT
Right Unit
S/N 4NR 1-00188
Part of 1192390-Page279
1337900-Page328, 1315914-Page388

123-2147 VALVE GP-PILOT

1232147 VALVE GP-PILOT
Left Unit
S/N 4NR 1-00188
Part of 1192390-Page279
1337899-Page328, 1315914-Page388

176-4985 VALVE GP-PILOT

1764985 VALVE GP-PILOT
Left Unit
S/N 4NR 00189-Up
Part of 1192390-Page279.02
1337900-Page328, 1764984-Page388.01, 1843899-Page388.02, 1843900-Page388.03

176-4986 VALVE GP-PILOT

1764986 VALVE GP-PILOT
Left Unit
S/N 4NR 00189-Up
Part of 1192390-Page279.02
1337899-Page328, 1764984-Page388.01, 1843988-Page388.02, 1843900-Page388.03

123-2148 VALVE GP-PILOT

1232148 VALVE GP-PILOT
Part of 1192390-Page279

118-3917 VALVE GP-PILOT

1183917 VALVE GP-PILOT
S/N 4NR 1-00175
Part of 1158895-Page293
1163600-Page347

155-7067 VALVE GP-PILOT

1557067 VALVE GP-PILOT
S/N 4NR 00176-Up
Part of 1158895-Page297
1163600-Page347

123-2419 VALVE GP-PILOT

1232419 VALVE GP-PILOT
Part of 1158895,1158895-Page293
1163600-Page347

131-5914 VALVE GP-PILOT

1315914 VALVE GP-PILOT
S/N 4NR 1-00188
Part of 1232146,1232147-Page327

176-4984 VALVE GP-PILOT

1764984 VALVE GP-PILOT
S/N 4NR 00189-Up
Part of 1764985,1764986-Page327.01

184-3899 VALVE GP-PILOT

1764984 VALVE GP-PILOT
S/N 4NR 00189-Up
Part of 1764985,1764986-Page327.01

184-3900 VALVE GP-PILOT

1764984 VALVE GP-PILOT
S/N 4NR 00189-Up
Part of 1764985,1764986-Page327.01

119-5219 VALVE GP-PILOT

1195219 VALVE GP-PILOT
Part of 1192782-Page285
An Attachment

118-5984 VALVE GP-PILOT

1185984 VALVE GP-PILOT
2 Way Valve
Part of 1241102-Page288
An Attachment

123-2604 VALVE GP-PILOT

1232604 VALVE GP-PILOT
Part of 1116428-Page331,1352272-Page332,1096031-Page333
An Attachment

VALVE GP-PILOT RELIEF

116-3601 VALVE GP-PILOT RELIEF

1163601 VALVE GP-PILOT RELIEF
Direct Operated
Part of 1163600-Page347

6E-1547 VALVE GP-PILOT RELIEF

6E1547 VALVE GP-PILOT RELIEF
Part of 6C6746-Page375
An Attachment

102-0871 VALVE GP-PILOT RELIEF

1020871 VALVE GP-PILOT RELIEF
Part of 1184205-Page377

VALVE GP-PRESS REDUCING SOL

111-9916 VALVE GP-PRESS REDUCING SOL

1119916 VALVE GP-PRESS REDUCING SOL
Part of 1119950-Page380

VALVE GP-PRESSURE CONTROL

6E-4281 VALVE GP-PRESSURE CONTROL

6E4281 VALVE GP-PRESSURE CONTROL
Part of 1077070-Page336

VALVE GP-RELIEF

7I-7968 VALVE GP-RELIEF

7I7968 VALVE GP-RELIEF
Direct Operated
S/N 4NR 1-00174
Part of 1163550-Page315

154-0401 VALVE GP-RELIEF

1540401 VALVE GP-RELIEF
Direct Operated
S/N 4NR 00175-00190
Part of 1163550-Page315.01

176-5105 VALVE GP-RELIEF

1765105 VALVE GP-RELIEF
Direct Operated
S/N 4NR 00191-Up
Part of 1765104-Page315.02

129-8030 VALVE GP-RELIEF

1298030 VALVE GP-RELIEF
Part of 1373718-Page322

116-3600 VALVE GP-RELIEF

1163600 VALVE GP-RELIEF
Direct Operated
Part of 1385069-Page303, 1347154-Page305, 1077071-Page341, 1077074-Page353, 1540530-Page355.02, 1183917-Page383,
1557067-Page383.02, 1232419-Page385, 1232433-Page387

109-5152 VALVE GP-RELIEF

1095152 VALVE GP-RELIEF
Part of 1077071-Page341

118-5410 VALVE GP-RELIEF

1185410 VALVE GP-RELIEF
Direct Operated
Part of 1163600-Page347

109-2667 VALVE GP-RELIEF

1092667 VALVE GP-RELIEF
Direct Operated
Part of 1077074-Page353,1540530-Page355.02

159-7732 VALVE GP-RELIEF

1597732 VALVE GP-RELIEF
Direct Operated
S/N 4NR 1-00191
Part of 1077074-Page355,1540530-Page355.04

171-0030 VALVE GP-RELIEF

1710030 VALVE GP-RELIEF
Direct Operated
S/N 4NR 00192-Up
Part of 1540530-Page355.08

123-2433 VALVE GP-RELIEF

1232433 VALVE GP-RELIEF
Part of 1158920-Page309
1163600-Page347

VALVE GP-SELECTOR

107-7058 VALVE GP-SELECTOR

1077058 VALVE GP-SELECTOR
Part of 1192390-Page279
1211491-Page367

VALVE GP-SEQUENCE

123-2422 VALVE AR-2 WAY

1232422 VALVE AR-2 WAY
An Attachment

VALVE GP-SHUTTLE

123-2430 VALVE GP-SHUTTLE

1232430 VALVE GP-SHUTTLE
Part of 1192391-Page281

123-2549 VALVE GP-SHUTTLE

1232549 VALVE GP-SHUTTLE
Part of 1192391-Page281

112-0083 VALVE GP-SHUTTLE

1120083 VALVE GP-SHUTTLE
Part of 1192393-Page287
An Attachment

VALVE GP-SOLENOID

137-3637 VALVE GP-SOLENOID

1373637 VALVE GP-SOLENOID
Part of 1163550-Page315, 1765104-Page315.02
1211491-Page367

121-1491 VALVE GP-SOLENOID

1211491 VALVE GP-SOLENOID
Part of 1077058-Page364, 1373637-Page366, 1119950-Page380

121-1490 VALVE GP-SOLENOID

1211490 VALVE GP-SOLENOID
Part of 1119950-Page380

116-3526 VALVE GP-SOLENOID

1163526 VALVE GP-SOLENOID
Part of 1077056-Page374
An Attachment

131-5744 VALVE GP-SOLENOID

1315744 VALVE GP-SOLENOID
Part of 1211490-Page369

131-5759 VALVE GP-SOLENOID

1315759 VALVE GP-SOLENOID
Part of 1211490-Page369

107-7056 VALVE GP-SOLENOID

1077056 VALVE GP-SOLENOID
Part of 1262023-Page311
1163526-Page370
An Attachment

Information:

(For parts list, see above)

HYDRAULIC SYSTEM

ACCUMULATOR GP

Special Instruction

Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}

Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}
Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Specifications

Accumulator (Pilot)
320B Excavator Machine System Specifications

Tool Operating Manual

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Systems Operation

Accumulator (Pilot)
320B Excavator Hydraulic System

Disassembly and Assembly

Hydraulic Accumulator
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Procedure for Testing and Charging the Pilot System Accumulators {5077}
2003/05/05

The Accumulator Discharging and Charging Procedures are Updated {5077}
The Accumulator Discharging and Charging Procedures are Updated {5077}

BRAKE GP

Quieter Solenoid Valve For Swing Parking Brake {5479,5483}
1997/12/01

CONTROL GP-RIDE

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

COOLER GP

Disassembly and Assembly

Oil Cooler
SUPPLEMENT FOR 320 & 320 L EXCAVATORS (3066 ENGINE)

Hydraulic Oil Cooler
3066 ENGINE SUPPLEMENT FOR 320B EXCAVATOR FAMILY

Service Magazine

Caterpillar Introduces New Long Life Heavy Duty Engine Coolant{1395}
1994/09/19

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

COUNTERWEIGHT GP-HYDRAULIC

Disassembly and Assembly

Counterweight
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

COUPLING GP

Main Hydraulic Pump & Pump Drive Coupling
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

CYLINDER GP

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}

Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Technical Information Bulletin

The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}

Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}

Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

Specifications

Boom Cylinder
320B Excavator Machine System Specifications

Stick Cylinder
320B Excavator Machine System Specifications

Bucket Cylinder
320B Excavator Machine System Specifications

Tool Operating Manual

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Systems Operation

Boom Cylinder
320B Excavator Hydraulic System

Stick Cylinder
320B Excavator Hydraulic System

Bucket Cylinder
320B Excavator Hydraulic System

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}

Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}

Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}

Contamination Control Guidelines

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Applied Failure Analysis

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Information Release Memo

PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS
PRODUCT LINE ADDITIONS: REMANUFACTURED CYLINDERS AND RODS

Testing and Adjusting

Cylinder Drift - Check - Empty Bucket
320B Excavator Hydraulic System

Bench Test Procedures

Disassembly and Assembly

Bucket Cylinder
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Stick Cylinder
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Boom Cylinders
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Bearings In The Boom, Stick, And Boom Cylinder Assemblies Improve Linkage Pin Service Life{6501,6502}
1997/10/20

New Seal Kits Prevent Hydraulic Cylinder Oil Leaks {5456,5457,5458}
1998/11/23

New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2002/07/01

New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2001/07/30

New High Temperature Buffer Seals Reduce Oil Leakage From Hydraulic Cylinders {7562}
2002/05/06

Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
2001/07/30

Procedure for the Removal of Air From Hydraulic Cylinders {7562}
2003/01/06

Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16

A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

New U-Cup Seal are Available with a Narrow Width to Service Cylinders in the Field {4303, 5101, 5102, 5104, 5456, 5457, 5458, 7562}
2010/12/24

DRIVE GP

Operation and Maintenance Manual

Swing Drive Oil - Change
320B, 320B L and 320B N Excavators

Swing Drive Oil Level - Check
320B, 320B L and 320B N Excavators

Swing Drive Oil Sample - Obtain
320B, 320B L and 320B N Excavators

Service Letter-NACD

The Swing Drive Planetary Shafts May Have Grinding Cracks And Need To Be Replaced On Certain 320B Excavators
The Swing Drive Planetary Shafts May Have Grinding Cracks And Need To Be Replaced On Certain 320B Excavators

Service Letter-Australia

Service Letter-CFEL

Service Letter-Americas

Specifications

Swing Drive
320B Excavator Machine System Specifications

Service Letter-China

Service Letter-Asia

Systems Operation

Swing Drive
320B Excavator Hydraulic System

Service Letter-APD

Disassembly and Assembly

Swing Drive
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Main Hydraulic Pump & Pump Drive Coupling
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

The Specifications Are Identified For Auxiliary Hydraulic Pumps {3108, 5073}
2008/06/16

Procedure for the Measurement of the Movement of the Swing Bearing {5459, 7063}
2007/11/05

Proper Operation of Swing Function Will Prevent Damage to the Swing Motor and the Bearings in the Swing Drive {5459, 7063, 79PA}
2006/03/27

An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators {4050, 4164, 5459, 7063}
An Improved Bolt Tightening Procedure for the Critical Joints Is Now Used on All Excavators {4050, 4164, 5459, 7063}

FILTER GP

Operation and Maintenance Manual

Oil Filter - Inspect
320B, 320B L and 320B N Excavators

Hydraulic System Oil Filter - Replace
320B, 320B L and 320B N Excavators

Hydraulic System Oil Filter (Return) - Replace
320B, 320B L and 320B N Excavators

Special Instruction

Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}

Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}

Tool Operating Manual

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Systems Operation

Hydraulic Filter (Pilot)
320B Excavator Hydraulic System

Hydraulic Tank and Filter
320B Excavator Hydraulic System

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Disassembly and Assembly

Hydraulic Oil Filter
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

The Hydraulic Pilot Oil Filter Is Improved {5059, 5092, 5479}
2003/07/14

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

A Replacement Filter Is Incorrectly Identified {5050, 5068}
2002/12/23

Optional High Efficiency Filters Are Now Available {3004, 5068}
2007/12/17

New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}

KITS

Technical Information Bulletin

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

LINES GP

Special Instruction

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}

O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Tool Operating Manual

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}

243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}
243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}

Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}
Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Disassembly and Assembly

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

New Protective Caps For Hose Clamps Are Now Available {5057}
2001/11/19

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Information Release Memo, PELJ0481 , "Product Line Expansion for Caterpillar Low and Medium Pressure Hose and Coupling Products" {5057}
2005/02/21

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26

LINES GP-AUXILIARY

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

LINES GP-BOOM

Specifications

Lines (Boom)
320B Excavator Machine System Specifications

LINES GP-BUCKET

Reuse And Salvage Guidelines

Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}
Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}

LINES GP-COUPLER

Service Magazine

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

The Center-Lock Hydraulic Pin Grabber Quick Couplers Have Specific Hydraulic Requirements {6129}
2010/04/15

LINES GP-CYLINDER

Reuse And Salvage Guidelines

Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}
Thermal Spray Procedures for Linkage Pins {0679, 5457, 6052, 6108, 6129, 6501, 6502}

LINES GP-FRONT

Specifications

Lines (Front) - Double Action
320B Excavator Machine System Specifications

Lines (Front)
320B Excavator Machine System Specifications

LINES GP-HYDRAULIC

Special Instruction

Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}
Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}

Technical Information Bulletin

Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}
Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Specifications

Lines (Travel Motor)
320B Excavator Machine System Specifications

Lines (Return and Filter) - Lowering Control
320B Excavator Machine System Specifications

Lines (Boom)
320B Excavator Machine System Specifications

Lines (Front) - Double Action
320B Excavator Machine System Specifications

Lines (Stick)
320B Excavator Machine System Specifications

Lines (Pilot) - Front
320B Excavator Machine System Specifications

Lines (Pilot) - Single Action
320B Excavator Machine System Specifications

Lines (Pilot) - Common Piping and Two Pump Circuit
320B Excavator Machine System Specifications

Lines (Pilot) - Double Action
320B Excavator Machine System Specifications

Lines (Pilot) - Third Pedal
320B Excavator Machine System Specifications

Lines (Pilot) - Boom Lowering Valve
320B Excavator Machine System Specifications

Lines (Pilot) - Common Piping and Two Pump Circuit
320B Excavator Machine System Specifications

Lines (Front)
320B Excavator Machine System Specifications

Lines (Swing Motor)
320B Excavator Machine System Specifications

Lines (Pump)
320B Excavator Machine System Specifications

Lines (Pilot) - Front
320B Excavator Machine System Specifications

Lines (Pilot) - Rear
320B Excavator Machine System Specifications

Lines (Return and Filter)
320B Excavator Machine System Specifications

Lines (Front)
320B Excavator Machine System Specifications

Tool Operating Manual

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Disassembly and Assembly

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

New Hose Assemblies With an Improved Service Life Are Available {5057}
2003/04/21

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26

Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}

LINES GP-PILOT

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Specifications

Lines (Pilot) - Front
320B Excavator Machine System Specifications

Lines (Pilot) - Single Action
320B Excavator Machine System Specifications

Lines (Pilot) - Common Piping and Two Pump Circuit
320B Excavator Machine System Specifications

Lines (Pilot) - Double Action
320B Excavator Machine System Specifications

Lines (Pilot) - Third Pedal
320B Excavator Machine System Specifications

Lines (Pilot) - Boom Lowering Valve
320B Excavator Machine System Specifications

Lines (Pilot) - Common Piping and Two Pump Circuit
320B Excavator Machine System Specifications

Lines (Pilot) - Front
320B Excavator Machine System Specifications

Lines (Pilot) - Rear
320B Excavator Machine System Specifications

Service Magazine

A New Pressure Switch Improves the Reliability of the Automatic Engine Speed Control {5057, 5059}
2008/07/14

LINES GP-PUMP

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Specifications

Lines (Pump)
320B Excavator Machine System Specifications

Service Magazine

New Gauge Block Set Available For Rebuilding Of Hydraulic Pumps and Motors{0733,0738,0763,4351,5070,5058}
1997/07/28

LINES GP-RETURN

Specifications

Lines (Return and Filter) - Lowering Control
320B Excavator Machine System Specifications

Lines (Return and Filter)
320B Excavator Machine System Specifications

Service Magazine

The Hydraulic Hoses in the Return Lines Group Are Improved {5057}
2004/04/12

LINES GP-STICK

Specifications

Lines (Stick)
320B Excavator Machine System Specifications

Service Magazine

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

LINES GP-SWING

Specifications

Lines (Swing Motor)
320B Excavator Machine System Specifications

LINES GP-TRAVEL MOTOR

Lines (Travel Motor)
320B Excavator Machine System Specifications

MISCELLANEOUS INFORMATION

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

MOTOR GP

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Technical Information Bulletin

Increased Case Drain Pressure May Cause Swing Motor Failure (Reoccurence)
Increased Case Drain Pressure May Cause Swing Motor Failure (Reoccurence)

Specifications

Travel Motor
320B Excavator Machine System Specifications

Travel Motor Guard
320B Excavator Machine System Specifications

Swing Motor
320B Excavator Machine System Specifications

Travel Counterbalance Valve
320B Excavator Machine System Specifications

Travel Motor
320B Excavator Machine System Specifications

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Systems Operation

Swing Motor
320B Excavator Hydraulic System

Travel Motor
320B Excavator Hydraulic System

Reuse And Salvage Guidelines

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Testing and Adjusting

Relief Valve (Crossover) - Test and Adjust
320B Excavator Hydraulic System

Swing Motor - Test - Measurement of Case Drain Oil
320B Excavator Hydraulic System

Travel Motor - Test - Measurement of Case Drain Oil
320B Excavator Hydraulic System

Travel on Level Ground - Test
320B Excavator Hydraulic System

Travel on Level Ground - Test - Optional Test
320B Excavator Hydraulic System

Machine Drift on a Slope - Check
320B Excavator Hydraulic System

Swing Speed and Overswing on Level Ground - Check
320B Excavator Hydraulic System

Swing Speed and Swing Drift on a Slope - Check
320B Excavator Hydraulic System

Bench Test Procedures

Disassembly and Assembly

Travel Motors
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Swing Motor
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Gauge Block Set Available For Rebuilding Of Hydraulic Pumps and Motors{0733,0738,0763,4351,5070,5058}
1997/07/28

Travel Motor Improvements Enhance Dependability {4351,5058}
1999/03/08

Straight Travel (tracking) With the Travel Speed Control in the High Speed Position Is Improved {5058}
2001/02/26

An Improved Swing Relief Valve Eliminates Abnormal Noise {5058}
2001/04/23

New Piston Motors Increase the Reliability of the Travel Motor {5058}
2009/05/04

Improved Travel Motors Have an Increased Service Life {4351, 5058}
2003/01/20

Remanufactured Improved Travel Motors With Increased Service Life Are Now Available {5058}
2003/11/24

New Remanufactured Travel Motors are now Available {5058}
2004/02/23

Procedure for the Measurement of the Movement of the Swing Bearing {5459, 7063}
2004/10/18

Proper Operation of Swing Function Will Prevent Damage to the Swing Motor and the Bearings in the Swing Drive {5459, 7063, 79PA}
2006/03/27

MOUNTING GP

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

PUMP GP

Special Instruction

Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Specifications

Main Hydraulic Pump
320B Excavator Machine System Specifications

Tool Operating Manual

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Systems Operation

Pump Control (Main Hydraulic)
320B Excavator Hydraulic System

Two Pump Operation
320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems

Gear Pump (Pilot)
320B Excavator Hydraulic System

Pump Hydraulic System
320B Excavator Hydraulic System

Main Hydraulic Pump
320B Excavator Hydraulic System

Reuse And Salvage Guidelines

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Testing and Adjusting

Pump Control (Negative Flow) - Adjust
320B Excavator Hydraulic System

Pump Control (Output Flow) - Adjust
320B Excavator Hydraulic System

Gear Pump (Pilot) - Test
320B Excavator Hydraulic System

Pump Control (Negative Flow) - Test
320B Excavator Hydraulic System

Piston Pump (Main) - Test - Constant Horsepower Flow Control
320B Excavator Hydraulic System

Swing Speed and Overswing on Level Ground - Check
320B Excavator Hydraulic System

Swing Speed and Swing Drift on a Slope - Check
320B Excavator Hydraulic System

Cylinder Operating Speed
320B Excavator Hydraulic System

Bench Test Procedures

Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Disassembly and Assembly

Main Hydraulic Pump
SUPPLEMENT FOR 320 & 320 L EXCAVATORS (3066 ENGINE)

Engine & Main Hydraulic Pump
3066 ENGINE SUPPLEMENT FOR 320B EXCAVATOR FAMILY

Main Hydraulic Pump & Pump Drive Coupling
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Main Hydraulic Pump
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Gauge Block Set Available For Rebuilding Of Hydraulic Pumps and Motors{0733,0738,0763,4351,5070,5058}
1997/07/28

The Main Hydraulic Pump Regulator Is Improved {3222}
2000/11/06

The Specifications Are Identified For Auxiliary Hydraulic Pumps {3108, 5073}
2006/02/06

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

PUMP GP-METERING

New Metering Pump Groups For Steering Control Prevent Oil Leaks {4300, 4301, 4312}
2010/08/19

SWIVEL GP

Technical Information Bulletin

Increased Case Drain Pressure May Cause Swing Motor Failure (Reoccurence)
Increased Case Drain Pressure May Cause Swing Motor Failure (Reoccurence)

Systems Operation

Swivel
320B Excavator Hydraulic System

Disassembly and Assembly

Swivel Joint
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New High Temperature Seals For The Swivel Groups Improve Reliability {5060}
1999/08/02

New High Temperature Seals For The Swivel Groups Improve Reliability {5060}
1999/11/01

TANK GP

Operation and Maintenance Manual

Hydraulic System Oil Level - Check
320B, 320B L and 320B N Excavators

Hydraulic System Oil - Change
320B, 320B L and 320B N Excavators

Technical Information Bulletin

Check For Correct Operation Of Oil Level Switch
Check For Correct Operation Of Oil Level Switch

Specifications

Hydraulic Tank and Filter
320B Excavator Machine System Specifications

Tool Operating Manual

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

Systems Operation

Hydraulic Tank and Filter
320B Excavator Hydraulic System

Reuse And Salvage Guidelines

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Contamination Control Guidelines

Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Disassembly and Assembly

Hydraulic Oil Tank
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Change to the Procedure for the Release of System Hydraulic Pressure {5056, 5095}
2000/03/13

A New Hydraulic Oil Filter Element is Available for Extreme Dust Conditions {5068}
2000/11/20

The Oil Level Switch for the Engine Oil and for the Hydraulic Oil Is Improved {1302, 5056, 7422}
2002/11/11

Improved Sight Gauges for the Hydraulic Tank and for the Fuel Tank Have Increased Durability {1273, 5056, 7479}
2003/12/08

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068}
2013/09/02

Welding On Fuel And Hydraulic Tanks {0353, 0679, 1273, 5056, 7000}
2005/12/19

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

Portable Test and Fill Machine Designed for a Service Vehicle but Works Fast Enough for the Shop {0768}
2006/02/27

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

TOOLS

Truck Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/27

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050}
2010/10/01

Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/27

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050}
2010/09/10

Special Instruction

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Operating Instructions for Cat 1U-9400 Series Hydraulic Test Center {0784}
Operating Instructions for Cat 1U-9400 Series Hydraulic Test Center {0784}

Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}

Lip Type Seals {0599, 0733, 5050, 7555}
Lip Type Seals {0599, 0733, 5050, 7555}

Hose Inspection Form {0374, 0599, 5057, 5057}
Hose Inspection Form {0374, 0599, 5057, 5057}

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Tool Operating Manual

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}

Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}
Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}
Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

9U-5000 Series Hydraulic Test Bench {0599, 0738}
9U-5000 Series Hydraulic Test Bench {0599, 0738}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738}
4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}
146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}

TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}
TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}
Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}

420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}
420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}

HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}
HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}

4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}
4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}

Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}
Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}

Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}
Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}

Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}
Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}
Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}
Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}
Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Bench Test Procedures

Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}
Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}

Service Magazine

New Gauge Block Set Available For Rebuilding Of Hydraulic Pumps and Motors{0733,0738,0763,4351,5070,5058}
1997/07/28

Use 136-7205 Extension Cable For Monitors{0740,0779}
1998/03/09

Boom Cylinder Link Assemblies Support Implement During Service {0635, 0738}
2004/03/08

New Hydraulic Hose Assembly Machine Integrates Crimputer II with Radial Crimping Technology {0738}
2004/05/03

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

Hose Kit Helps the Technician Properly Prepare Hydraulic Hose for Assembly {0684}
2004/05/31

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/05

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/27

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Remove Certain 6D-7726 Hose Assemblies from Inventory {0738}
2005/12/12

Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

Portable Test and Fill Machine Designed for a Service Vehicle but Works Fast Enough for the Shop {0768}
2006/02/27

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

VALVE & LINES GP

Disassembly and Assembly

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

VALVE GP

Disassembly and Assembly

Shock Reducing Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Slow Return Check Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

VALVE GP-BANK

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

VALVE GP-BRAKE

Systems Operation

Pilot Valve (Swing Parking Brake)
320B Excavator Hydraulic System

Service Magazine

Quieter Solenoid Valve For Swing Parking Brake {5479,5483}
1997/12/01

Procedure for the Measurement of the Movement of the Swing Bearing {5459, 7063}
2004/10/18

VALVE GP-BYPASS

Systems Operation

Bypass Valve (Return)
320B Excavator Hydraulic System

Disassembly and Assembly

Cooler Bypass Check Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

VALVE GP-CHECK

Specifications

Check Valve (Boom Drift Reduction)
320B Excavator Machine System Specifications

Check Valve (Stick Drift Reduction)
320B Excavator Machine System Specifications

Check Valve (Lowering Control)
320B Excavator Machine System Specifications

Check Valve (Stick Drift Reduction)
320B Excavator Machine System Specifications

Check Valve (Lowering Control)
320B Excavator Machine System Specifications

Systems Operation

Check Valve (Load)
320B Excavator Hydraulic System

Disassembly and Assembly

Cooler Bypass Check Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Slow Return Check Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

An Improved Fitting Reduces Internal Wear in the Check Valve {5067}
2001/02/12

A New Slow Return Check Valve Improves Hydraulic Performance {5067}
2001/07/09

VALVE GP-CHECK & RELIEF

Testing and Adjusting

Cylinder Drift - Check - Empty Bucket
320B Excavator Hydraulic System

VALVE GP-CONTROL

Technical Information Bulletin

Abrupt Boom Lift Movements May Occur During Grading Work
Abrupt Boom Lift Movements May Occur During Grading Work

Specifications

Pilot Valve (Joystick)
320B Excavator Machine System Specifications

Pilot Valve (Travel)
320B Excavator Machine System Specifications

Control Valve (Main)
320B Excavator Machine System Specifications

Pilot Control Valve (Auxiliary)
320B Excavator Machine System Specifications

Tool Operating Manual

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Systems Operation

Pilot Valve (Travel)
320B Excavator Hydraulic System

Main Control Valve
320B Excavator Hydraulic System

Pilot Valve (Implement and Swing)
320B Excavator Hydraulic System

Main Control Valve
320B Excavator Hydraulic System

Testing and Adjusting

Cylinder Drift - Check - Empty Bucket
320B Excavator Hydraulic System

Disassembly and Assembly

Boom Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Stick Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Pilot Control Valves (Travel)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Auxiliary Pilot Control Valve (Straight Travel)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Pilot Control Valves (Implement)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Shock Reducing Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Slow Return Check Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Optional Spring Available To Lighten The Required Operating Force On Control Levers Improves Operator Comfort {5465,5466}
1997/05/12

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/04/20

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/12/28

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

Stem Kits For Main Hydraulic Control Valves Are Now Serviced {5051}
1999/02/08

New Plugs for the Main Hydraulic Control Valve are Available {5051}
2001/08/13

Procedure for the Measurement of the Movement of the Swing Bearing {5459, 7063}
2004/10/18

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

VALVE GP-COUNTERBALANCE

Specifications

Travel Counterbalance Valve
320B Excavator Machine System Specifications

Disassembly and Assembly

Travel Brake Valves
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Procedure for the Measurement of the Movement of the Swing Bearing {5459, 7063}
2004/10/18

VALVE GP-CROSSOVER RELIEF

Systems Operation

Relief Valve (Crossover)
320B Excavator Hydraulic System

VALVE GP-CUSHION RELIEF

Relief Valve (Cushion Crossover)
320B Excavator Hydraulic System

Service Magazine

A New Solenoid Valve Group for the Fine Swing Control Is Available {5479, 5480}
2008/07/28

VALVE GP-DRAIN

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

VALVE GP-DRIFT REDUCTION

Specifications

Check Valve (Boom Drift Reduction)
320B Excavator Machine System Specifications

Check Valve (Stick Drift Reduction)
320B Excavator Machine System Specifications

Systems Operation

Boom Drift Reduction Valve - Boom
320B Excavator Hydraulic System

Testing and Adjusting

Cylinder Drift - Check - Empty Bucket
320B Excavator Hydraulic System

Disassembly and Assembly

Boom Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Stick Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

VALVE GP-FLOW CONTROL

Operation and Maintenance Manual

Joystick Controls Alternate Patterns
320B, 320B L and 320B N Excavators

Work Tool Flow Control - If Equipped
320B, 320B L and 320B N Excavators

Specifications

Flow Control Valve
320B Excavator Machine System Specifications

VALVE GP-FLUID SAMPLING

Truck Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Engine News

Operation and Maintenance Manual

Hydraulic System Oil Sample - Obtain
320B, 320B L and 320B N Excavators

Contamination Control Guidelines

Service Magazine

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/05

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

VALVE GP-IMPLEMENT CONTROL

Specifications

Control Valve (Main)
320B Excavator Machine System Specifications

Disassembly and Assembly

Pilot Control Valves (Implement)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/04/20

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/12/28

VALVE GP-LOAD CONTROL

Operation and Maintenance Manual

Equipment Lowering with Engine Stopped
320B, 320B L and 320B N Excavators

Specifications

Lines (Boom Lowering Valve)
320B Excavator Machine System Specifications

Systems Operation

Control Valve (Boom Lowering)
320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems

Check Valve (Load)
320B Excavator Hydraulic System

Testing and Adjusting

Boom Lowering Control Valve - Test and Adjust
320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems

Disassembly and Assembly

Boom Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Stick Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

VALVE GP-MANIFOLD & REDUCING

Specifications

Control Manifold (Pilot Oil)
320B Excavator Machine System Specifications

VALVE GP-MANIFOLD & RELIEF

VALVE GP-MANUAL

Service Magazine

A New Manual Valve Group for the Auxiliary Hydraulic Lines is Available for Certain Excavators {1329, 5001, 5130}
2009/06/15

The Work Tool Ball Valve Can Seize on Certain Wheeled and Medium Hydraulic Excavators {1329, 5001, 5130}
2010/11/01

VALVE GP-PILOT

Special Instruction

Installation of the Four-Way Pilot Valve Group (Control Pattern Change) {5051, 5059}
Installation of the Four-Way Pilot Valve Group (Control Pattern Change) {5051, 5059}

Installation of the Two-Way Pilot Valve (Control Pattern Change) {5051, 5059}
Installation of the Two-Way Pilot Valve (Control Pattern Change) {5051, 5059}

Specifications

Pilot Valve (Joystick)
320B Excavator Machine System Specifications

Pilot Valve (Travel)
320B Excavator Machine System Specifications

Relief Valve (Line) - Front Lines
320B Excavator Machine System Specifications

Pilot Control Valve (Auxiliary)
320B Excavator Machine System Specifications

Systems Operation

Pilot Valve (Travel)
320B Excavator Hydraulic System

Pilot Valve (Implement and Swing)
320B Excavator Hydraulic System

Disassembly and Assembly

Pilot Control Valves (Travel)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Auxiliary Pilot Control Valve (Straight Travel)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Pilot Control Valves (Implement)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Pilot Relief Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Optional Spring Available To Lighten The Required Operating Force On Control Levers Improves Operator Comfort {5465,5466}
1997/05/12

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/04/20

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/12/28

New Pilot Valve Group Prevents Stick Out Movement {5059,5458,5464}
1999/09/27

The Hydraulic Pilot Oil Filter Is Improved {5059, 5092, 5479}
2003/07/14

Optional Spool Kits are Available for the Pilot Valve to Modify the Response of the Implement Controls {5059}
2000/08/14

A New Pressure Switch Improves the Reliability of the Automatic Engine Speed Control {5057, 5059}
2008/07/14

VALVE GP-PILOT RELIEF

Specifications

Control Manifold (Pilot Oil)
320B Excavator Machine System Specifications

Systems Operation

Relief Valve (Pilot)
320B Excavator Hydraulic System

Testing and Adjusting

Relief Valve (Pilot) - Test and Adjust
320B Excavator Hydraulic System

VALVE GP-PRESS REDUCING SOL

Disassembly and Assembly

Solenoid Valves
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

VALVE GP-PRESSURE REDUCING

Systems Operation

Solenoid Valve (Proportional Reducing)
320B Excavator Hydraulic System

Reducing Valve (Shock)
320B Excavator Hydraulic System

Disassembly and Assembly

Proportional Reducing Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Shock Reducing Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

VALVE GP-RELIEF

Specifications

Relief Valve (Line) - Front Lines
320B Excavator Machine System Specifications

Relief Valve (One-Way Hydraulic Flow) - Front Lines
320B Excavator Machine System Specifications

Tool Operating Manual

Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}

Systems Operation

Relief Valve (Main)
320B Excavator Hydraulic System

Relief Valve (Line)
320B Excavator Hydraulic System

Testing and Adjusting

Relief Valve (Main) - Test and Adjust
320B Excavator Hydraulic System

Relief Valve (Crossover) - Test and Adjust
320B Excavator Hydraulic System

Relief Valve (Swing) - Test and Adjust
320B Excavator Hydraulic System

Relief Valve (Line) - Test and Adjust
320B Excavator Hydraulic System

Relief Valve (One Way Flow Line) - Test and Adjust
320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems

Relief Valve (Line) - Test and Adjust
320B Excavator Hydraulic System

Machine Drift on a Slope - Check
320B Excavator Hydraulic System

Service Magazine

New Relief Valve For Main Hydraulic System Improves Maintaining Pressure Setting {5069}
1998/04/13

New Relief Valve For Main Hydraulic System Improves Maintaining Pressure Setting {5069}
1998/08/17

A New Main Relief Valve Improves the Regulation of the Pressure in the Hydraulic System {5069}
2000/04/03

An Improved Swing Relief Valve Eliminates Abnormal Noise {5058}
2001/04/23

The 229-3612 Valve Seat Tool Gp Is Available to Repair Line Relief Valve Seats {0738, 5117}
2010/03/01

VALVE GP-SELECTOR

Specifications

Selector Valve (Hydraulic Lockout)
320B Excavator Machine System Specifications

Systems Operation

Selector Valve (Hydraulic Activation)
320B Excavator Hydraulic System

Disassembly and Assembly

Hydraulic Activation Control
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

VALVE GP-SEQUENCE

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

VALVE GP-SHUTTLE

Specifications

Shuttle Valve (One-Way Hydraulic Flow) - Front Lines
320B Excavator Machine System Specifications

Disassembly and Assembly

Shuttle Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/04/20

Special Instructions Are now Available For Installing Two-Way And Four-Way Pilot Valves{5051,5059}
1998/05/04

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/12/28

VALVE GP-SOLENOID

Specifications

Control Manifold (Pilot Oil)
320B Excavator Machine System Specifications

Solenoid Valve - Anti-Reaction Valve with Fine Swing Solenoid Valve
320B Excavator Machine System Specifications

Systems Operation

Solenoid Valve (Proportional Reducing)
320B Excavator Hydraulic System

Testing and Adjusting

Check Overcurrent at Proportional Reducing Valve - Troubleshoot - 4102
308B, 311B, 312B, 315B, 317B, 318B, 320B, 322B, 325B, 330B, M325B and W330B Excavators Engine and Pump Control

Check Open Circuit at Proportional Reducing Valve - Troubleshoot - 4103
308B, 311B, 312B, 315B, 317B, 318B, 320B, 322B, 325B, 330B, M325B and W330B Excavators Engine and Pump Control

Check Short Circuit of Proportional Reducing Valve to Battery Voltage - Troubleshoot
308B, 311B, 312B, 315B, 317B, 318B, 320B, 322B, 325B, 330B, M325B and W330B Excavators Engine and Pump Control

Proportional Reducing Valve Sweep - Test
308B, 311B, 312B, 315B, 317B, 318B, 320B, 322B, 325B, 330B, M325B and W330B Excavators Engine and Pump Control

Proportional Reducing Valve - Calibrate
308B, 311B, 312B, 315B, 317B, 318B, 320B, 322B, 325B, 330B, M325B and W330B Excavators Engine and Pump Control

Disassembly and Assembly

Solenoid Valves
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Quieter Solenoid Valve For Swing Parking Brake {5479,5483}
1997/12/01

A New Solenoid Valve Group for the Fine Swing Control Is Available {5479, 5480}
2008/07/28

VALVE GP-SPEED CONTROL

Systems Operation

Pilot Valve (Travel)
320B Excavator Hydraulic System

VALVE GP-STEERING

Control Valve (Straight Travel)
320B, 322B, 325B and 330B Excavators Attachment Hydraulic Systems

Control Valve (Straight Travel)
320B Excavator Hydraulic System

VALVE GP-UNLOADING