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8J2057 RELIEF VALVE GROUP Part of 8K2629 Pump Lines Group shown on Pages 149 & 153 235 EXCAVATOR


HYDRAULIC SYSTEM
VALVE GP-RELIEF
PUMP GP
VALVE GP
PUMP GP
OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
VALVE GP-SERVO
LINES GP-SWING
VALVE GP-COMBINER & RELIEF

EXCAVATOR 235 EXCAVATOR 64R
 235 EXCAVATOR 64R00455-00595 (MACHINE) POWERED BY 3306 ENGINE HEBP1157 235 64R   (1977)

HYDRAULIC SYSTEM

VALVE GP-RELIEF
VALVE GP-RELIEF
3G-3280 VALVE GP-RELIEF
VALVE GP-RELIEF
8J-6798 VALVE GP-RELIEF
VALVE GP-RELIEF
8J-0328 VALVE GP-RELIEF
VALVE GP-RELIEF
9J-2041 VALVE GP-RELIEF
VALVE GP-RELIEF
9J-3024 VALVE GP-RELIEF
VALVE GP-PITCH RELIEF
8J-2057 VALVE GP-PITCH RELIEF
VALVE GP-RELIEF
8J-9357 VALVE GP-RELIEF
 

#HEBP11570220
 

8J-2057: VALVE GP-PITCH RELIEF

8J2057 RELIEF VALVE GROUP
Part of 8K2629 Pump Lines Group shown on Pages 149 & 153
c163386 HEBP1157
8J2057 VALVE GP-PITCH RELIEF Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0768 [1] BOLT  
2. 3B-4507 [3] LOCKWASHER  
3. 4J-8996 [2] SEAL  
4. 4J-5267 [2] SEAL  
5. 5H-6005 [1] SEAL  
6. 7L-8695 C [1] SPRING  
7. 3J-7354 C [1] SEAL  
8. 8J-8838 C [1] VALVE GROUP  
9. 5P-1893 C [2] BOLT  
10. 4F-7115 [1] SPRING  
11. 0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
12. 3J-7473 [4] SHIM .127 mm(.005 in.) thick  
  3J-7470 C [5] SHIM 1.2192 mm(.048 in)thick  
13. 3H-6249 [1] RETAINER  
14. 8J-2056 [1] VALVE GROUP  
15. 9S-8002 C [1] PLUG  
  C   INDICATES CHANGE
 

#HEBP11570221
 

3G-1686: PUMP GP-GEAR

3G1686 HYDRAULIC SWING AND PILOT PUMP GROUP--Gear
c161676 HEBP1157
3G1686 PUMP GP-GEAR Parts scheme
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7H-0974 [8] STUD  
2. 8H-5724 [8] NUT  
3. 6J-2391 [8] WASHER  
4. 7J-4772 [1] COUPLING  
  5S-1522 [1] RING  
5. 9J-5654 [2] SEAL  
6. 3G-1280 [1] SPACER  
7. 9J-9841 [1] PLUG  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  8J-9239 [1] KIT (seal)  
    (Includes Seals, Plates, & Retainer)
  8J-9420 [1] KIT (Gear-Pump-Rear)  
  3G-1858 [1] KIT (Gear Pump-Front)  
 

#HEBP11570222
 

8J-8447: VALVE GP-FOLLOWER

8J8447 FOLLOWER VALVE GROUP
Provides Field Replacement for 8J3721 Spool and 8J3722 Sleeve shown on Page 160
c118664 HEBP1157
8J8447 VALVE GP-FOLLOWER Parts scheme
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-8317 [1] RING  
2. 3H-1118 [1] PIN  
3. 8J-2034 [1] STOP  
4. 8J-2027 [1] SPACER  
 

#HEBP11570223
 

8J-1905: PUMP GP-PISTON

8J1905 PISTON PUMP GROUP--Slipper--Part 1 of 2- 2 Required
8J6899 Head parts are shown on Page 160
c214214 HEBP1157
8J1905 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE  
4. 2H-6488 [4] BOLT  
5. 3B-4508 [10] LOCKWASHER  
6. 8J-6899 Y [1] HEAD GROUP  
    (Separate Illustration)
7. 9J-3526 R [1] PLATE  
8. 8J-0240 [1] GASKET  
9. 0S-1573 [4] BOLT  
10. 034-4160 [8] BOLT  
11. 9J-2486 [2] BEARING  
12. 8J-0218 [6] SHIM .13 mm(.005 in.) thick  
  8J-0217 [4] SHIM .06 mm(.002 in.) thick  
13. 8J-0171 [1] PLATE  
14. 1D-4572 [2] BOLT  
15. 5B-5821 [2] DOWEL  
16. 9M-1974 [1] WASHER  
17. 3G-3150 C [1] PLATE  
18. 8J-6897 [9] PISTON ASSEM.  
19. 8J-2043 [1] SPRING  
20. 9J-8667 RC [1] BARREL ASSEM.  
21. 8J-0237 [2] SPACER  
22. 1K-6985 [1] RING  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#HEBP11570224
 

8J-1905: PUMP GP-PISTON

8J1905 PISTON PUMP GROUP--Slipper--Part 2 of 2-2 Required
c214232 HEBP1157
8J1905 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7336 [2] LINK  
2. 2J-0157 [2] SEAL  
3. 6F-8205 [8] WASHER .559 mm(.022 in.) thick  
  6H-0199 [2] WASHER 2.77 mm(.109 in.) thick  
  5J-9101 [2] SHIM .254 mm(.010 in.) thick  
4. 8J-1603 [1] BOLT  
5. 8J-0219 [1] BOLT  
6. 8J-7333 [2] INSERT  
7. 8J-6276 [2] RETAINER  
8. 1S-8517 [2] RING  
9. 9S-8008 [3] PLUG  
  3D-2824 [3] SEAL  
10. 9M-2092 [2] SEAL  
11. 8J-0123 [2] COVER  
12. 6S-2827 [2] CONE  
13. 0S-1588 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
14. 8J-0220 [4] SHIM .127 mm(.005 in.) thick  
  8J-0221 [4] SHIM .05 mm(.002 in.) thick  
15. 9J-8758 [2] SEAL  
16. 7H-2444 [2] SEAL  
17. 8J-6802 [1] SHAFT  
18. 7J-8893 [1] CONE  
19. 9J-6403 [1] RETAINER  
  6D-7889 [2] SEAL  
20. 6S-2826 [2] CUP  
21. 5B-5821 [1] DOWEL  
22. 9J-5416 [1] SWASHPLATE  
23. 1T-0284 [3] BOLT  
24. 8J-0137 [1] BODY  
25. 7J-8894 [1] CUP  
26. 1A-2223 [2] DOWEL  
  8J-8652 KIT (Consists of Gasket Ring and Seals)  
 

#HEBP11570225
 

8J-6899: HEAD GP-PUMP CONTROL

8J6899 PUMP CONTROL HEAD GROUP
Part of 8J1905 Piston Pump Group shown on Page 158
c118662 HEBP1157
8J6899 HEAD GP-PUMP CONTROL Parts scheme
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Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8002 [5] PLUG  
  3J-7354 [5] SEAL  
2. 8J-0436 [1] HEAD  
3. 8J-0442 [1] COVER  
4. 5K-5959 [2] SEAL  
5. 8J-3800 [1] CARTRIDGE  
6. 8J-1898 [5] SHIM  
7. 8J-3818 [1] SPRING (outer)  
8. 8J-3819 [1] SPRING (inner)  
9. 0S-1585 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
10. 8J-2029 [1] SPACER  
11. 8J-0444 [1] COVER  
12. 8J-2028 [1] SPACER  
13. 5P-1480 [6] SEAL  
  8J-3817 [6] RING  
14. 8J-6898 Y [1] VALVE GROUP  
    (Separate Illustration)
15. 8J-7334 [1] PISTON  
16. 8J-3816 [1] PISTON  
17. 8J-0412 [1] CUP  
  Y   SEPARATE ILLUSTRATION
 

#HEBP11570226
 

8J-6898: VALVE GP-SERVO

8J6898 SERVO VALVE GROUP
Part of 8J6899 Pump Control Head Group
c118663 HEBP1157
8J6898 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9324 [1] SETSCREW  
2. 8J-2027 [1] SPACER  
3. 3D-8317 [1] RING  
4. 8J-2034 [1] STOP  
5. 3H-1118 [1] PIN  
6. 8J-3820 [1] PISTON  
7. 8J-7335 [1] PISTON  
8. 8J-2040 [1] INSERT  
9. 2L-6726 [1] RING  
10. 8J-3801 [1] CARTRIDGE  
11. 8J-3721 [1] SPOOL  
12. 8J-3722 [1] SLEEVE  
 

#HEBP11570227
 

8K-2631: LINES GP-SWING MOTOR

8K2631 SWING MOTOR LINES GROUP
Serial No. 64R455 to 64R473 inclusive
8J8921 Valve & 8J6773 Piston Motor parts are shown on Pages 163 through 167
c148586 HEBP1157
8K2631 LINES GP-SWING MOTOR Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4556 [8] BOLT  
2. 3B-4507 [16] LOCKWASHER  
3. 1P-3704 [4] SEAL  
4. 8J-6773 Y [1] MOTOR GROUP  
    (Separate Illustration)
5. 1V-1387 [1] TUBE ASSEM.  
6. 9S-4181 [1] PLUG  
  7M-8485 [1] SEAL  
7. 1V-1389 [1] TUBE ASSEM.  
8. 9S-4181 [1] PLUG  
  7M-8485 [1] SEAL  
9. 0T-0768 [24] BOLT  
10. 8J-8921 Y [1] VALVE GROUP  
    (Separate Illustration)
11. 1P-5766 [8] FLANGE  
12. 8K-2775 [2] HOSE ASSEM.  
13. 1P-3703 [4] SEAL  
14. 0S-1585 [7] BOLT  
  3B-4508 [7] LOCKWASHER  
15. 2M-0849 [3] WASHER  
16. 1V-1388 [1] SUPPORT ASSEM.  
17. 4N-3641 [1] HOSE ASSEM. (36 in. long)  
18. 1D-4609 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
19. 030-7950 [1] ELBOW  
  3D-2824 [1] SEAL  
20. 4B-4279 C [16] WASHER  
21. 3R-9704 C [1] ELBOW  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP11570228
 

8K-2631: LINES GP-SWING MOTOR

8K2631 SWING MOTOR LINES GROUP
Serial No. 64R474--Up
8J8921 Valve & 8J6773 Piston Motor parts are shown on Pages 163, 166 and 167
c213848 HEBP1157
8K2631 LINES GP-SWING MOTOR Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4556 [8] BOLT  
2. 1D-4707 C [8] BOLT  
3. 1P-3704 [4] SEAL  
4. 8J-6773 Y [1] MOTOR GROUP  
    (Separate Illustration)
5. 2V-8687 C [1] TUBE ASSEM.  
6. 9S-4181 [1] PLUG  
  7M-8485 [1] SEAL  
7. 2V-8689 C [1] TUBE ASSEM.  
8. 9S-4181 [1] PLUG  
  7M-8485 [1] SEAL  
9. 0T-0768 C [16] BOLT  
10. 8J-8921 Y [1] VALVE GROUP  
    (Separate Illustration)
11. 1P-5766 [8] FLANGE  
12. 8K-2775 [2] HOSE ASSEM.  
13. 1P-3703 [4] SEAL  
14. 0S-1585 [7] BOLT  
  3B-4508 [7] LOCKWASHER  
15. 2M-0849 [3] WASHER  
16. 1V-1388 [1] SUPPORT ASSEM.  
17. 4N-3641 [1] HOSE ASSEM. 91.44 cm(36 in.)  
18. 1D-4609 [4] BOLT  
  3B-4512 [4] LOCKWASHER  
19. 030-7950 [1] ELBOW  
  3D-2824 [1] SEAL  
20. 4B-4279 [16] WASHER  
21. 3R-9704 [1] ELBOW  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP11570229
 

8J-8921: COMBINER & RELIEF VALVE GP

8J8921 COMBINER AND RELIEF VALVE GROUP
Part of 8K2631 Swing Motor Lines Group shown on Pages 161 & 162
8J9357 Valve parts are shown on Page 168
c203959 HEBP1157
8J8921 COMBINER & RELIEF VALVE GP Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1J-8960 [2] SPRING  
2. 8J-8908 C [1] VALVE GP  
3. 9S-8010 [2] PLUG-O-RING  
  2S-4078 [2] SEAL-O-RING  
4. 8J-9357 Y [1] VALVE GP-RELIEF  
5. 9S-8005 [1] PLUG-O-RING  
  3K-0360 [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

Information:

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}

Caterpillar Parts SIS Catalog 235 :

LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
LINES GP-PUMP
8K-2629 LINES GP-PUMP
PUMP GP-GEAR
3G-1686 PUMP GP-GEAR
VALVE GP-FOLLOWER
8J-8447 VALVE GP-FOLLOWER
PUMP GP-PISTON
8J-1905 PUMP GP-PISTON
PUMP GP-PISTON
8J-1905 PUMP GP-PISTON
HEAD GP-PUMP CONTROL
8J-6899 HEAD GP-PUMP CONTROL
VALVE GP-SERVO
8J-6898 VALVE GP-SERVO
LINES GP-SWING MOTOR
8K-2631 LINES GP-SWING MOTOR
LINES GP-SWING MOTOR
8K-2631 LINES GP-SWING MOTOR

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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