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378-2543 VALVE GP-CONTROL -FELLING HEAD-GRAB ARM S/N F7C1-UP PART OF 361-5306, 361-5307, 373-7703 VALVE GP-MAIN CONTROL AN ATTACHMENT 522B


HYDRAULIC SYSTEM
VALVE GP-CONTROL
CYLINDER GP
VALVE GP-FLOW CONTROL

TRACK FELLER BUNCHER 522B TRACK FELLER BUNCHER F7C
 522B TRACK FELLER BUNCHER F7C00001-UP (MACHINE) POWERED BY C9 Engine SEBP5123 522B F7C   (2011)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
VALVE GP-CONTROL
378-2541 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2542 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2543 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2544 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2545 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2548 VALVE GP-CONTROL
 

#SEBP51230420
 

378-2543: VALVE GP-CONTROL

378-2543 VALVE GP-CONTROL -FELLING HEAD-GRAB ARM
S/N F7C1-UP
PART OF 361-5306, 361-5307, 373-7703 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04373730 SEBP5123
3782543 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3440 [2] VALVE GP-RELIEF  
2. 350-7684 [2] KIT-SEAL  
    (EACH INCLUDES O-RINGS)
3. 219-6498 [2] KIT-PRESSURE REDUCING VALVE  
    (EACH INCLUDES)
  219-6530 [1] KIT-SEAL (CONTROL VALVE)  
4. 220-3363 [1] KIT-CAP  
    (INCLUDES RING, WASHERS, BOLTS, & SEAL KIT)
5. 378-4713 [1] KIT-CONTROL VALVE  
    (INCLUDES PLUGS, O-RINGS, WASHER, SCREWS, PISTONS, & KAS SPOOL)
6. 378-4638 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACKUP RINGS)
7. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES RINGS & WASHERS)
8. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
9. 370-8999 [2] KIT-SOLENOID VALVE  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
10. 378-4640 [1] KIT-SEAL  
    (INCLUDES O-RINGS)
11. 378-4715 [2] ORIFICE  
12. 378-4639 [1] KIT-SEAL  
    (INCLUDES BACKUP RINGS & O-RINGS)
 

#SEBP51230421
 

378-2544: VALVE GP-CONTROL

378-2544 VALVE GP-CONTROL -TILT
S/N F7C1-UP
PART OF 361-5307, 373-7694, 373-7703 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04372392 SEBP5123
3782544 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3443 [2] VALVE GP-RELIEF  
2. 350-7684 [2] KIT-SEAL  
    (EACH INCLUDES O-RINGS)
3. 219-6498 [2] KIT-PRESSURE REDUCING VALVE  
    (EACH INCLUDES)
  219-6530 [1] KIT-SEAL (CONTROL VALVE)  
4. 378-4711 [1] KIT-CONTROL VALVE  
    (INCLUDES SCREWS, CAP, O-RING, WASHERS, & PLUG)
5. 378-4713 [1] KIT-CONTROL VALVE  
    (INCLUDES PLUGS, O-RINGS, WASHER, SCREWS, PISTONS, & KAS SPOOL)
6. 378-4638 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACKUP RINGS)
7. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES RINGS & WASHERS)
8. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
9. 370-8999 [2] KIT-SOLENOID VALVE  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
10. 378-4640 [1] KIT-SEAL  
    (INCLUDES O-RINGS)
11. 378-4715 [2] ORIFICE  
12. 378-4639 [1] KIT-SEAL  
    (INCLUDES BACKUP RINGS & O-RINGS)
 

#SEBP51230422
 

378-2545: VALVE GP-CONTROL

378-2545 VALVE GP-CONTROL -STICK
S/N F7C1-UP
PART OF 361-5306, 373-7693 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04372393 SEBP5123
3782545 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3443 [2] VALVE GP-RELIEF  
2. 350-7684 [2] KIT-SEAL  
    (EACH INCLUDES O-RINGS)
3. 378-4711 [1] KIT-CONTROL VALVE  
    (INCLUDES SCREWS, CAP, O-RING, WASHERS, & PLUG)
4. 378-4713 [1] KIT-CONTROL VALVE  
    (INCLUDES PLUGS, O-RINGS, WASHER, SCREWS, PISTONS, & KAS SPOOL)
5. 378-4638 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACKUP RINGS)
6. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES RINGS & WASHERS)
7. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
8. 370-8999 [2] KIT-SOLENOID VALVE  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
9. 378-4640 [1] KIT-SEAL  
    (INCLUDES O-RINGS)
10. 378-4715 [2] ORIFICE  
11. 378-4639 [1] KIT-SEAL  
    (INCLUDES BACKUP RINGS & O-RINGS)
 

#SEBP51230423
 

378-2548: VALVE GP-CONTROL

378-2548 VALVE GP-CONTROL -TRAVEL, RH, LH
S/N F7C1-UP
PART OF 361-5307, 373-7694, 373-7703 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04373753 SEBP5123
3782548 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-9425 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  8J-2413 [1] SEAL-O-RING  
2. 350-7684 [2] KIT-SEAL  
    (EACH INCLUDES O-RINGS)
3. 378-4711 [1] KIT-CONTROL VALVE  
    (INCLUDES SCREWS, CAP, O-RING, WASHERS, & PLUG)
4. 378-4713 [1] KIT-CONTROL VALVE  
    (INCLUDES PLUGS, O-RINGS, WASHER, SCREWS, PISTONS, & KAS SPOOL)
5. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES RINGS & WASHERS)
6. 378-4638 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACKUP RINGS)
7. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
8. 370-8999 [2] KIT-SOLENOID VALVE  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
9. 378-4640 [1] KIT-SEAL  
    (INCLUDES O-RINGS)
10. 378-4715 [2] ORIFICE  
11. 378-4639 [1] KIT-SEAL  
    (INCLUDES BACKUP RINGS & O-RINGS)
 

#SEBP51230424
 

381-1520: VALVE GP-CONTROL

381-1520 VALVE GP-CONTROL -SWING
S/N F7C1-UP
PART OF 361-5306, 373-7693 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04479489 SEBP5123
3811520 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-9425 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  8J-2413 [1] SEAL-O-RING  
2. 350-7684 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
3. 219-6498 [2] KIT-PRESSURE REDUCING VALVE  
    (EACH INCLUDES)
  219-6530 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
4. 378-4711 [1] KIT-CONTROL VALVE  
    (INCLUDES SCREWS, CAP, O-RING, WASHERS, & PLUG)
5. 171-2462 [1] VALVE GP-COMPENSATING  
6. 279-3450 [1] PLUG AS  
  279-3451 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS & BACK UP RINGS)
7. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES O-RINGS & WASHERS)
8. 378-4716 [1] VALVE GP-CONTROL  
9. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
10. 370-8999 [2] KIT-SOLENOID VALVE  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
11. 378-4640 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
12. 378-4715 [2] ORIFICE  
13. 378-4639 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS & BACK UP RINGS)
 

#SEBP51230425
 

381-1521: VALVE GP-CONTROL

381-1521 VALVE GP-CONTROL -TILT
S/N F7C1-UP
PART OF 361-5306, 373-7693 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04479791 SEBP5123
3811521 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-9425 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  8J-2413 [1] SEAL-O-RING  
2. 350-7684 [1] KIT-SEAL  
    (INCLUDES O-RINGS)
3. 219-6498 [2] KIT-PRESSURE REDUCING VALVE  
    (EACH INCLUDES)
  219-6530 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
4. 378-4711 [1] KIT-CONTROL VALVE  
5. 378-4713 [1] KIT-CONTROL VALVE  
6. 378-4638 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACK UP RINGS)
7. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES O-RINGS & WASHERS)
8. 378-4712 [1] KIT-CONTROL VALVE  
9. 370-8999 [2] KIT-SOLENOID VALVE (CONTROL VALVE)  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, RESTRICTOR)
10. 378-4640 [1] KIT-SEAL  
    (INCLUDES O-RINGS)
11. 378-4715 [2] ORIFICE  
12. 378-4639 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACK UP RINGS)
 

#SEBP51230426
 

381-1522: VALVE GP-CONTROL

381-1522 VALVE GP-CONTROL -BOOM
S/N F7C1-UP
PART OF 361-5306, 373-7693 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04479474 SEBP5123
3811522 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-3443 [2] VALVE GP-RELIEF  
2. 378-4639 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS & BACK UP RINGS)
3. 350-7684 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
4. 219-6498 [2] KIT-PRESSURE REDUCING VALVE (SIGNAL LIMITER)  
    (EACH INCLUDES)
  219-6530 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
5. 378-4711 [1] KIT-CONTROL VALVE  
    (INCLUDES SCREWS, CAP, O-RING, WASHERS, & PLUG)
6. 378-4713 [1] KIT-CONTROL VALVE (BOOM)  
    (INCLUDES PLUGS, O-RINGS, WASHER, SCREWS, PISTONS, & KAS SPOOL)
7. 378-4638 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS & BACK UP RINGS)
8. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES O-RINGS & WASHERS)
9. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
10. 370-8999 [2] KIT-SOLENOID VALVE (CONTROL VALVE)  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
11. 378-4640 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
12. 378-4715 [2] ORIFICE  
 

#SEBP51230427
 

381-1523: VALVE GP-CONTROL

381-1523 VALVE GP-CONTROL -INTERMITTENT SAW
S/N F7C1-UP
PART OF 361-5307 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i04479390 SEBP5123
3811523 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 183-9425 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  8J-2413 [1] SEAL-O-RING  
2. 350-7684 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
3. 219-6498 [2] KIT-PRESSURE REDUCING VALVE  
    (EACH INCLUDES)
  219-6530 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
4. 378-4711 [1] KIT-CONTROL VALVE  
    (INCLUDES SCREWS, CAP, O-RING, WASHERS, & PLUG)
5. 287-6699 [1] VALVE GP-PUMP CONTROL  
6. 279-3450 [1] PLUG AS  
  279-3451 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS & BACK UP RINGS)
7. 227-2150 [1] KIT-CONTROL VALVE (SEAL)  
    (INCLUDES O-RINGS & WASHERS)
8. 378-4716 [1] VALVE GP-CONTROL  
9. 378-4712 [1] KIT-CONTROL VALVE  
    (INCLUDES CAP, PLUG, SCREWS, WASHERS, SCREWS, & O-RINGS)
10. 370-8999 [2] KIT-SOLENOID VALVE (CONTROL VALVE)  
    (EACH INCLUDES 24V DEUTSCH STEELS, SCREWS, & RESTRICTOR)
11. 378-4640 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS)
12. 378-4715 [2] ORIFICE  
13. 378-4639 [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES O-RINGS & BACK UP RINGS)
 

#SEBP51230428
 

105-8117: VALVE GP-COUNTERBALANCE

105-8117 VALVE GP-COUNTERBALANCE
S/N F7C1-UP
PART OF 251-8281 CYLINDER GP-HOOD TILT
i00484337 SEBP5123
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  114-3616 [1] KIT-SEAL (COUNTERBALANCE VALVE)  
    (INCLUDES RINGS & SEALS)
 

#SEBP51230429
 

291-1122: VALVE GP-FLOW CONTROL

291-1122 VALVE GP-FLOW CONTROL -TRAVEL MOTOR
S/N F7C1-UP
PART OF 291-1126 HEAD GP-MOTOR
ALSO AN ATTACHMENT
i02992825 SEBP5123
2911122 VALVE GP-FLOW CONTROL Parts scheme
  For full view, you need register

Parts for your 522B TRACK FELLER BUNCHER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-6767 [2] SEAL-O-RING  
2. 192-3286 [2] PLUG  
3. 192-3289 [2] SPRING  
4. 192-3290 [2] WASHER  
5. 123-5799 [2] SEAT  
6. 123-5798 [2] SEAT  
 

Information:

Special Instruction
Saw Head Pressure Adjustment for HF201B and HF221A Felling Heads{5051, 5117, 6319}
Saw Head Pressure Adjustment for HF201B and HF221A Felling Heads{5051, 5117, 6319}
Procedure to Replace and Adjust the Boom Feed Reducer Valve on Certain Track Feller Bunchers{5051, 5117, 6320, 6501}
Procedure to Replace and Adjust the Boom Feed Reducer Valve on Certain Track Feller Bunchers{5051, 5117, 6320, 6501}
Grab, Accumulate, and Wrist Pressure Adjustment Procedure for HF201B and HF221A Felling Heads on Certain Track Feller Bunchers{5051, 5057, 5070, 5264, 5479}
Grab, Accumulate, and Wrist Pressure Adjustment Procedure for HF201B and HF221A Felling Heads on Certain Track Feller Bunchers{5051, 5057, 5070, 5264, 5479}
Replacement Procedure of High Flow and Low Flow Spool Valves of Grab, Accumulate, and Wrist / Rotate Valve on Certain Track Feller Bunchers{5051}
Replacement Procedure of High Flow and Low Flow Spool Valves of Grab, Accumulate, and Wrist / Rotate Valve on Certain Track Feller Bunchers{5051}
Procedure to Install a SAT420 Felling Head on a Caterpillar<SUP>&reg;</SUP> 522B Track Feller Buncher with Harvester Arrangement Excavator{1408, 5051, 5057, 6319, 6320, 6501, 6502, 6543, 7490, 7610, 7620}
Procedure to Install a SAT420 Felling Head on a Caterpillar® 522B Track Feller Buncher with Harvester Arrangement Excavator{1408, 5051, 5057, 6319, 6320, 6501, 6502, 6543, 7490, 7610, 7620}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE PRESSURE SETTING ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE PRESSURE SETTING ON CERTAIN 521B AND 522B TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE CONTROL VALVE RELIEF PRESSURES ON CERTAIN 521B, 522B, 541 SERIES II, AND 552 SERIES II TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
Service Letter-Americas
Specifications
Main Control Valve (7-Bank) - Intermittent Saw
521B and 522B Track Feller Bunchers Machine Systems
Main Control Valve (5-Bank) - Travel) (Low Flow
521B and 522B Track Feller Bunchers Machine Systems
Main Control Valve (5-Bank) - Travel) (High Flow
521B and 522B Track Feller Bunchers Machine Systems
Main Control Valve (6-Bank) - Low Flow) (Tilt
521B and 522B Track Feller Bunchers Machine Systems
Main Control Valve (6-Bank) - High Flow) (Tilt
521B and 522B Track Feller Bunchers Machine Systems
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}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
Service Letter-Asia
Systems Operation
Control Valve (Main)
521B and 522B Track Feller Bunchers Machine Systems
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 363-1829 TUBE ASSEMBLY WITH A NEW 423-6071 HOSE ASSEMBLY ON CERTAIN 522B TRACK FELLER BUNCHERS
Testing and Adjusting
Boom Cylinder Drift - Check
521B and 522B Track Feller Bunchers Machine Systems
Stick Cylinder Drift - Check
521B and 522B Track Feller Bunchers Machine Systems
Tilt Cylinder Drift - Check
521B and 522B Track Feller Bunchers Machine Systems
Pressure Reducing Valve (Feed Reduction) Test and Adjust - Signal Limiter Valve
521B and 522B Track Feller Bunchers Machine Systems
Relief Valve (Line) - Test and Adjust
521B and 522B Track Feller Bunchers Machine Systems
Disassembly and Assembly
Main Control Valve - Disassemble
521B and 522B Track Feller Bunchers Machine Systems
Main Control Valve - Assemble
521B and 522B Track Feller Bunchers Machine Systems
Control Valve (Travel, 4-Bank) (With Tilt Function) - Disassemble
521B and 522B Track Feller Bunchers Machine Systems
Control Valve (Travel, 4-Bank) (With Tilt Function) - Assemble
521B and 522B Track Feller Bunchers Machine Systems
Main Control Valve - Remove and Install
521B and 522B Track Feller Bunchers Machine Systems
Service Magazine
New Special Instructions For Adjusting Boom and Felling Head Pressures are Now Available {5051, 5117, 6319, 6501}
2013/08/05
A Procedure to Adjust the Pressure of the Grab, Accumulate, and Wrist Control Valves on Certain Track Feller Bunchers Equipped with Certain Felling Heads Is Now Used {5051, 5057, 5070, 5264, 5479}
2013/10/09
Improved Spool Valve Service Kits Are Used on Certain Track Feller Bunchers Equipped with 378-2543 Control Valve Gp and 378-2541 Control Valve Gp {5051}
2013/10/16
A New Main Control Valve and Mounting Group Is Now Used on Certain 522B Track Feller Buncher {5051, 5057}
A New Main Control Valve and Mounting Group Is Now Used on Certain 522B Track Feller Buncher {5051, 5057}
Procedure to Purge the Air from the Spring Kit End of the Pilot Caps Is Now Used on Certain Track Feller Bunchers {5051}
Procedure to Purge the Air from the Spring Kit End of the Pilot Caps Is Now Used on Certain Track Feller Bunchers {5051}

Caterpillar Parts SIS Catalog 522B :

VALVE GP-CONTROL
378-2542 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2541 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2539 VALVE GP-CONTROL
VALVE GP-CHECK & RELIEF
192-3293 VALVE GP-CHECK & RELIEF
VALVE & MTG GP-MAIN CONTROL
375-0158 VALVE & MTG GP-MAIN CONTROL
VALVE & MTG GP-MAIN CONTROL
375-0156 VALVE & MTG GP-MAIN CONTROL
VALVE & MTG GP-MAIN CONTROL
375-0154 VALVE & MTG GP-MAIN CONTROL
VALVE & MTG GP-MAIN CONTROL
375-0152 VALVE & MTG GP-MAIN CONTROL
VALVE GP-CONTROL
378-2544 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2545 VALVE GP-CONTROL
VALVE GP-CONTROL
378-2548 VALVE GP-CONTROL
VALVE GP-CONTROL
381-1520 VALVE GP-CONTROL
VALVE GP-CONTROL
381-1521 VALVE GP-CONTROL
VALVE GP-CONTROL
381-1522 VALVE GP-CONTROL
VALVE GP-CONTROL
381-1523 VALVE GP-CONTROL
105-8117 VALVE GP-COUNTERBALANCE

Truck sale:

 
 
Caterpillar 522B
- Feller bunchers
PETERSON TRACTOR CO
Caterpillar 522B, Mulcher, Landmaschinen
315.000 
Caterpillar 522B, Mulcher, Landmaschinen
- Pasture mowers and toppers
WESTERN STATES EQUIPMENT
Caterpillar 522B, Mulcher, Landmaschinen
 
Caterpillar 522B, Mulcher, Landmaschinen
- Pasture mowers and toppers
WESTERN STATES EQUIPMENT
 
409.500 
Caterpillar 522B, Forstanhänger/Rückewagen, Forstmaschinen
- Feller bunchers
PETERSON TRACTOR CO
 
315.000 
Caterpillar 522B, Mulcher, Landmaschinen


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