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522-0574 VALVE AR-CHECK & RELIEF -BOOM LOAD CONTROL S/N RBY1-UP PART OF 565-7175 DISTRIBUTION AR 349




HYDRAULIC SYSTEM

VALVE GP-CHECK & RELIEF
 

#M01017930570
 

522-0574: VALVE AR-CHECK & RELIEF

522-0574 VALVE AR-CHECK & RELIEF -BOOM LOAD CONTROL
S/N RBY1-UP
PART OF 565-7175 DISTRIBUTION AR
i07642030 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  521-9742 Y [1] LINES GP-PILOT (BOOM LOAD CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#M01017930571
 

522-0594: VALVE AR-CHECK & RELIEF

522-0594 VALVE AR-CHECK & RELIEF -REACH BOOM, STICK LOAD CONTROL
S/N RBY1-UP
i07642151 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  519-6927 Y [1] LINES GP-BOOM (STICK LOAD CONTROL)  
  521-9744 Y [1] LINES GP-PILOT (STICK LOAD CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#M01017930572
 

522-0596: VALVE AR-CHECK & RELIEF

522-0596 VALVE AR-CHECK & RELIEF -MASS BOOM, STICK LOAD CONTROL
S/N RBY1-UP
i07642155 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  519-6929 Y [1] LINES GP-BOOM (MASS BOOM, STICK LOAD CONTROL)  
  521-9744 Y [1] LINES GP-PILOT (STICK LOAD CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#M01017930573
 

575-3928: VALVE AR-MAIN CONTROL

575-3928 VALVE AR-MAIN CONTROL
S/N RBY1-UP
PART OF 565-7141 OPTION AR-HYDRAULIC
i07660440 M0101793
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  542-5589 Y [1] LINES GP-PILOT  
  575-3930 Y [1] VALVE GP-MAIN CONTROL  
  Y   SEPARATE ILLUSTRATION
 

#M01017930574
 

575-3929: VALVE AR-MAIN CONTROL

575-3929 VALVE AR-MAIN CONTROL
S/N RBY1-UP
PART OF 565-7149, 565-7150, 565-7152 OPTION AR-HYDRAULIC
i07660346 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  542-5590 Y [1] LINES GP-PILOT  
  575-3931 Y [1] VALVE GP-MAIN CONTROL  
  Y   SEPARATE ILLUSTRATION
 

#M01017930575
 

523-0093: VALVE AR-SWING

523-0093 VALVE AR-SWING -FINE SWING
S/N RBY1-UP
i07655133 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  493-3207 Y [1] VALVE & MTG GP-SOLENOID  
  Y   SEPARATE ILLUSTRATION
 

#M01017930576
 

521-3213: VALVE GP-CHECK

521-3213 VALVE GP-CHECK -HYDRAULIC RETURN
S/N RBY1-UP
PART OF 521-9714 LINES GP-CONTROL
i07519157 M0101793
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Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1608 [2] SEAL-O-RING  
2. 105-3478 M [4] BOLT-SOCKET HEAD (M10X1.5X35-MM)  
3. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
4. 523-8830 [2] COVER-VALVE  
5. [2] SLEEVE  
6. 523-8832 [2] VALVE-CHECK  
7. 523-8833 [1] SPRING-CHECK VALVE  
8. 523-8834 [1] SPRING-CHECK VALVE  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  M   METRIC PART
 

#M01017930577
 

577-2154: VALVE GP-CHECK & RELIEF

577-2154 VALVE GP-CHECK & RELIEF -BOOM LOAD CONTROL
S/N RBY1-UP
PART OF 521-9728, 521-9729 LINES GP-BOOM CYLINDER
i07746839 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1601 [1] SEAL-O-RING  
3. 4I-3510 [1] SPRING  
4. 6K-6307 [1] SEAL-O-RING  
5. 6V-8218 [1] SEAL-O-RING  
6. 8J-6815 [2] PLUG-ORIFICE  
7. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
9. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
10. 8T-4244 M [1] NUT (M12X1.75-THD)  
11. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
12. 8T-6759 [8] PLUG-PIPE  
13. 095-1573 [1] SEAL-O-RING  
14. 095-1578 [1] SEAL-O-RING  
15. 095-1584 [1] SEAL-O-RING  
16. 095-8024 [1] RING-BACKUP  
17. 225-4818 [4] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  225-4804 [1] PLUG  
18. 171-0037 [1] VALVE  
19. 232-4113 [1] RING  
20. 366-4699 [2] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3692 [1] PLUG  
21. [1] SEAT AS-VALVE  
  119-5398 [1] SCREEN-FILTER (RELIEF VALVE)  
24. 518-1324 [1] PLUG  
25. 518-1325 [1] RETAINER-SPRING  
26. 518-1328 [1] COVER-PISTON  
27. 518-1329 B [1] SHIM (0.1-MM THK)  
28. 518-1330 B [1] SHIM (0.2-MM THK)  
29. 518-1331 [1] SPRING  
30. 518-1332 [1] PLUG  
31. 507-5975 [1] BODY-VALVE  
32. 507-5976 [1] ADJUSTER  
33. 518-1333 [1] COVER-VALVE  
35. 577-2155 Y [1] SPOOL GP-VALVE (BOOM LOAD CONTROL)  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01017930578
 

577-5912: VALVE GP-CHECK & RELIEF

577-5912 VALVE GP-CHECK & RELIEF -STICK LOAD CONTROL
S/N RBY1-UP
PART OF 521-9730 LINES GP-STICK CYLINDER
i07751515 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1601 [1] SEAL-O-RING  
3. 4I-3510 [1] SPRING  
4. 6K-6307 [1] SEAL-O-RING  
5. 6V-8218 [1] SEAL-O-RING  
6. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
8. 8T-4244 M [1] NUT (M12X1.75-THD)  
9. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
10. 095-1573 [1] SEAL-O-RING  
11. 095-1578 [1] SEAL-O-RING  
12. 095-1584 [1] SEAL-O-RING  
13. 095-8024 [1] RING-BACKUP  
14. 225-4818 [4] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  225-4804 [1] PLUG  
15. 232-4113 [1] RING  
16. 171-0037 [1] VALVE  
17. 507-5975 [1] BODY-VALVE  
18. 507-5976 [1] ADJUSTER  
21. 518-1324 [1] PLUG  
22. 518-1325 [1] RETAINER-SPRING  
23. 518-1328 [1] COVER-PISTON  
24. 518-1329 B [1] SHIM (0.1-MM THK)  
25. 518-1330 B [1] SHIM (0.2-MM THK)  
26. 518-1331 [1] SPRING  
27. 518-1332 [1] PLUG  
28. 518-1333 [1] COVER-VALVE  
31. 577-2158 Y [1] SPOOL GP-VALVE  
32. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
33. 8T-6759 [8] PLUG-PIPE  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M01017930579
 

310-0165: VALVE GP-CONTROL

310-0165 VALVE GP-CONTROL
S/N RBY1-UP
PART OF 521-9737 LINES GP-FRONT
i06287739 M0101793
  For full view, you need register

Parts for your 349 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1R-6487 [1] PLUG AS  
2. 095-6622 [2] VALVE (LOAD CHECK)  
3. 095-6623 [2] SPRING  
4. 104-8130 [2] SEAT  
5. 132-7705 M [4] BOLT (M6X1X18-MM)  
6. 150-6339 [2] SEAL  
7. 200-4856 M [8] NUT (M8X1.25-THD)  
8. 200-4940 [2] CAP  
9. 200-4941 [2] SEAT  
10. 200-4942 [2] SPRING  
11. 201-0484 [1] PLUG  
12. 204-5951 [1] PLUG  
13. 468-7711 [1] VALVE AS-RELIEF  
14. 468-7714 [2] VALVE AS-RELIEF  
15. 095-1574 [1] SEAL-O-RING  
16. 095-1709 [1] SEAL-O-RING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  M   METRIC PART
 

Information:

Systems Operation
Control Valve (Boom Lowering)
349 and 352 Excavator Systems
Stick Drift Reduction Valve
349 and 352 Excavator Systems
Boom Drift Reduction Valve
349 and 352 Excavator Systems
Testing and Adjusting

Caterpillar Parts SIS Catalog 349 :

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