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161-7273 VALVE GP-CHECK S/N 2SW1-UP PART OF 155-3729, 198-7607 LINES GP-STICK AN ATTACHMENT 345B L EXCAVATOR


HYDRAULIC SYSTEM
VALVE GP-CHECK
VALVE GP-CHECK & RELIEF
VALVE GP-CONTROL

EXCAVATOR 345B L EXCAVATOR 2SW
 345B, 345B L & 345B LC Excavator 2SW00001-UP (MACHINE) POWERED BY 3176C Engine SEBP2754 345B L 2SW   (1998)

HYDRAULIC SYSTEM

VALVE GP-CHECK
VALVE GP-CHECK
123-2513 VALVE GP-CHECK
VALVE GP-CHECK
140-0685 VALVE GP-CHECK
VALVE GP-CHECK
161-7273 VALVE GP-CHECK
VALVE GP-CHECK
173-4405 VALVE GP-CHECK
VALVE GP-CHECK
185-0384 VALVE GP-CHECK
VALVE GP-CHECK
198-5869 VALVE GP-CHECK
 

#SEBP27540710
 

161-7273: VALVE GP-CHECK

161-7273 VALVE GP-CHECK
S/N 2SW1-UP
PART OF 155-3729, 198-7607 LINES GP-STICK
AN ATTACHMENT
i01063332 SEBP2754
1617273 VALVE GP-CHECK Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 151-7681 [1] PLUG  
2. 3J-1907 [1] SEAL-O-RING  
3. 163-3087 [1] KIT-SEAL  
4. 163-3851 [1] VALVE GP-CHECK  
5. 184-4879 [1] PLUG-ORIFICE  
6. 9S-8001 [2] PLUG  
7. 4J-7533 [2] SEAL-O-RING  
 

#SEBP27540711
 

173-4405: VALVE GP-CHECK

173-4405 VALVE GP-CHECK
S/N BFG1-UP; 7KS1-UP; 2SW1-UP
PART OF 173-8259, 188-0923 LINES GP-PILOT
AN ATTACHMENT
i01130553 SEBP2754
1734405 VALVE GP-CHECK Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 123-2511 [1] TEE  
2. 4B-9783 [1] BALL  
3. 172-7594 [1] CONNECTOR  
4. 3J-1907 [2] SEAL-O-RING  
5. 3T-9836 [1] SPRING  
6. 3G-3250 [1] PLUG  
 

#SEBP27540712
 

185-0384: VALVE GP-CHECK

185-0384 VALVE GP-CHECK
S/N BFG1-UP; 7KS1-UP; 2SW1-UP
PART OF 128-7441 LINES GP-RETURN & FILTER
i01369642 SEBP2754
1850384 VALVE GP-CHECK Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] BODY  
2. 185-0386 [1] VALVE AS  
3. 185-0387 [1] RING-RETAINING  
4. 131-5885 [1] COVER  
5. 095-1610 [1] SEAL-O-RING  
6. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
7. 8T-4956 M [2] BOLT (M12X1.75X35-MM)  
  M   METRIC PART
 

#SEBP27540713
 

198-5869: VALVE GP-CHECK

198-5869 VALVE GP-CHECK
S/N BFG1-UP; 7KS1-UP; 2SW1-UP
PART OF 198-5867 VALVE GP-PILOT
AN ATTACHMENT
i01499426 SEBP2754
1985869 VALVE GP-CHECK Parts scheme
  For full view, you need register

Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-6759 [2] PLUG-PIPE  
2. 3J-1907 [1] SEAL-O-RING  
3. 1R-7495 M [1] SETSCREW-SOCKET (M4X0.7X5-MM)  
4. 4I-8965 [1] GUIDE  
5. 5I-8511 [1] SPRING  
6. 9S-8005 [1] PLUG (3/4-16-THD)  
7. 3K-0360 [1] SEAL-O-RING  
8. 107-6944 [1] PLUG  
  M   METRIC PART
 

#SEBP27540714
 

9T-3096: VALVE GP-CHECK

9T-3096 VALVE GP-CHECK
S/N BFG1-UP; 2SW1-UP
PART OF 157-2104, 186-5794 LINES GP-PILOT
AN ATTACHMENT
i01599026 SEBP2754
  For full view, you need register

Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] VALVE GP-CHECK  
  3J-1907 [1] SEAL-O-RING  
 

#SEBP27540715
 

155-3872: VALVE GP-CHECK & RELIEF

155-3872 VALVE GP-CHECK & RELIEF
S/N BFG1-UP; 2SW1-UP
PART OF 161-8535 LINES GP-BOOM
AN ATTACHMENT
i01154968 SEBP2754
  For full view, you need register

Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  151-7240 [1] KIT-SEAL (LOAD CONTROL VALVE)  
  142-9956 [1] KIT  
  151-7681 [1] PLUG  
  151-7680 [1] PLUG-ORIFICE  
  142-9952 [1] VALVE GP-CHECK  
  142-9951 [1] VALVE GP-RELIEF  
 

#SEBP27540716
 

156-9507: VALVE GP-CHECK & RELIEF

156-9507 VALVE GP-CHECK & RELIEF
S/N 7KS1-UP; 2SW1-UP
PART OF 152-8862 VALVE GP-COUPLER
AN ATTACHMENT
i00946002 SEBP2754
1569507 VALVE GP-CHECK & RELIEF Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-4776 [2] RING-BACKUP  
2. 6V-8398 [1] SEAL-O-RING  
3. 095-1751 [1] SEAL-O-RING  
4. 6V-3505 [1] RING-BACKUP  
5. 2M-9780 [1] SEAL-O-RING  
 

#SEBP27540717
 

122-7761: VALVE GP-CONTROL

122-7761 VALVE GP-CONTROL
S/N 7KS1-UP; 2SW1-UP
PART OF 122-7760 VALVE GP-MAIN CONTROL
Type 1
i00742241 SEBP2754
1227761 VALVE GP-CONTROL Parts scheme 1227761 VALVE GP-CONTROL Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-2550 M [8] BOLT (M12X1.75X110-MM)  
2. 8T-4223 [20] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 122-7787 [5] COVER  
4. 8T-5041 M [2] BOLT (M12X1.75X120-MM)  
5. 8T-4174 M [2] BOLT (M16X2X120-MM)  
6. 7X-2475 M [2] BOLT (M16X2X130-MM)  
7. 9X-8257 [4] WASHER (17.5X30X3.5-MM THK)  
8. 153-5233 Y [1] VALVE GP-LOAD CONTROL  
9. 122-7763 Y [1] VALVE GP-CONTROL  
10. 8T-4956 M [10] BOLT (M12X1.75X35-MM)  
11. 122-7663 [4] COVER  
12. 111-9959 [1] PLUG-PIPE  
13. 122-7785 [1] COVER  
14. 8T-6759 [2] PLUG-PIPE  
15. 122-7765 [2] PLUG-PIPE  
16. 122-7660 Y [4] VALVE GP-RELIEF  
17. 4J-0525 [5] SEAL-O-RING  
18. 122-7756 Y [1] VALVE GP-RELIEF (NEGATIVE FLOW CONTROL)  
19. 147-4299 [2] SPRING  
20. 147-4297 [2] VALVE  
21. 147-4301 [2] PLUG  
22. 122-7666 [3] SPRING  
23. 2S-4078 [6] SEAL-O-RING  
24. 122-7683 [3] PLUG  
25. 122-7682 [3] VALVE  
26. 122-7768 [2] PLUG GP-CONTROL VALVE  
    (EACH INCLUDES)
  5J-2974 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  122-7767 [1] RING  
27. 9S-4191 [1] PLUG (9/16-18-THD)  
28. 3J-1907 [1] SEAL-O-RING  
29. 4J-5309 [2] SEAL-O-RING  
30. 5P-2568 [1] SEAL-O-RING  
31. 122-7720 [1] ADAPTER  
32. 9S-6130 [1] PLUG  
33. 4J-0526 [5] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540718
 

122-7761: VALVE GP-CONTROL

122-7761 VALVE GP-CONTROL
S/N 7KS1-UP; 2SW1-UP
PART OF 122-7760 VALVE GP-MAIN CONTROL
Type 2
i01165146 SEBP2754
1227761 VALVE GP-CONTROL Parts scheme 1227761 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-2550 M [8] BOLT (M12X1.75X110-MM)  
2. 8T-4223 [20] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 122-7787 [5] COVER  
4. 8T-5041 M [2] BOLT (M12X1.75X120-MM)  
5. 8T-4174 M [2] BOLT (M16X2X120-MM)  
6. 7X-2475 M [2] BOLT (M16X2X130-MM)  
7. 9X-8257 [4] WASHER (17.5X30X3.5-MM THK)  
8. 153-5233 Y [1] VALVE GP-LOAD CONTROL  
9. 165-9586 Y [1] VALVE GP-CONTROL (WITHOUT COVERS, HOUSINGS)  
10. 8T-4956 M [10] BOLT (M12X1.75X35-MM)  
11. 122-7663 [4] COVER  
12. 111-9959 [1] PLUG-PIPE  
13. 122-7785 [1] COVER  
14. 8T-6759 [2] PLUG-PIPE  
15. 122-7765 [2] PLUG-PIPE  
16. 122-7660 Y [4] VALVE GP-RELIEF  
17. 4J-0525 [5] SEAL-O-RING  
18. 122-7756 Y [1] VALVE GP-RELIEF (NEGATIVE FLOW CONTROL)  
19. 147-4299 [2] SPRING  
20. 147-4297 [2] VALVE  
21. 147-4301 [2] PLUG  
22. 122-7666 [3] SPRING  
23. 2S-4078 [6] SEAL-O-RING  
24. 122-7683 [3] PLUG  
25. 122-7682 [3] VALVE  
26. 122-7768 [2] PLUG GP-CONTROL VALVE  
    (EACH INCLUDES)
  5J-2974 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  122-7767 [1] RING  
27. 9S-4191 [1] PLUG (9/16-18-THD)  
28. 3J-1907 [1] SEAL-O-RING  
29. 4J-5309 [2] SEAL-O-RING  
30. 5P-2568 [1] SEAL-O-RING  
31. 122-7720 [1] ADAPTER  
32. 9S-6130 [1] PLUG  
33. 4J-0526 [5] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540719
 

122-7762: VALVE GP-CONTROL

122-7762 VALVE GP-CONTROL
S/N 7KS1-UP; 2SW1-UP
PART OF 122-7760, 140-0678, 173-9557 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i00677503 SEBP2754
1227762 VALVE GP-CONTROL Parts scheme 1227762 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-5041 M [2] BOLT (M12X1.75X120-MM)  
2. 8T-4223 [18] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 122-7787 [3] COVER  
4. 7X-2550 M [6] BOLT (M12X1.75X110-MM)  
5. 153-5233 Y [1] VALVE GP-LOAD CONTROL  
6. 8T-4174 M [2] BOLT (M16X2X120-MM)  
7. 9X-8257 [4] WASHER (17.5X30X3.5-MM THK)  
8. 7X-2475 M [2] BOLT (M16X2X130-MM)  
9. 122-7764 Y [1] VALVE GP-CONTROL (WITHOUT COVERS, HOUSINGS)  
10. 8T-4956 M [8] BOLT (M12X1.75X35-MM)  
11. 8T-6868 M [2] BOLT (M12X1.75X80-MM)  
12. 111-9959 [1] PLUG-PIPE  
13. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
14. 085-8091 M [4] BOLT (M10X1.5X55-MM)  
15. 122-7663 [4] COVER  
16. 8T-6759 [3] PLUG-PIPE  
17. 131-5675 [1] COVER  
18. 131-5936 [1] PLUG  
19. 2S-4078 [3] SEAL-O-RING  
20. 7X-2621 M [1] BOLT (M10X1.5X12-MM)  
21. 3D-2824 [1] SEAL-O-RING  
23. 129-7942 [1] SPRING  
24. 123-2610 [1] SPACER-SPECIAL  
25. 4J-0525 [4] SEAL-O-RING  
26. 123-2564 [1] PLUG  
27. 131-5935 [1] SPRING  
28. 147-4297 [3] VALVE  
29. 122-7797 [2] RING  
30. 6V-5326 [2] SEAL-O-RING  
31. 147-4298 [2] PLUG  
32. 147-4299 [3] SPRING  
33. 5P-2568 [1] SEAL-O-RING  
34. 4J-5309 [3] SEAL-O-RING  
35. 122-7720 [1] ADAPTER  
36. 122-7675 [1] SLEEVE  
37. 9S-6130 [1] PLUG  
38. 122-7682 [1] VALVE  
39. 122-7666 [1] SPRING  
40. 122-7683 [1] PLUG  
41. 122-7660 Y [2] VALVE GP-RELIEF  
42. 122-7678 [1] SLEEVE  
43. 122-7719 [1] SPRING  
44. 122-7676 [1] PILOT  
45. 122-7788 [1] FLANGE  
46. 6V-1250 [1] SEAL-O-RING  
47. 122-7677 [1] VALVE  
48. 7M-8485 [1] SEAL-O-RING  
49. 147-4300 [1] PLUG  
50. 122-7750 Y [1] VALVE GP-RELIEF (NEGATIVE FLOW CONTROL)  
51. 122-7690 Y [1] VALVE GP-CHECK  
52. 4J-0527 [1] SEAL-O-RING  
53. 140-0672 Y [1] VALVE GP-REGENERATION (REGENERATION)  
54. 123-2607 [1] VALVE GP  
55. 8T-6757 [1] PLUG-PIPE  
56. 3J-1907 [1] SEAL-O-RING  
57. 122-7789 [1] COVER  
58. 6K-6307 [1] SEAL-O-RING  
59. 122-7712 [1] PLUG  
60. 122-7714 [1] SPRING  
61. 122-7848 [1] PLUG  
62. 122-7716 [1] SLEEVE  
63. 9S-4191 [1] PLUG (9/16-18-THD)  
64. 4J-0526 [4] SEAL-O-RING  
65. 4J-7533 [2] SEAL-O-RING  
66. 9S-8001 [2] PLUG  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Check Valve (Boom Drift Reduction)
345B Excavator and 345B Material Handler Machine System Specifications
Check Valve (Stick Drift Reduction)
345B Excavator and 345B Material Handler Machine System Specifications
Check Valve (Fan Drive Motor)
345B Excavator and 345B Material Handler Machine System Specifications
Systems Operation
Check Valve (Return Makeup)
345B Excavator Hydraulic System
Check Valve (Load)
345B Excavator Hydraulic System
Disassembly and Assembly
Check Valve (Counterweight Circuit) - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Check Valve (Counterweight Circuit) - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Check Valve (Counterweight Circuit) - Disassemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Check Valve (Counterweight Circuit) - Assemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Check Valve (Slow Return) - Remove and Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Service Magazine
A New Boom Lowering Check Valve Is Used in the Boom Lines {5067, 5147}
2000/03/27

Caterpillar Parts SIS Catalog 345B L :

VALVE GP-CHECK
140-0685 VALVE GP-CHECK
VALVE GP-CHECK
123-2513 VALVE GP-CHECK
VALVE GP-CHECK
123-2457 VALVE GP-CHECK
VALVE GP-CHECK
122-7690 VALVE GP-CHECK
VALVE GP-CHECK
112-9764 VALVE GP-CHECK
VALVE GP-AUXILIARY MANIFOLD
144-3613 VALVE GP-AUXILIARY MANIFOLD
VALVE GP-AUXILIARY
175-6947 VALVE GP-AUXILIARY
VALVE GP
329-7252 VALVE GP
VALVE GP-CHECK
173-4405 VALVE GP-CHECK
VALVE GP-CHECK
185-0384 VALVE GP-CHECK
VALVE GP-CHECK
198-5869 VALVE GP-CHECK
9T-3096 VALVE GP-CHECK
155-3872 VALVE GP-CHECK & RELIEF
VALVE GP-CHECK & RELIEF
156-9507 VALVE GP-CHECK & RELIEF
VALVE GP-CONTROL
122-7761 VALVE GP-CONTROL
VALVE GP-CONTROL
122-7761 VALVE GP-CONTROL

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