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5C6684 PILOT OPERATED HYDRAULIC CONTROL GROUP--Part 6 of 7 Serial No. 83X402--Up. 3G7575 Valve parts are shown on Page 146 Refer to 3V1721 Pilot Lines and 8K2629 Pump Lines Groups shown on Pages 149, 150, 151 & 158 through 161 for continuance of hoses 235


OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
VALVE GP-SELECTOR
VALVE GP-PILOT
VALVE GP-CONTROL
VALVE GP-PILOT

EXCAVATOR 235 EXCAVATOR 83X
 235 EXCAVATOR 83X00001-00443 (MACHINE) POWERED BY 3306 ENGINE HEBP1217 235 83X   (1979)

OPERATOR STATION

CONTROL GP-HYDRAULIC
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
HEAD GP-PUMP CONTROL
8J-6899 HEAD GP-PUMP CONTROL
 

#HEBP12170270
 

5C-6684: CONTROL GP-PILOT OPERATED HYD

5C6684 PILOT OPERATED HYDRAULIC CONTROL GROUP--Part 6 of 7
Serial No. 83X402--Up. 3G7575 Valve parts are shown on Page 146
Refer to 3V1721 Pilot Lines and 8K2629 Pump Lines Groups shown on Pages 149,
150, 151 & 158 through 161 for continuance of hoses
c231492 HEBP1217
5C6684 CONTROL GP-PILOT OPERATED HYD Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3V-1974 [2] HANDLE ASSEM.  
  1D-5118 [2] NUT  
2. 3V-1979 [2] LEVER ASSEM.  
3. 030-7947 [6] ELBOW  
4. 3J-1907 [8] SEAL  
5. 2V-8569 [2] HOSE ASSEM. 54.60 cm(21.49 in.)  
6. 2V-8568 [1] HOSE ASSEM. 45.70 cm(17.99 in.)  
7. 2V-8863 [1] TUBE ASSEM.  
8. 2V-8862 [1] TUBE ASSEM.  
9. 2V-8859 [1] TUBE ASSEM.  
10. 2V-8861 [1] TUBE ASSEM.  
11. 9K-7157 [1] TUBE ASSEM.  
12. 2V-8904 [1] TUBE ASSEM.  
    (Each Includes)
13. 3R-4437 [2] NUT  
  3R-4463 [2] SLEEVE  
14. 2P-7215 [7] ELBOW  
15. 2H-4130 [7] WASHER  
16. [13] LOCKNUT  
17. 2P-1278 [6] UNION  
18. 4S-3652 [1] TEE  
19. 2V-8572 [4] HOSE ASSEM. 68.60 cm(27 in.)  
20. 030-7942 [2] ELBOW  
21. 5P-1075 [2] WASHER  
22. 8K-1943 [2] SPACER  
23. 8K-8607 [2] CLAMP  
  8K-8603 [2] STRIP  
24. 2V-8917 [2] SPACER  
25. 7M-2220 [1] CLIP  
26. 4B-9883 [6] BOLT  
27. 9M-1974 C [12] WASHER  
28. 3V-9748 [6] ROD END  
29. 3V-1973 [2] BOLT  
30. 3V-1972 [4] BEARING  
31. 3V-1976 [2] SUPPORT  
32. 3V-5026 [2] BOOT  
33. 0T-0065 C [6] BOLT  
34. 1D-4717 [2] NUT  
35. 5M-2894 C [2] WASHER  
36. 3G-7575 H [2] VALVE GROUP  
37. 7F-3425 [2] BOLT  
38. 7K-1181 [1] STRAP  
39. 4V-9156 [1] TUBE ASSEM.  
40. 4V-9157 [1] TUBE ASSEM.  
  C   INDICATES CHANGE
  H   SEPARATE ILLUSTRATION
 

#HEBP12170271
 

5C-6684: CONTROL GP-PILOT OPERATED HYD

5C6684 PILOT OPERATED HYDRAULIC CONTROL GROUP--Part 7 of 7
Serial No. 83X402--Up
Refer to 3V1721 Pilot Lines and 8K2629 Pump Lines Group shown on Pages 149,
150, 151 & 158 through 161 for continuance of hoses
c226046 HEBP1217
5C6684 CONTROL GP-PILOT OPERATED HYD Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-7947 [6] ELBOW  
2. 3J-1907 [6] SEAL  
3. 2V-8572 [2] HOSE ASSEM. 68.60 cm(27 in.)  
4. 2V-8865 [1] TUBE ASSEM.  
5. 2V-8864 [1] TUBE ASSEM.  
    (Each Includes)
6. 3R-4437 [2] NUT  
  3R-4463 [2] SLEEVE  
7. 2P-7215 [4] ELBOW  
8. 2H-4130 [4] WASHER  
9. 2P-1279 [8] LOCKNUT  
10. 2V-8899 [1] TUBE ASSEM.  
11. 2P-1278 [4] UNION  
12. 2P-1283 [1] UNION  
  6K-8420 [1] LOCKNUT  
13. 2V-8860 [1] TUBE ASSEM.  
14. 2V-8858 [1] TUBE ASSEM.  
    (Each Includes)
15. 3R-4437 [1] NUT  
  3R-4463 [2] SLEEVE  
16. 2V-8569 [2] HOSE ASSEM. 54.60 cm(21.49 in.)  
17. 3R-9704 [1] ELBOW  
18. 2V-8903 [1] TUBE ASSEM.  
    (Includes)
19. 3R-4437 [2] NUT  
  3R-4463 [2] SLEEVE  
20. 2R-6806 [2] CONNECTOR  
21. 2V-8907 [1] TUBE ASSEM.  
22. 2V-8905 [1] TUBE ASSEM.  
23. 2V-8906 [1] TUBE ASSEM.  
24. 2V-8866 [1] TUBE ASSEM.  
    (Each Includes)
25. 3R-4437 [2] NUT  
  3R-4463 [2] SLEEVE  
26. 4S-3652 [1] TEE  
 

#HEBP12170272
 

8J-5880: VALVE GP-SELECTOR

8J5880 SELECTOR VALVE GROUP--Pump
Part of 5C6684 Pilot Operated Hydraulic Control Group shown on Pages 140, 144C
& 144K
c118936 HEBP1217
8J5880 VALVE GP-SELECTOR Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-5877 [1] VALVE GROUP  
2. 3J-4407 [1] SEAL  
3. 8J-5878 [1] COVER  
4. 0S-1618 [4] BOLT  
5. 3B-4505 [5] LOCKWASHER  
6. 5F-9657 [1] SEAL  
7. 0S-1617 [1] BOLT  
8. 8J-5879 [1] RETAINER  
9. 7F-9802 [1] SPRING  
 

#HEBP12170273
 

9J-5447: VALVE GP-SELECTOR

9J5447 SELECTOR VALVE GROUP--Safety
Part of 5C6684 Pilot Operated Hydraulic Control Group shown on
Pages 141, 144D & 144L
c213690 HEBP1217
9J5447 VALVE GP-SELECTOR Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-4181 [1] PLUG  
2. 7M-8485 [1] SEAL  
3. 8J-8638 [1] BOLT  
4. 3B-4506 [1] LOCKWASHER  
5. 3K-0925 C [1] SPACER  
6. 9J-5446 [1] VALVE GROUP  
    (Includes)
7. 4K-4114 [1] SEAL  
8. 7F-8607 [2] SEAL  
9. 4J-1184 [2] PLUG ASSEM.  
    (Each Includes)
10. 3J-7810 [1] SPRING  
11. 4B-9783 [1] BALL  
  C   INDICATES CHANGE
 

#HEBP12170274
 

3G-7575: VALVE GP-PILOT

3G7575 PILOT VALVE GROUP
Part of 5C6684 Pilot Operated Hydraulic Control Group shown on Pages 143, 144F
& 144N
c218429 HEBP1217
3G7575 VALVE GP-PILOT Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2M-9780 [3] SEAL  
2. 9S-8006 [3] PLUG  
3. 9S-8002 [3] PLUG  
4. 3J-7354 [3] SEAL  
5. 9J-7893 [8] RETAINER  
6. 9S-8004 [3] PLUG  
  3J-1907 [3] SEAL  
7. 3B-1915 [2] BOLT  
8. 3G-7578 [1] COVER  
9. 5F-9657 [2] SEAL  
10. 9J-7895 H [4] SHIM 0.39 mm(.015 in.) thick  
  9J-7896 H [4] SHIM 0.51 mm(.020 in.) thick  
  3G-5941 H [4] SHIM 0.45 mm(.0175 in.) thick  
11. 9J-7148 [2] SPRING (inner)  
12. 9J-7147 [2] SPRING (outer)  
13. 9J-7894 [4] RETAINER  
14. 3J-4407 [2] SEAL  
  H   USE AS REQUIRED
 

#HEBP12170275
 

3G-3818: VALVE GP-CONTROL

3G3818 PILOT AND SPEED CONTROL VALVE GROUP
Part of 5C6684 Pilot Operated Hydraulic Control Group shown on Pages 139, 144B
& 144J. 3G3816, 3G3817 & 8J4356 Valve parts are shown on Pages 147 & 148
c228936 HEBP1217
3G3818 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-3817 Y [1] VALVE GP-CONTROL (LH)  
2. 8J-4356 Y [1] VALVE GP-PILOT  
3. 3G-3816 Y [1] VALVE GP-CONTROL (RH)  
4. 0L-1352 [4] BOLT  
5. 9S-4191 [2] PLUG-O-RING  
  3J-1907 [2] SEAL  
6. 0T-0065 C [4] BOLT  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#HEBP12170276
 

3G-3816: VALVE GP-CONTROL

3G3816 SPEED CONTROL VALVE GROUP--R.H.
Part of 3G3818 Pilot and Speed Control Valve Group shown on Page 146
c228939 HEBP1217
3G3816 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1K-4476 [1] SPRING  
2. 2S-4434 [1] RETAINER  
3. 8J-4491 [1] BOLT  
4. 8J-4488 [1] COVER  
5. 8J-4492 [1] STEM  
6. 4M-6979 H [5] SHIM .127 mm(.005 in.)  
  4M-6980 H [5] SHIM .254 mm(.010 in.)  
7. 3G-3814 [1] VALVE GROUP (R.H.)  
    (Includes)
8. 5J-8004 [1] SPRING  
9. 006-8011 [1] SEAL  
10. 0L-1351 C [2] BOLT  
11. 3D-2992 [1] SEAL  
12. 4J-2506 [3] SEAL  
13. 9S-8004 [1] PLUG  
  3J-1907 [1] SEAL  
14. 8J-4486 [1] STEM  
15. 4B-9880 [1] BALL  
16. 9S-8001 [2] PLUG  
  4J-7533 [2] SEAL  
17. 6F-4855 [3] SEAL  
  C   INDICATES CHANGE
  H   USE AS REQUIRED
 

#HEBP12170277
 

3G-3817: VALVE GP-CONTROL

3G3817 SPEED CONTROL VALVE GROUP--L.H.
Part of 3G3818 Pilot and Speed Control Valve Group shown on Page 146
c228938 HEBP1217
3G3817 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1K-4476 [1] SPRING  
2. 2S-4434 [1] SPACER  
3. 8J-4491 [1] BOLT  
4. 4J-2506 C [2] SEAL-O-RING  
5. 8J-4492 [1] STEM  
6. 3G-3815 [1] VALVE GP  
7. 5J-8004 [1] SPRING  
8. 006-8011 [1] SEAL  
9. 6F-4855 C [5] SEAL-O-RING  
10. 9S-8004 [1] PLUG-O-RING  
  3J-1907 [1] SEAL  
11. 8J-4488 [1] COVER  
12. 0L-1351 C [2] BOLT  
13. 3D-2992 [1] SEAL  
14. 4M-6979 B [5] SHIM .127MM(.005IN)  
  4M-6980 B [5] SHIM .254MM(.010IN)  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP12170278
 

8J-4356: VALVE GP-PILOT

8J4356 PILOT VALVE GROUP--Direction
Serial No. 83X1 to 83X405 inclusive
Part of 3G3818 Pilot and Speed Control Valve Group shown on Page 146
c211158 HEBP1217
8J4356 VALVE GP-PILOT Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 C [1] BOLT  
2. 1A-4790 C [1] WASHER 1.67 cm(.656 in.) thick  
3. 5B-2113 [1] BEARING  
4. 8J-4493 [1] SHAFT  
5. 9J-5387 C [1] LEVER  
  1B-8702 [2] KEY  
6. 8J-4484 [4] RETAINER  
7. 8J-4482 [2] RETAINER  
8. 8J-4481 [2] SPRING (Outer)  
9. 4D-3107 [2] SEAL  
10. 0S-1594 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
11. 8J-4494 [1] COVER  
12. 8J-4480 [2] SPRING (Inner)  
13. 4D-0514 [2] PLUG  
14. 8J-4355 [1] VALVE GROUP  
15. 7J-7673 C [1] SEAL  
16. 1F-4503 [1] BEARING  
17. 8J-4490 [1] GASKET  
18. 8J-4489 [1] COVER  
19. 6H-0190 C [1] WASHER 1.98 cm(.781 in.) thick  
  C   INDICATES CHANGE
 

#HEBP12170279
 

9J-0387: VALVE GP-PILOT

9J387 PILOT VALVE GROUP--Boom Vent
Part of 3V1721 Pivot Lines Group shown on Page 151
c213535 HEBP1217
9J0387 VALVE GP-PILOT Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-0385 C [1] VALVE GROUP  
2. 2M-9780 [3] SEAL  
3. 9S-8006 [1] PLUG  
4. 3F-8845 C [1] SPRING  
5. 4B-9783 C [1] BALL  
6. 6J-3134 C [1] SEAL  
7. 8J-1751 C [1] PLUG  
8. 8J-1752 C [1] PLUNGER  
9. 5P-1404 C [1] ADAPTER  
  C   INDICATES CHANGE
 

Information:

Caterpillar Parts SIS Catalog 235 :

CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
CONTROL GP-PILOT OPERATED HYD
5C-6684 CONTROL GP-PILOT OPERATED HYD
VALVE GP-SELECTOR
8J-5880 VALVE GP-SELECTOR
VALVE GP-SELECTOR
9J-5447 VALVE GP-SELECTOR
VALVE GP-PILOT
3G-7575 VALVE GP-PILOT
VALVE GP-CONTROL
3G-3818 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-3816 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-3817 VALVE GP-CONTROL
VALVE GP-PILOT
8J-4356 VALVE GP-PILOT

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