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3G3818 PILOT AND SPEED CONTROL VALVE GP 3G3816 & 3G3817-PAGE 155 & 8J4356-PAGE 156 PART OF 5C6684 & 8V8315 PILOT OPERATED HYDRAULIC CONTROL 235


HYDRAULIC SYSTEM
VALVE GP-CONTROL
VALVE GP-PILOT
VALVE GP-CONTROL
VALVE GP-PILOT
MISCELLANEOUS INFORMATION

EXCAVATOR 235 EXCAVATOR 83X
 235 EXCAVATOR 83X00444-UP (MACHINE) POWERED BY 3306 ENGINE HEBP1322 235 83X   (1979)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
VALVE GP
1U-3957 VALVE GP
VALVE GP-CONTROL
1U-3959 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-3818 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-3817 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-3816 VALVE GP-CONTROL
VALVE GP
9J-0775 VALVE GP
 

#HEBP13220450
 

3G-3818: VALVE GP-CONTROL

3G3818 PILOT AND SPEED CONTROL VALVE GP
3G3816 & 3G3817-PAGE 155 & 8J4356-PAGE 156
PART OF 5C6684 & 8V8315 PILOT OPERATED HYDRAULIC CONTROL
c228936 HEBP1322
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
 

#HEBP13220451
 

3G-7575: VALVE GP-PILOT

3G7575 PILOT VALVE GROUP
PART OF 5C6684 PILOT OPERATED HYDRAULIC CONTROL GROUP SHOWN ON PAGE 151
c180237 HEBP1322
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. 5P-9440 C [2] SEAL  
  C   INDICATES CHANGE
  H   USE AS REQUIRED
 

#HEBP13220452
 

3G-3817: VALVE GP-CONTROL

3G3817 SPEED CONTROL VALVE GROUP-L.H.
PART OF 3G3818 PILOT AND SPEED CONTROL VALVE GROUP SHOWN ON PAGE 154
c528364 HEBP1322
3G3817 VALVE GP-CONTROL Parts scheme
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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. 6V-8546 [1] SEAL-LIP TYPE  
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
 

#HEBP13220453
 

3G-3816: VALVE GP-CONTROL

3G3816 SPEED CONTROL VALVE GROUP-R.H.
PART OF 3G3818 PILOT AND SPEED CONTROL VALVE GROUP SHOWN ON PAGE 154
c528365 HEBP1322
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] SPACER  
3. 8J-4491 [1] BOLT  
4. 8J-4488 [1] COVER  
5. 8J-4492 [1] STEM  
6. 4M-6979 B [5] SHIM .127MM(.005IN)THK  
  4M-6980 B [5] SHIM .254MM(.010IN)THK  
7. 3G-3814 [1] VALVE GP (RH)  
8. 5J-8004 [1] SPRING  
9. 6V-8546 [1] SEAL-LIP TYPE  
10. 0L-1351 C [2] BOLT  
11. 3D-2992 [1] SEAL  
12. 4J-2506 [3] SEAL-O-RING  
13. 9S-8004 [1] PLUG-O-RING  
  3J-1907 [1] SEAL  
14. 8J-4486 [1] STEM  
15. 4B-9880 [1] BALL  
16. 9S-4191 C [2] PLUG-O-RING  
  3J-1907 C [2] SEAL  
17. 6F-4855 [3] SEAL-O-RING  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP13220454
 

9J-0387: VALVE GP-PILOT

9J387 PILOT VALVE GROUP-BOOM VENT
PART OF 3V1721 & 6W8627 LINES AND 7V9944 CONTROL
c213535 HEBP1322
9J0387 VALVE GP-PILOT Parts scheme
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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
 

#HEBP13220455
 

8J-4356: VALVE GP-PILOT

8J4356 PILOT VALVE GROUP
PART OF 3G3818 PILOT & SPEED CONTROL VALVE
c477921 HEBP1322
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. 6V-4345 [1] BOLT-12 POINT HEAD  
2. 1A-4790 [1] WASHER 1.67CM(.656IN)THK  
3. 5B-2113 [1] BEARING-NEEDLE  
4. 8J-4493 [1] SHAFT  
5. 1U-3931 [1] LEVER  
  1B-8702 [2] KEY-WOODRUFF  
6. 8J-4484 [4] RETAINER  
7. 8J-4482 [2] RETAINER  
8. 8J-4481 [2] SPRING (OUTER)  
9. 4D-3107 [2] SEAL-O-RING  
10. 0L-1351 C [14] BOLT  
11. 8J-4494 [1] COVER  
12. 8J-4480 [2] SPRING (INNER)  
13. 4D-0514 C [2] PLUG-PIPE  
14. 3G-5967 C [1] VALVE GP  
15. 7J-7673 [1] SEAL-LIP TYPE  
16. 1F-4503 [1] BEARING-NEEDLE  
17. 8J-4490 [1] GASKET  
18. 8J-4489 [1] COVER  
19. 6H-0190 [1] WASHER 1.98CM(.781IN)THK  
20. 5P-3108 C [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP13220456
 

4T-9980: VALVE GP-PILOT

4T9980 PILOT VALVE GROUP
SERIAL NO. 83X596-UP
PART OF 3V1721 LINES
c470315 HEBP1322
4T9980 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. 4T-9979 [1] VALVE GP  
2. 2M-9780 [3] SEAL-O-RING  
3. 9S-8006 [1] PLUG-O-RING  
4. 3F-8845 [1] SPRING  
5. 4B-9783 [1] BALL  
6. 6J-3134 [1] SEAL  
7. 8J-1751 [1] PLUG  
8. 8J-1752 [1] PLUNGER  
9. 5P-1404 [1] ADAPTER-O-RING  
 

#HEBP13220457
 

4T-9895: VALVE GP-PILOT

4T9895 PILOT VALVE GROUP
S/N 83X444 - 657
PART OF 6W3970 PILOT VALVES SERVICE AND 8V8315 HYDRAULIC CONTROL
c317861 HEBP1322
4T9895 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. 009-2061 [1] SEAL  
2. 8T-0116 [1] SEAL-O-RING  
3. 8T-0117 [1] SEAL-O-RING  
4. 4T-9982 [1] JOINT (UNIVERSAL)  
   
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
   
  4T-9983 [1] KIT (POPPET) (PORT 2)  
  4T-9984 [1] KIT (POPPET) (PORT 1, 3, OR 4)  
    (EACH KIT INCLUDES POPPET, SEALS, & GUIDE)
 

#HEBP13220458
 

9T-2630: VALVE GP-PILOT

9T2630 VALVE GP-PILOT
S/N 83X658-UP
PART OF 8V8315 PILOT OPERATED HYDRAULIC CONTROL
c338688 HEBP1322
9T2630 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. 9T-2836 [1] HOUSING  
2. 213-3574 [1] PLATE  
3. 9T-2632 [1] ADAPTER  
4. 208-5472 [1] KIT-PILOT VALVE (CONNECTOR JOINT)  
    (INCLUDES PLATE & JOINT)
    AVAILABLE REPAIR KIT(S):
  4T-9983 [1] KIT-POPPET (PORT #2)  
    (INCLUDES POPPET, SEALS, & GUIDE)
  4T-9984 [1] KIT-POPPET (PORT # 1, 3, & 4)  
    (INCLUDES POPPET, SEALS, & GUIDE)
  9T-2633 [1] KIT-SEAL (POPPET AS)  
    (INCLUDES SEALS)
  9T-2837 [1] KIT-SEAL (LOWER SECTION)  
    (INCLUDES PINS, O-RINGS, & BOLT)
  237-6294 H [3] KIT-VALVE REPAIR  
    (INCLUDES RETAINERS, SHIMS, SPRING)
  242-0812 J [1] REGULATING KIT  
    (INCLUDES RETAINERS, SHIMS, SPRING)
  H   FOR PORTS 1, 3, & 4
  J   FOR PORT 2
 

#HEBP13220459
 

6W-3970: SERVICE GP

6W3970 PILOT VALVES SERVICE GROUP-PART 1 OF 2-FIELD INSTALLTION
SERIAL NO. 83X444 TO 83X595 INCLUSIVE
HEBP13220459 HEBP1322
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
   
   
  4T-9895 Y [2] PILOT VALVE GROUP  
  9V-8312 [1] SUPPORT ASSEMBLY-LEFT  
   
    1 4H4063 PIN
    1 6K2198 BOSS
    1 3Y7829 BOSS
  9V-8304 [1] SUPPORT ASSEMBLY-RIGHT  
   
    1 6K2198 BOSS
  5M-2894 [4] WASHER  
  0L-1351 [4] BOLT  
  9V-8311 [1] TUBE-GRAB IRON  
  4V-6981 [16] SCREW  
  9V-8302 [1] COVER-LEFT  
  9V-8303 [1] COVER-RIGHT  
  9V-8832 [1] PANEL-LEFT  
  9V-8834 [1] PANEL-RIGHT  
  9V-8833 [1] PAN-LEFT  
  9V-8835 [1] PAN-RIGHT  
  3V-4694 [3] PLUG  
  5V-8321 [1] TAB  
  9F-9327 [1] SCREW  
  9F-8125 [1] LOCKWASHER  
  6V-9761 [1] FILM-LEFT CONSOLE  
  6V-9814 [1] FILM-LEFT CONSOLE  
  6V-9753 [1] FILM-LEFT CONSOLE  
  6V-9754 [1] FILM-RIGHT CONSOLE  
  6V-9755 [1] FILM-RIGHT CONSOLE  
  6V-9756 [1] FILM-LEFT CONSOLE  
  6V-9765 [1] FILM-RIGHT CONSOLE  
  8T-0213 [1] FILM  
  3B-1163 [2] WASHER  
  9V-9343 [1] LEVER ASSEMBLY  
  Y   SEPARATE ILLUSTRATION
 

Information:

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 Magazine
The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Parts SIS Catalog 235 :

VALVE GP-SELECTOR
1U-3958 VALVE GP-SELECTOR
VALVE GP-SELECTOR
8J-5880 VALVE GP-SELECTOR
VALVE GP-SELECTOR
9J-5447 VALVE GP-SELECTOR
8V-8315 CONTROL GP-PILOT OPERATED HYD
8V-8315 CONTROL GP-PILOT OPERATED HYD
8V-8315 CONTROL GP-PILOT OPERATED HYD
8V-8315 CONTROL GP-PILOT OPERATED HYD
8V-8315 CONTROL GP-PILOT OPERATED HYD
VALVE GP-PILOT
3G-7575 VALVE GP-PILOT
VALVE GP-CONTROL
3G-3817 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-3816 VALVE GP-CONTROL
VALVE GP-PILOT
9J-0387 VALVE GP-PILOT
VALVE GP-PILOT
8J-4356 VALVE GP-PILOT
VALVE GP-PILOT
4T-9980 VALVE GP-PILOT
VALVE GP-PILOT
4T-9895 VALVE GP-PILOT
VALVE GP-PILOT
9T-2630 VALVE GP-PILOT

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