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155-2268 VALVE GP-CONTROL -AUXILIARY S/N BXY1-UP PART OF 291-8508 VALVE GP-MAIN CONTROL 988H WHEEL LOADER


HYDRAULIC SYSTEM
VALVE GP-CONTROL
VALVE GP-HYDRAULIC FAN
VALVE GP-CONTROL

WHEEL LOADER 988H WHEEL LOADER BXY
 988H Wheel Loader BXY00001-UP (MACHINE) POWERED BY C18 Engine SEBP3906 988H BXY   (2004)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
VALVE & MTG GP-MAIN CONTROL
315-8830 VALVE & MTG GP-MAIN CONTROL
VALVE & MTG GP-MAIN CONTROL
315-8830 VALVE & MTG GP-MAIN CONTROL
VALVE GP-CONTROL
155-2268 VALVE GP-CONTROL
VALVE GP-CONTROL
222-4436 VALVE GP-CONTROL
VALVE GP-CONTROL
222-4436 VALVE GP-CONTROL
VALVE GP-CONTROL
318-2925 VALVE GP-CONTROL
 

#SEBP39061250
 

155-2268: VALVE GP-CONTROL

155-2268 VALVE GP-CONTROL -AUXILIARY
S/N BXY1-UP
PART OF 291-8508 VALVE GP-MAIN CONTROL
i05680269 SEBP3906
1552268 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 217-6719 Y [1] ACTUATOR GP-PILOT CONTROL  
2. 155-2291 [1] HOUSING  
3. 423-7705 CY [1] VALVE GP-RELIEF (ROD END)  
3A. 423-7705 CY [1] VALVE GP-RELIEF (HEAD END)  
4. 102-4158 [1] PLUG AS  
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
5. 2S-4078 [1] SEAL-O-RING  
6. 102-4156 [1] VALVE-CONTROL (LOAD CHECK)  
7. 9L-9188 [1] SPRING-VALVE  
8. 1H-5728 [1] SEAL-O-RING  
9. 113-8263 [1] PISTON  
10. 366-4695 C [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  360-3679 [1] PLUG-CONNECTOR (9/16-18-THD)  
11. 3J-1907 C [2] SEAL-O-RING  
12. 165-5085 M [6] BOLT-SOCKET HEAD (M12X1.75X160-MM)  
13. 7X-2546 M [2] BOLT (M10X1.5X180-MM)  
14. 9R-5008 [8] SPACER (11X20X6-MM THK)  
15. 8T-5436 M [2] BOLT (M10X1.5X130-MM)  
16. 6V-3965 [2] FITTING (QUICK DISCONNECT)  
17. 6V-0852 [2] CAP-DUST  
18. 2J-6274 [2] SEAL-O-RING  
19. 367-6002 C [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3677 [1] PLUG (7/16-20-THD)  
21. 5P-8077 [4] FLANGE-HALF  
22. 8T-4140 M [8] BOLT (M16X2X60-MM)  
23. 8T-4122 [8] WASHER-HARD (17X32X3.5-MM THK)  
24. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
25. 7J-1592 [1] COVER  
26. 4B-4158 [2] SCREW-DRIVE (NO 4X0.25-IN)  
27. 5K-6816 [1] CLIP  
28. 217-6720 Y [1] ACTUATOR GP-PILOT CONTROL  
29. 354-9131 C [1] VALVE GP-CONTROL  
30. 8L-6565 C [2] PIN-SPRING  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061251
 

222-4436: VALVE GP-CONTROL

222-4436 VALVE GP-CONTROL
S/N BXY4000-4078
PART OF 315-8815 VALVE & MTG GP-MAIN CONTROL
i03761145 SEBP3906
2224436 VALVE GP-CONTROL Parts scheme 2224436 VALVE GP-CONTROL Parts scheme 2224436 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 217-6719 Y [2] ACTUATOR GP-PILOT CONTROL  
2. 217-6720 Y [2] ACTUATOR GP-PILOT CONTROL  
3. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
4. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)  
5. 4T-5896 Y [1] VALVE GP-CHECK  
6. 6E-1291 [1] VALVE-CONTROL  
7. 6V-0852 [1] CAP-DUST  
8. 7J-7852 [1] SPRING  
9. 9L-9188 [2] SPRING-VALVE  
10. 102-4156 [2] VALVE-CONTROL  
11. 102-4158 [2] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
12. 112-8244 [1] HOUSING  
13. 113-8263 [2] PISTON  
14. 117-0160 Y [1] VALVE GP-RELIEF (LINE RELIEF, TILT CYL HEAD END)  
15. 129-8293 Y [1] VALVE GP-RELIEF (LINE RELIEF, LIFT CYL ROD END)  
16. 185-1897 Y [1] VALVE GP-PRESSURE REDUCING  
17. 203-8482 [1] MANIFOLD  
22. 334-0895 [1] VALVE GP-RELIEF (LINE RELIEF, TILT CYL ROD END)  
  2S-4078 [1] SEAL-O-RING  
23. 334-8332 Y [1] VALVE GP-RELIEF  
24. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
25. 144-0221 Y [1] VALVE GP-RELIEF (LINE RELIEF, LIFT CYL HEAD END)  
26. 148-8406 [3] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
27. 148-8407 [8] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
28. 155-3624 [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-4182 [1] PLUG (7/16-20-THD)  
29. 162-0177 [4] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
30. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
31. 173-3993 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  9S-8001 [1] PLUG  
32. 183-7263 [6] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
33. 1H-5728 [6] SEAL-O-RING  
34. 1P-3705 [1] SEAL-RECTANGULAR  
35. 207-8218 [6] PLUG AS  
    (EACH INCLUDES)
  7J-0204 [1] SEAL-O-RING  
  9S-8007 [1] PLUG  
36. 222-4737 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  9S-4180 [1] PLUG  
37. 2J-6274 [4] SEAL-O-RING  
38. 2S-4078 [2] SEAL-O-RING  
39. 4J-0523 [1] SEAL-O-RING  
40. 4J-0525 [1] SEAL-O-RING  
41. 6V-3668 M [2] BOLT (M12X1.75X30-MM)  
42. 7X-2546 M [4] BOLT (M10X1.5X180-MM)  
43. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
44. 8L-6565 [4] PIN-SPRING  
45. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
46. 8T-5436 M [4] BOLT (M10X1.5X130-MM)  
47. 8W-2966 [1] COVER  
48. 9R-5008 [8] SPACER (11X20X6-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  155-2270 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS & WEDGE)
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061252
 

222-4436: VALVE GP-CONTROL

222-4436 VALVE GP-CONTROL
S/N BXY4079-UP
PART OF 315-8815 VALVE & MTG GP-MAIN CONTROL
i04311454 SEBP3906
2224436 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 217-6719 Y [2] ACTUATOR GP-PILOT CONTROL (TILT DUMP)  
2. 217-6720 Y [2] ACTUATOR GP-PILOT CONTROL (TILT BACK)  
3. 1H-5728 [2] SEAL-O-RING  
4. 1P-3705 [1] SEAL-RECTANGULAR  
5. 2J-6274 [4] SEAL-O-RING  
6. 2S-4078 [2] SEAL-O-RING  
7. 4J-0523 [2] SEAL-O-RING  
8. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)  
9. 4T-5896 Y [1] VALVE GP-CHECK  
10. 6E-1291 [1] VALVE-CONTROL  
11. 7J-1592 [1] COVER  
12. 7J-7852 [1] SPRING  
13. 9L-9188 [2] SPRING-VALVE  
14. 102-4156 [2] VALVE-CONTROL  
15. 102-4158 [2] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
16. 112-8244 [1] HOUSING  
17. 113-8263 [2] PISTON  
18. 148-8406 [3] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
19. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
20. 203-8482 [1] MANIFOLD  
22. 225-4820 [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  225-4821 [1] PLUG  
23. 334-8332 Y [1] VALVE GP-RELIEF (PILOT OPERATED)  
24. 354-9151 [1] VALVE GP-CONTROL  
25. 366-4694 [2] PLUG AS  
    (EACH INCLUDES)
  7J-0204 [1] SEAL-O-RING  
  360-3676 [1] PLUG  
26. 366-4695 [2] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3679 [1] PLUG-CONNECTOR (9/16-18-THD)  
27. 366-4696 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  [1] PLUG (5/16-24-THD)  
28. 366-4698 [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3690 [1] PLUG (7/16-20-THD)  
29. 366-4699 [6] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3692 [1] PLUG  
30. 367-6001 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  360-3675 [1] PLUG (5/16-24-THD)  
31. 367-6002 [4] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3677 [1] PLUG (7/16-20-THD)  
33. 370-0438 Y [1] VALVE GP-PRESSURE REDUCING  
34. 423-7704 Y [1] VALVE GP-RELIEF (TILT CYLINDER HEAD END)  
35. 423-7709 Y [1] VALVE GP-RELIEF (LIFT CYLINDER HEAD END)  
36. 423-7711 Y [1] VALVE GP-RELIEF (LIFT CYLINDER ROD END)  
37. 423-7713 [1] VALVE GP-RELIEF (PILOT OPERATED)  
  2S-4078 [1] SEAL-O-RING  
38. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
39. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
40. 6V-0852 [1] CAP-DUST  
41. 6V-3668 M [2] BOLT (M12X1.75X30-MM)  
42. 7X-2546 M [4] BOLT (M10X1.5X180-MM)  
43. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
44. 8L-6565 [4] PIN-SPRING  
45. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
46. 8T-5436 M [4] BOLT (M10X1.5X130-MM)  
47. 9R-5008 [8] SPACER (11X20X6-MM THK)  
48. 162-0177 [4] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
49. 207-8218 [4] PLUG AS  
    (EACH INCLUDES)
  7J-0204 [1] SEAL-O-RING  
  9S-8007 [1] PLUG  
  3K-0360 F [1] SEAL-O-RING  
  8T-1715 F [1] ADAPTER  
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061253
 

318-2925: VALVE GP-CONTROL

318-2925 VALVE GP-CONTROL -TILT REGENERATION
S/N BXY2733-UP
PART OF 296-8265, 296-8268 LINES GP-TILT CYLINDER
i03370661 SEBP3906
3182925 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7L-8695 [1] SPRING  
2. 423-7715 [1] VALVE  
3. 354-9033 [1] VALVE GP-CONTROL  
  204-1340 [1] STEM  
4. 217-6719 Y [1] ACTUATOR GP-PILOT CONTROL  
5. 275-5797 [1] PLATE-COVER  
8. 327-2109 [1] BRACKET AS  
9. 332-2178 [1] PLUG AS  
  6K-6307 [1] SEAL-O-RING  
  153-9989 [1] PLUG  
10. 005-8593 [1] SEAL-O-RING  
11. 366-4695 [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  360-3679 [1] PLUG-CONNECTOR (9/16-18-THD)  
12. 1P-5767 [4] FLANGE-HALF  
13. 3G-5003 [1] BUSHING  
14. 4B-4158 [1] SCREW-DRIVE (NO 4X0.25-IN)  
15. 5P-8077 [2] FLANGE-HALF  
16. 7X-2475 M [4] BOLT (M16X2X130-MM)  
17. 7X-2543 M [2] BOLT (M10X1.5X120-MM)  
18. 8L-6565 [1] PIN-SPRING  
19. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
20. 8T-4122 [8] WASHER-HARD (17X32X3.5-MM THK)  
21. 8T-4140 M [4] BOLT (M16X2X60-MM)  
22. 8T-4194 M [8] BOLT (M12X1.75X50-MM)  
23. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
24. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061254
 

191-8735: VALVE GP-DEMAND FAN

191-8735 VALVE GP-DEMAND FAN
S/N BXY1-UP
PART OF 225-6716 LINES GP-HYDRAULIC FAN
i01351613 SEBP3906
1918735 VALVE GP-DEMAND FAN Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-3584 [1] MANIFOLD  
2. 183-7595 Y [1] VALVE GP-SOLENOID (24-VOLT)(DEMAND FAN)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061255
 

212-8712: VALVE GP-MAIN CONTROL

212-8712 VALVE GP-MAIN CONTROL -2-FUNCTION
S/N BXY1-UP
PART OF 132-6133 VALVE & MTG GP-MAIN CONTROL
Type 1
i01971724 SEBP3906
2128712 VALVE GP-MAIN CONTROL Parts scheme 2128712 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)(BALL RESOLVER)  
3. 6E-1291 [1] VALVE-CONTROL  
4. 7D-8508 [1] NUT-FULL (7/8-14-THD)  
5. 7X-2459 [1] ADAPTER-TEE  
6. 9G-4733 [1] TUBE  
7. 9L-9188 [2] SPRING-VALVE  
8. 9R-5008 [19] SPACER (11X20X6-MM THK)  
9. 9R-7996 I [1] HOSE AS  
10. 100-6731 [1] STEM  
11. 102-4156 [2] VALVE-CONTROL  
12. 112-8244 [1] HOUSING  
13. 113-8263 [2] PISTON  
14. 117-0159 Y [1] VALVE GP-RELIEF (MAIN)  
15. 423-7704 Y [1] VALVE GP-RELIEF (TILT CYLINDER HEAD END)  
16. 117-9341 [1] BODY  
17. 423-7708 Y [1] VALVE GP-RELIEF (LIFT CYLINDER HEAD END)  
20. 185-5626 [1] SPRING  
21. 203-8482 [1] MANIFOLD  
24. 217-6719 Y [2] ACTUATOR GP-PILOT CONTROL (REGENERATION VALVE)  
25. 217-6720 Y [2] ACTUATOR GP-PILOT CONTROL  
26. 222-4737 C [1] PLUG AS  
  4J-7533 [1] SEAL-O-RING  
  9S-4180 [1] PLUG  
27. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
28. 102-4158 [2] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
29. 423-7707 Y [1] VALVE GP-RELIEF (LIFT CYLINDER ROD END)  
29A. 423-7707 Y [1] VALVE GP-RELIEF (TILT CYLINDER ROD END)  
30. 148-8406 C [3] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
31. 148-8407 C [6] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
32. 155-3624 C [7] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-4182 [1] PLUG (7/16-20-THD)  
33. 162-0177 C [5] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
34. 183-7263 C [4] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
35. 1H-5728 [2] SEAL-O-RING  
36. 1P-3705 [1] SEAL-RECTANGULAR  
37. 2J-6274 [4] SEAL-O-RING  
38. 2M-9780 [1] SEAL-O-RING  
39. 2S-4078 [2] SEAL-O-RING  
40. 3J-1907 C [4] SEAL-O-RING  
41. 3J-7354 C [2] SEAL-O-RING  
42. 4J-0523 [1] SEAL-O-RING  
43. 4J-0525 [1] SEAL-O-RING  
44. 4J-5309 [1] SEAL-O-RING  
45. 6E-2140 [1] RETAINER AS  
46. 6E-4286 J [1] VALVE GP-PRESSURE REDUCING  
47. 6V-0852 [2] CAP-DUST  
48. 6V-3668 M [2] BOLT (M12X1.75X30-MM)  
49. 6V-3965 [2] FITTING (QUICK DISCONNECT)  
50. 6V-5759 [2] SEAL-O-RING  
51. 6V-8397 [2] SEAL-O-RING  
52. 7J-7852 [1] SPRING  
53. 7X-2546 M [4] BOLT (M10X1.5X180-MM)  
54. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
55. 8L-6565 [4] PIN-SPRING  
56. 8T-0075 [1] CONNECTOR  
57. 8T-2353 [2] ADAPTER  
58. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
59. 8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
60. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
61. 8T-5436 M [4] BOLT (M10X1.5X130-MM)  
62. 8T-6466 M [3] BOLT (M10X1.5X60-MM)  
63. 7J-1592 [1] COVER  
   
    AVAILABLE REPAIR KIT(S):
  6E-4287 J [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
    (INCLUDES RINGS & SEALS)
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061256
 

212-8712: VALVE GP-MAIN CONTROL

212-8712 VALVE GP-MAIN CONTROL -2-FUNCTION
S/N BXY1-UP
PART OF 132-6133 VALVE & MTG GP-MAIN CONTROL
Type 2
i07434620 SEBP3906
2128712 VALVE GP-MAIN CONTROL Parts scheme 2128712 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)  
3. 6E-1291 [1] VALVE-CONTROL  
4. 7D-8508 [1] NUT-FULL (7/8-14-THD)  
5. 7X-2459 [1] ADAPTER-TEE  
6. 9G-4733 [1] TUBE  
7. 9L-9188 [2] SPRING-VALVE  
8. 9R-5008 [19] SPACER (11X20X6-MM THK)  
9. 9R-7996 I [1] HOSE AS  
10. 100-6731 [1] STEM  
11. 102-4156 [2] VALVE-CONTROL  
12. 112-8244 [1] HOUSING  
13. 113-8263 [2] PISTON  
14. 117-0159 Y [1] VALVE GP-RELIEF (MAIN)  
15. 423-7704 Y [1] VALVE GP-RELIEF (TILT CYLINDER HEAD END)  
16. 117-9341 [1] BODY  
17. 423-7708 Y [1] VALVE GP-RELIEF (LIFT CYLINDER HEAD END)  
20. 185-5626 [1] SPRING  
21. 203-8482 [1] MANIFOLD  
24. 217-6719 Y [2] ACTUATOR GP-PILOT CONTROL (REGENERATION VALVE)  
25. 217-6720 Y [2] ACTUATOR GP-PILOT CONTROL  
26. 366-4696 C [1] PLUG AS  
  4J-7533 [1] SEAL-O-RING  
  [1] PLUG (5/16-24-THD)  
27. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
28. 102-4158 [2] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
29. 423-7707 Y [1] VALVE GP-RELIEF (LIFT CYLINDER ROD END)  
29A. 423-7707 Y [1] VALVE GP-RELIEF (TILT CYLINDER ROD END)  
30. 148-8406 C [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
31. 366-4699 C [6] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3692 [1] PLUG  
32. 366-4698 C [7] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3690 [1] PLUG (7/16-20-THD)  
33. 162-0177 C [2] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
34. 183-7263 C [1] PLUG AS  
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
35. 1H-5728 [2] SEAL-O-RING  
36. 1P-3705 [1] SEAL-RECTANGULAR  
37. 2J-6274 [4] SEAL-O-RING  
38. 2M-9780 [1] SEAL-O-RING  
39. 2S-4078 [2] SEAL-O-RING  
40. 3J-1907 C [5] SEAL-O-RING  
41. 3J-7354 [2] SEAL-O-RING  
42. 4J-0523 [2] SEAL-O-RING  
44. 4J-5309 [1] SEAL-O-RING  
45. 6E-2140 [1] RETAINER AS  
46. 6E-4286 J [1] VALVE GP-PRESSURE REDUCING  
47. 6V-0852 C [3] CAP-DUST  
48. 6V-3668 M [2] BOLT (M12X1.75X30-MM)  
49. 6V-3965 C [3] FITTING (QUICK DISCONNECT)  
50. 6V-5759 [2] SEAL-O-RING  
51. 6V-8397 [2] SEAL-O-RING  
52. 7J-7852 [1] SPRING  
53. 7X-2546 M [4] BOLT (M10X1.5X180-MM)  
54. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
55. 8L-6565 [4] PIN-SPRING  
56. 8T-0075 [1] CONNECTOR  
57. 8T-2353 [2] ADAPTER  
58. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
59. 8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
60. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
61. 8T-5436 M [4] BOLT (M10X1.5X130-MM)  
62. 8T-6466 M [3] BOLT (M10X1.5X60-MM)  
63. 7J-1592 [1] COVER  
64. 369-6862 C [2] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  360-3684 [1] PLUG  
65. 367-6002 C [3] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3677 [1] PLUG (7/16-20-THD)  
66. 366-4695 C [3] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3679 [1] PLUG-CONNECTOR (9/16-18-THD)  
   
    AVAILABLE REPAIR KIT(S):
  6E-4287 J [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
    (INCLUDES RINGS & SEALS)
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061257
 

212-8712: VALVE GP-MAIN CONTROL

212-8712 VALVE GP-MAIN CONTROL -2-FUNCTION
S/N BXY1-UP
PART OF 132-6133 VALVE & MTG GP-MAIN CONTROL
Type 3
i07671783 SEBP3906
2128712 VALVE GP-MAIN CONTROL Parts scheme 2128712 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [4] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)  
3. 6E-1291 [1] VALVE-CONTROL  
4. 7D-8508 [1] NUT-FULL (7/8-14-THD)  
5. 7X-2459 [1] ADAPTER-TEE  
6. 9G-4733 [1] TUBE  
7. 9L-9188 [2] SPRING-VALVE  
8. 9R-5008 [19] SPACER (11X20X6-MM THK)  
9. 9R-7996 I [1] HOSE AS  
10. 100-6731 [1] STEM  
11. 102-4156 [2] VALVE-CONTROL  
12. 112-8244 [1] HOUSING  
13. 113-8263 [2] PISTON  
14. 117-0159 Y [1] VALVE GP-RELIEF (MAIN)  
15. 423-7704 Y [1] VALVE GP-RELIEF (TILT CYLINDER HEAD END)  
16. 117-9341 [1] BODY  
17. 423-7708 Y [1] VALVE GP-RELIEF (LIFT CYLINDER HEAD END)  
20. 185-5626 [1] SPRING  
21. 203-8482 [1] MANIFOLD  
24. 217-6719 Y [2] ACTUATOR GP-PILOT CONTROL (REGENERATION VALVE)  
25. 217-6720 Y [2] ACTUATOR GP-PILOT CONTROL  
26. 366-4696 [1] PLUG AS  
  4J-7533 [1] SEAL-O-RING  
  [1] PLUG (5/16-24-THD)  
27. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
28. 102-4158 [2] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
29. 423-7707 Y [1] VALVE GP-RELIEF (LIFT CYLINDER ROD END)  
29A. 423-7707 Y [1] VALVE GP-RELIEF (TILT CYLINDER ROD END)  
30. 148-8406 [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
31. 366-4699 [6] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3692 [1] PLUG  
32. 366-4698 [7] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3690 [1] PLUG (7/16-20-THD)  
33. 162-0177 C [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
34. 225-4820 C [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  225-4821 [1] PLUG  
35. 1H-5728 [2] SEAL-O-RING  
36. 1P-3705 [1] SEAL-RECTANGULAR  
37. 2J-6274 [4] SEAL-O-RING  
38. 2M-9780 [1] SEAL-O-RING  
39. 2S-4078 [2] SEAL-O-RING  
40. 3J-1907 [5] SEAL-O-RING  
41. 3J-7354 [2] SEAL-O-RING  
42. 4J-0523 [2] SEAL-O-RING  
44. 4J-5309 [1] SEAL-O-RING  
45. 6E-2140 [1] RETAINER AS  
46. 6E-4286 J [1] VALVE GP-PRESSURE REDUCING  
47. 6V-0852 [3] CAP-DUST  
48. 6V-3668 M [2] BOLT (M12X1.75X30-MM)  
49. 6V-3965 [3] FITTING (QUICK DISCONNECT)  
50. 6V-5759 [2] SEAL-O-RING  
51. 6V-8397 [2] SEAL-O-RING  
52. 7J-7852 [1] SPRING  
53. 7X-2546 M [4] BOLT (M10X1.5X180-MM)  
54. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
55. 8L-6565 [4] PIN-SPRING  
56. 8T-0075 [1] CONNECTOR  
57. 8T-2353 [2] ADAPTER  
58. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
59. 8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
60. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
61. 8T-5436 M [4] BOLT (M10X1.5X130-MM)  
62. 8T-6466 M [3] BOLT (M10X1.5X60-MM)  
63. 7J-1592 [1] COVER  
64. 369-6862 [2] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  360-3684 [1] PLUG  
65. 367-6002 C [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  360-3677 [1] PLUG (7/16-20-THD)  
66. 366-4695 C [4] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  360-3679 [1] PLUG-CONNECTOR (9/16-18-THD)  
   
    AVAILABLE REPAIR KIT(S):
  6E-4287 J [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
    (INCLUDES RINGS & SEALS)
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061258
 

212-8746: VALVE GP-MAIN CONTROL

212-8746 VALVE GP-MAIN CONTROL -3-FUNCTION
S/N BXY1-UP
PART OF 201-0218 VALVE & MTG GP-MAIN CONTROL
i01971735 SEBP3906
2128746 VALVE GP-MAIN CONTROL Parts scheme 2128746 VALVE GP-MAIN CONTROL Parts scheme 2128746 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [6] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)(BALL RESOLVER)  
3. 6E-1291 [1] VALVE-CONTROL  
4. 7D-8508 [1] NUT-FULL (7/8-14-THD)  
5. 7X-2459 [1] ADAPTER-TEE  
6. 9G-4733 [1] TUBE  
7. 9L-9188 [3] SPRING-VALVE  
8. 9R-5008 [27] SPACER (11X20X6-MM THK)  
9. 9R-7996 I [1] HOSE AS  
10. 100-6731 [1] STEM  
11. 102-4156 [3] VALVE-CONTROL  
12. 112-8244 [1] HOUSING  
13. 113-8263 [3] PISTON  
14. 117-0159 Y [1] VALVE GP-RELIEF (MAIN)  
15. 423-7704 Y [1] VALVE GP-RELIEF (LINE, TILT CYL HEAD END PORT)  
16. 117-9341 [1] BODY  
17. 423-7708 Y [1] VALVE GP-RELIEF (LINE, LIFT CYL HEAD END PORT)  
21. 155-2291 [1] HOUSING  
22. 423-7705 Y [1] VALVE GP-RELIEF (LINE, AUX CYL ROD END PORT)  
22A. 423-7705 Y [1] VALVE GP-RELIEF (LINE, AUX CYL HEAD END PORT)  
24. 185-5626 [1] SPRING  
25. 203-8482 [1] MANIFOLD  
28. 217-6719 Y [3] ACTUATOR GP-PILOT CONTROL (REGENERATION VALVE)  
29. 217-6720 Y [3] ACTUATOR GP-PILOT CONTROL  
30. 222-4737 C [1] PLUG AS  
  4J-7533 SEAL-O-RING  
  9S-4180 [1] PLUG  
31. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
32. 102-4158 [3] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
33. 423-7707 Y [1] VALVE GP-RELIEF (LINE, LIFT CYL ROD END PORT)  
33A. 423-7707 Y [1] VALVE GP-RELIEF (LINE, TILT CYL ROD END PORT)  
34. 148-8406 C [3] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
35. 148-8407 C [5] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
36. 155-3624 C [7] PLUG AS  
    (EACH INCLUDES)
  3J-7354 SEAL-O-RING  
  9S-4182 PLUG (7/16-20-THD)  
37. 162-0177 C [5] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
38. 165-5085 M [6] BOLT-SOCKET HEAD (M12X1.75X160-MM)  
39. 183-7263 C [4] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
40. 1H-5728 [3] SEAL-O-RING  
41. 1P-3704 [1] SEAL-RECTANGULAR  
42. 1P-3705 [1] SEAL-RECTANGULAR  
43. 2J-6274 [6] SEAL-O-RING  
44. 2M-9780 [1] SEAL-O-RING  
45. 2S-4078 [3] SEAL-O-RING  
46. 3H-3385 [2] SEAL-O-RING  
47. 3J-1907 [9] SEAL-O-RING  
48. 3J-7354 C [2] SEAL-O-RING  
49. 4J-0523 [4] SEAL-O-RING  
50. 4J-5309 [1] SEAL-O-RING  
51. 5P-8077 [6] FLANGE-HALF  
52. 6E-2140 [1] RETAINER AS  
53. 6E-4286 J [1] VALVE GP-PRESSURE REDUCING  
54. 6V-0484 [2] ELBOW  
55. 6V-0852 [5] CAP-DUST  
56. 6V-3965 [5] FITTING (QUICK DISCONNECT)  
57. 6V-5759 [2] SEAL-O-RING  
58. 6V-8397 [2] SEAL-O-RING  
59. 7J-1592 [1] COVER  
60. 7J-7852 [1] SPRING  
61. 7X-2546 M [6] BOLT (M10X1.5X180-MM)  
62. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
63. 8L-6565 [6] PIN-SPRING  
64. 8T-0075 [1] CONNECTOR  
65. 8T-2353 [2] ADAPTER  
66. 8T-4122 [12] WASHER-HARD (17X32X3.5-MM THK)  
67. 8T-4140 M [12] BOLT (M16X2X60-MM)  
68. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
69. 8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
70. 8T-5436 M [6] BOLT (M10X1.5X130-MM)  
71. 8T-6466 M [3] BOLT (M10X1.5X60-MM)  
   
    AVAILABLE REPAIR KIT(S):
  6E-4287 J [1] KIT-SEAL (PRESSURE REDUCING VALVE)  
  155-2270 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS & WEDGE)
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP39061259
 

291-8508: VALVE GP-MAIN CONTROL

291-8508 VALVE GP-MAIN CONTROL
S/N BXY4000-UP
PART OF 315-8830 VALVE & MTG GP-MAIN CONTROL
i03766453 SEBP3906
2918508 VALVE GP-MAIN CONTROL Parts scheme 2918508 VALVE GP-MAIN CONTROL Parts scheme 2918508 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-4158 [6] SCREW-DRIVE (NO 4X0.25-IN)  
2. 4T-1860 Y [1] VALVE GP-SHUTTLE (BALL RESOLVER)  
3. 4T-5896 Y [1] VALVE GP-CHECK  
4. 6E-1291 [1] VALVE-CONTROL  
5. 6E-4286 [1] VALVE GP-PRESSURE REDUCING  
6. 6V-0852 [3] CAP-DUST  
7. 7J-7852 [1] SPRING  
8. 9L-9188 [3] SPRING-VALVE  
9. 102-4156 [3] VALVE-CONTROL  
10. 102-4158 [3] PLUG AS  
    (EACH INCLUDES)
  3G-5003 [1] BUSHING  
  102-4157 [1] PLUG  
11. 112-8244 [1] HOUSING  
12. 113-8263 [3] PISTON  
13. 117-0160 Y [1] VALVE GP-RELIEF (LINE RELIEF, TILT CYL HEAD END)  
14. 129-8293 Y [1] VALVE GP-RELIEF (LINE RELIEF, LIFT CYL ROD END)  
17. 155-2291 [1] HOUSING  
18. 172-5481 Y [2] VALVE GP-RELIEF (LINE, AUXILIARY)  
19. 203-8482 [1] MANIFOLD  
20. 217-6719 Y [3] ACTUATOR GP-PILOT CONTROL  
21. 217-6720 Y [3] ACTUATOR GP-PILOT CONTROL  
26. 334-0895 [1] VALVE GP-RELIEF (LINE RELIEF, TILT CYL ROD END)  
27. 334-8332 Y [1] VALVE GP-RELIEF  
28. 095-9804 M [4] BOLT-SOCKET HEAD (M12X1.75X110-MM)  
29. 144-0221 Y [1] VALVE GP-RELIEF (LINE RELIEF, LIFT CYL HEAD END)  
30. 148-8406 [3] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [1] SEAL-O-RING  
  9S-9334 [1] PLUG (1-5/16-12-THD)  
31. 148-8407 [9] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
32. 155-3624 [2] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-4182 [1] PLUG (7/16-20-THD)  
33. 162-0177 [4] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
34. 164-5567 [3] COUPLER AS-QUICK DISCONNECT (MALE)  
    (EACH INCLUDES)
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
35. 165-5085 M [6] BOLT-SOCKET HEAD (M12X1.75X160-MM)  
36. 173-3993 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  9S-8001 [1] PLUG  
37. 183-7263 [6] PLUG AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
38. 1H-5728 [3] SEAL-O-RING  
39. 1P-3704 [1] SEAL-RECTANGULAR  
40. 1P-3705 [1] SEAL-RECTANGULAR  
41. 207-8218 [4] PLUG AS  
    (EACH INCLUDES)
  7J-0204 [1] SEAL-O-RING  
  9S-8007 [1] PLUG  
42. 222-4737 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  9S-4180 [1] PLUG  
43. 2J-6274 [6] SEAL-O-RING  
44. 2S-4078 [3] SEAL-O-RING  
45. 3H-3385 [2] SEAL-O-RING  
46. 4J-0523 [4] SEAL-O-RING  
47. 5P-8077 [6] FLANGE-HALF  
48. 7J-1592 [1] COVER  
49. 7X-2546 M [6] BOLT (M10X1.5X180-MM)  
50. 7X-2549 M [2] BOLT (M12X1.75X100-MM)  
51. 8L-6565 [6] PIN-SPRING  
52. 8T-4121 [18] WASHER-HARD (11X21X2.5-MM THK)  
53. 8T-4122 [12] WASHER-HARD (17X32X3.5-MM THK)  
54. 8T-4140 M [12] BOLT (M16X2X60-MM)  
55. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
56. 8T-5436 M [6] BOLT (M10X1.5X130-MM)  
57. 9R-5008 [12] SPACER (11X20X6-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Operation and Maintenance Manual
Hydraulic System Oil Sample - Obtain
988H Wheel Loader
Special Instruction
Installation Procedure of the 210-1704 Front Lines Gp {5051, 5057, 6129}
Installation Procedure of the 210-1704 Front Lines Gp {5051, 5057, 6129}
Specifications
Check Valve (Pilot)
988H Wheel Loader Electrohydraulic System
Solenoid Valve (Hydraulic Lockout)
988H Wheel Loader Electrohydraulic System
Main Control Valve
988H Wheel Loader Electrohydraulic System
Check Valve (Pilot)
988H Wheel Loader Electrohydraulic System
Main Control Valve
988H Wheel Loader Electrohydraulic System
Control Valve (Tilt Regeneration)
988H Wheel Loader Electrohydraulic System
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}
180-0472 Lifting Fixture Assembly {0599, 0629, 0738, 1122, 5050, 5051}
180-0472 Lifting Fixture Assembly {0599, 0629, 0738, 1122, 5050, 5051}
Systems Operation
Main Control Valve
988H Wheel Loader Electrohydraulic System
Main Control Valve
988H Wheel Loader Electrohydraulic System
Testing and Adjusting
Calibration
988H Wheel Loader Electrohydraulic System
Main Control Valve (Electronic Technician) - Calibrate
988H Wheel Loader Electrohydraulic System
Pilot Control Actuator Pressure - Check
988H Wheel Loader Electrohydraulic System
Pressure Reducing Valve (Lowering Control) for Dead Engine Condition - Test and Adjust
988H Wheel Loader Electrohydraulic System
Pilot Control Actuator Pressure - Check
988H Wheel Loader Electrohydraulic System
Main Control Valve (Operator Monitor) - Calibrate
988H Wheel Loader Electrohydraulic System
Pressure Reducing Valve (Lowering Control) for Dead Engine Condition - Test and Adjust
988H Wheel Loader Electrohydraulic System
Relief Valve (Steering Cylinder Crossover) - Test and Adjust
988H Wheel Loader Steering System
Troubleshooting
MID 082 - CID 0358 - FMI 03
988H Wheel Loader Electrohydraulic System
MID 082 - CID 0358 - FMI 05
988H Wheel Loader Electrohydraulic System
MID 082 - CID 0358 - FMI 06
988H Wheel Loader Electrohydraulic System
MID 082 - CID 0358 - FMI 03
988H Wheel Loader Electrohydraulic System
MID 082 - CID 0358 - FMI 05
988H Wheel Loader Electrohydraulic System
MID 082 - CID 0358 - FMI 06
988H Wheel Loader Electrohydraulic System
MID 082 - CID 0358 - FMI 11
988H Wheel Loader Electrohydraulic System
Disassembly and Assembly
Main Control Valve - Disassemble - 2 Valve
988H Wheel Loader Machine Systems
Main Control Valve - Assemble - 2 Valve
988H Wheel Loader Machine Systems
Main Control Valve - Remove - 2 Valve
988H Wheel Loader Machine Systems
Main Control Valve - Install - 2 Valve
988H Wheel Loader Machine Systems
Solenoid Valve (Hydraulic Lockout) - Remove and Install
988H Wheel Loader Machine Systems
Main Control Valve - Remove - 3 Valve
988H Wheel Loader Machine Systems
Main Control Valve - Install - 3 Valve
988H Wheel Loader Machine Systems
Main Control Valve - Disassemble - 3 Valve
988H Wheel Loader Machine Systems
Main Control Valve - Assemble - 3 Valve
988H Wheel Loader Machine Systems
Control Valve (Tilt Regeneration) - Remove
988H Wheel Loader Machine Systems
Control Valve (Tilt Regeneration) - Install
988H Wheel Loader Machine Systems
Control Valve (Tilt Regeneration) - Disassemble
988H Wheel Loader Machine Systems
Control Valve (Tilt Regeneration) - Assemble
988H Wheel Loader Machine Systems
Service Magazine
The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28
A New Regeneration Valve Improves Performance of the Tilt Function {5050, 5051, 5104, 512R}
2008/12/08
New Implement Software is Now Used on 988H Wheel Loaders {5051, 7610}
2009/12/16
A New Tilt Cylinder Regeneration Retrofit Kit Now Available for Certain 988G and 988H Wheel Loaders {5051, 5051}
2012/02/09
A New Main Control Valve Hose Assembly Is Now Used On Certain 988H Wheel Loaders {5051, 5057}
2012/07/20

Caterpillar Parts SIS Catalog 988H :

VALVE GP-CHECK
9T-3096 VALVE GP-CHECK
VALVE GP-CHECK
4T-5896 VALVE GP-CHECK
VALVE AS-RELIEF
358-9476 VALVE AS-RELIEF
VALVE & MTG GP-REGENERATION
271-4577 VALVE & MTG GP-REGENERATION
VALVE & MTG GP-REGENERATION
253-4788 VALVE & MTG GP-REGENERATION
VALVE & MTG GP-MAIN CONTROL
315-8830 VALVE & MTG GP-MAIN CONTROL
VALVE & MTG GP-MAIN CONTROL
315-8830 VALVE & MTG GP-MAIN CONTROL
VALVE & MTG GP-MAIN CONTROL
315-8830 VALVE & MTG GP-MAIN CONTROL
VALVE GP-CONTROL
222-4436 VALVE GP-CONTROL
VALVE GP-CONTROL
222-4436 VALVE GP-CONTROL
VALVE GP-CONTROL
318-2925 VALVE GP-CONTROL
VALVE GP-DEMAND FAN
191-8735 VALVE GP-DEMAND FAN
VALVE GP-MAIN CONTROL
212-8712 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
212-8712 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
212-8712 VALVE GP-MAIN CONTROL
VALVE GP-MAIN CONTROL
212-8746 VALVE GP-MAIN CONTROL

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