ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GPSWITCH GP
SOLENOID GP
BATTERY GP
LIGHTING GP
BATTERY GP
WIRING GP
SWITCH GP
ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP#UEG0718S0040
4N-3182: STARTING MOTOR GP-ELECTRIC
4N3182 STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 3 of 3
Part of 7S3622 Starting Motor Group shown on Pages 28 and 28A
Part of 7S3622 Starting Motor Group shown on Pages 28 and 28A
Parts for your 12F MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4M-1855 | [1] | PLUNGER ASSEM. | |
| 2. | 2S-4027 | [1] | WASHER | |
| 3. | 4M-1829 | [1] | BOOT | |
| 4. | 4M-1828 | [1] | RETAINER | |
| 5. | 9M-7609 | [1] | SPRING | |
| 6. | 4M-1827 | [1] | RETAINER | |
| 7. | 1H-1023 | [1] | SEAL | |
| 8. | 4M-1850 | [1] | HOUSING ASSEM. | |
| (Includes) | ||||
| 9. | 9F-2547 | [1] | WICK | |
| 10. | 2B-4602 | [1] | PLUG | |
| 11. | 1M-9968 | [1] | BUSHING | |
| 12. | 2F-6678 | [1] | SEAL | |
| 13. | 2H-3429 | [2] | RING | |
| 14. | 4L-2729 | [1] | WASHER | |
| 15. | 4M-1853 | [1] | LEVER ASSEM. | |
| 16. | 3F-2617 | [1] | NUT | |
| 17. | 4M-1832 | [1] | GASKET | |
| 18. | 4M-1831 | [1] | PLUG | |
| 19. | 1S-0297 | [1] | HOUSING ASSEM. | |
| (Includes) | ||||
| 20. | 4M-1896 | [1] | BUSHING | |
| 21. | 4M-1833 | [5] | SCREW 1.50 in. (38.10 mm) long | |
| 7M-0336 | [1] | SCREW .875 in. (22.23 mm) long | ||
| 22. | 6N-3827 CA | [1] | DRIVE ASSEM. (480118) | |
| - OR - | ||||
| 2P-4708 C | [1] | DRIVE ASSEM. (1894213) | ||
| (Includes) | ||||
| 23. | 9S-9771 | [1] | PINION | |
| 24. | 4M-1854 | [1] | SHAFT | |
| 25. | 2D-6392 | [1] | SEAL | |
| 26. | 7F-4556 | [5] | BOLT | |
| 27. | 1L-4789 | [5] | LOCKWASHER | |
| 28. | 4M-0189 | [1] | SEAL | |
| 29. | 1M-9971 | [1] | SPACER | |
| 30. | 4M-1851 | [1] | GASKET | |
| THE FOLLOWING REPAIR KITS ARE AVAILABLE FOR 2P4708 DRIVE ASSEM. | ||||
| 7N-6098 C | [1] | KIT (spring) | ||
| (Includes Cup and Spring) | ||||
| 9S-9825 | [1] | KIT (Cup) | ||
| (Includes Cup and Washers) | ||||
| 4S-9459 | [1] | KIT (washer) | ||
| (Includes Cup and Washers) | ||||
| A | NOT PART OF THIS GROUP | |||
| C | INDICATES CHANGE | |||
#UEG0718S0041
6N-5123: SWITCH AS-SOLENOID
6N5123 SOLENOID SWITCH ASSEMBLY
Part of 4N3182 Electric Starting Motor Group shown on Page 32
Part of 4N3182 Electric Starting Motor Group shown on Page 32
Parts for your 12F MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7N-0908 C | [ 1] | TERMINAL ASSEM. | |
| (Includes) | ||||
| 4M-1834 | [ 1] | PLATE | ||
| 2. | 7F-4907 | [ 1] | STRIP | |
| 3. | 3H-3681 | [ 2] | NUT | |
| 4. | 3B-4508 | [ 4] | LOCKWASHER | |
| 5. | 3H-3680 | [ 2] | NUT | |
| 6. | 7F-3494 | [ 2] | WASHER | |
| 7. | 4M-1836 | [ 2] | INSULATOR | |
| 8. | 4M-1837 | [ 2] | BUSHING | |
| 9. | 7F-4906 C | [ 1] | STUD | |
| 10. | 7N-0909 | [ 1] | TERMINAL ASSEM. | |
| 11. | 9S-4490 | [ 1] | GASKET | |
| 12. | 4M-5274 | [ 1] | SCREW | |
| 13. | 9S-4489 | [ 4] | SCREW ASSEM. | |
| 14. | 4M-3217 | [ 2] | SCREW | |
| 15. | 4M-1814 | [ 1] | CONTACT ASSEM. | |
| 16. | 3P-0072 | [ 1] | CASE ASSEM. | |
| 17. | 1F-0073 | [ 2] | CLIP | |
| 18. | 4M-1815 | [ 1] | SPRING | |
| INDICATES CHANGE | ||||
#UEG0718S0042
9S-7976: SOLENOID AS
9S7976 SOLENOID ASSEMBLY
Part of 2P6162 Electric Starting Motor Group shown on Page 30
Part of 2P6162 Electric Starting Motor Group shown on Page 30
Parts for your 12F MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9M-7657 C | [4] | NUT-SEALING | |
| 2. | 8S-8023 | [1] | COVER AS | |
| 3. | 8S-8024 | [1] | GASKET-COVER | |
| 4. | 9B-7235 | [1] | SCREW-MACHINE | |
| 9B-7233 | [1] | LOCKWASHER | ||
| 5. | 8S-1528 | [1] | BOOT | |
| 6. | 8S-8021 | [1] | CORE AS | |
| THE FOLLOWING REPAIR | ||||
| KITS ARE AVAILABLE: | ||||
| 8S-1524 | [1] | KIT-TERMINAL STUD (BATTERY) | ||
| 8S-1525 | [1] | KIT-TERMINAL STUD (MOTOR) | ||
| 9S-8688 | [1] | KIT-CONTACT END CORE | ||
| 8S-1527 | [1] | KIT-YOKE END CORE | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
#UEG0718S0043
6D-6170: BATTERY AND WIRING
BATTERY AND WIRING (6D6170 N/S)--As Viewed from Rear Right Hand Side of Machine--24 Volt
#UEG0718S0044
STOP AND TAIL LAMPS AND WIRING HARNESS
STOP AND TAIL LAMPS AND WIRING HARNESS
7M7147 Stop and Tail Lamp parts are shown on Page 43
7M7147 Stop and Tail Lamp parts are shown on Page 43
Parts for your 12F MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7M-7147 Y | [2] | LAMP ASSEM. | |
| (See Separate Illustration) | ||||
| 2. | 5D-0854 | [1] | HARNESS | |
| 3. | 7F-9224 | [4] | TERMINAL | |
| (Tan and Yellow Wire) | ||||
| 2D-3981 | [4] | INSULATOR | ||
| 4. | 3D-5365 | [2] | PLUG | |
| (Parts of 5D854 Harness) | ||||
| 5. | 0T-0102 | [1] | BOLT | |
| 6. | 3B-4506 | [5] | LOCKWASHER | |
| 7. | 4D-3670 | [1] | GROMMET | |
| 8. | 7D-3931 | [1] | HARNESS ASSEM. | |
| 9. | 2R-1034 | [1] | SHELL | |
| 2R-1033 | [1] | WASHER | ||
| 3M-6018 | [1] | TERMINAL (Purple Wire) | ||
| 10. | [1] | TERMINAL (Red Wire) | ||
| 11. | 8B-0653 | [2] | INSULATOR | |
| 12. | 7F-9224 | [1] | TERMINAL (White Wire) | |
| 2D-3981 | [1] | INSULATOR | ||
| 13. | 9F-5321 | [1] | TERMINAL (Orange Wire) | |
| 14. | 3D-4467 | [2] | TERMINAL | |
| (Tan & Yellow Wire) | ||||
| (Parts of 7D3931 Assem.) | ||||
| 15. | 1B-3057 | [1] | CLIP | |
| 16. | 6D-6632 | [1] | CLIP | |
| 17. | 4D-9607 | [1] | TUBE (48.51" long) | |
| 18. | 3D-6655 | [2] | GROMMET | |
| 19. | 0S-1621 | [1] | BOLT | |
| 3B-4508 | [1] | LOCKWASHER | ||
| 20. | 0T-0386 | [1] | CLIP | |
| 21. | 0S-1594 | [4] | BOLT | |
| 22. | 2D-2751 | [2] | GROMMET | |
| 23. | 3D-5364 | [2] | BRACKET | |
| Y | SEPARATE ILLUSTRATION | |||
#UEG0718S0045
BATTERIES, SWITCH ASSEMBLY AND CABLES
BATTERIES, SWITCH ASSEMBLY AND CABLES
7H7290 Switch parts are shown on Page 42
7H7290 Switch parts are shown on Page 42
Parts for your 12F MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4D-3631 | [2] | CLIP | |
| 2. | 3S-2093 | [1] | TIE | |
| 3. | 5D-3940 | [1] | CABLE ASSEM. | |
| 4. | 1B-5218 | [1] | TERMINAL (Switch) | |
| 5. | 1M-4986 | [1] | TERMINAL (Motor) | |
| 6. | 0S-1594 | [8] | BOLT | |
| 7. | 1D-4717 | [4] | NUT | |
| 8. | 3B-4506 | [8] | LOCKWASHER | |
| 9. | 4D-6434 C | [1] | CLIP | |
| 10. | 2D-8412 | [1] | MAT ASSEM. | |
| 11. | 5S-7219 | [4] | BATTERY | |
| 12. | 4D-7735 | [1] | CLIP | |
| 13. | 5D-3522 | [1] | HOLD DOWN ASSEM. | |
| 14. | 2D-7428 | [1] | CLAMP ASSEM. | |
| 15. | 7H-7290 Y | [1] | SWITCH ASSEM. (Disconnect) | |
| (See Separate Illustration) | ||||
| 16. | 5H-0843 | [1] | CABLE ASSEM. | |
| 17. | 1B-5218 | [1] | TERMINAL (Switch) | |
| 18. | 3D-2098 | [1] | TERMINAL ASSEM. (-) | |
| 2D-8403 | [1] | TERMINAL | ||
| 19. | 2D-8788 | [1] | BOLT | |
| 2D-8787 | [1] | NUT | ||
| 20. | 2D-9810 | [2] | CABLE ASSEM. | |
| 21. | 5M-9204 | [1] | TERMINAL ASSEM. (+) | |
| 22. | 2D-8788 | [1] | BOLT | |
| 2D-8787 | [1] | NUT | ||
| 23. | 5M-9205 | [1] | TERMINAL ASSEM. (-) | |
| 24. | 2D-8788 | [1] | BOLT | |
| 2D-8787 | [1] | NUT | ||
| 25. | 4B-4278 | [4] | WASHER | |
| 26. | 2D-8514 | [1] | CABLE ASSEM. | |
| 27. | 5M-9204 | [1] | TERMINAL ASSEM. (+) | |
| 28. | 2D-8788 | [1] | BOLT | |
| 2D-8787 | [1] | NUT | ||
| 29. | 5M-9205 | [1] | TERMINAL ASSEM. | |
| 30. | 2D-8788 | [1] | BOLT | |
| 2D-8787 | [1] | NUT | ||
| 31. | 6D-3354 | [1] | BASE ASSEM. | |
| 32. | 2D-8408 | [4] | PIN | |
| 33. | 5D-0555 | [4] | EYE BOLT | |
| 34. | 3H-6660 | [4] | PIN (Spring) | |
| 35. | 4B-4280 | [4] | WASHER | |
| 36. | 1M-7794 | [1] | CABLE ASSEM. | |
| 37. | 1M-4986 | [1] | TERMINAL (Motor) | |
| 38. | 3D-2098 | [1] | TERMINAL ASSEM. (+) | |
| 2D-8403 | [1] | TERMINAL | ||
| 39. | 2D-8788 | [1] | BOLT | |
| 2D-8787 | [1] | NUT | ||
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0718S0046
PANEL, FUSE BOX AND WIRING HARNESS
PANEL, FUSE BOX AND WIRING HARNESS
7D3877 Harness and 1M3387 Lamp parts are shown on Pages 41 & 42
7D3877 Harness and 1M3387 Lamp parts are shown on Pages 41 & 42
Parts for your 12F MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4D-1288 | [1] | SEAL | |
| 2. | 1M-3387 Y | [1] | LAMP ASSEM. (Dash) | |
| (Separate Illustration) | ||||
| 3. | 7S-6402 | [1] | SWITCH (Three Position) | |
| 4. | 5M-2555 | [1] | CIRCUIT BREAKER (Manual) | |
| 5. | 7F-6429 | [1] | AMMETER | |
| 6. | 4D-3889 | [1] | PANEL | |
| 7. | 8S-7713 | [1] | SWITCH ASSEM. (Heat-Start) | |
| 8F-3437 | [1] | LEVER | ||
| 5L-7200 | [1] | SCREW | ||
| 3B-4501 | [1] | LOCKWASHER | ||
| 8. | 1H-3337 | [4] | BOLT | |
| 3D-5074 | [4] | NUT | ||
| 4D-3397 | [1] | STRAP | ||
| 9. | 8M-2770 | [1] | CLIP | |
| 10. | 3D-9799 | [2] | SCREW | |
| 11. | 3D-9718 | [1] | SWITCH (Push) | |
| 12. | 6K-9593 | [1] | PLUG | |
| 13. | 1H-5839 | [1] | WIRE ASSEM. | |
| 1F-7240 | [1] | TERMINAL (Horn) | ||
| 6B-2759 | [1] | TERMINAL (Bracket) | ||
| 7B-4826 | [2] | INSULATOR | ||
| 14. | 4B-3388 | [2] | BOLT | |
| 1D-4716 | [2] | NUT | ||
| 15. | 1H-7186 | [2] | LOCKWASHER | |
| 16. | 5D-8936 | [1] | BOX ASSEM. | |
| 17. | 9B-7242 | [2] | SCREW | |
| 8H-0878 | [2] | LOCKWASHER | ||
| 18. | 3D-4529 | [1] | FUSE (14 amp) | |
| 19. | 5D-0850 | [1] | CONNECTOR | |
| 20. | 5D-0853 | [2] | SCREW | |
| 21. | 5D-0849 | [1] | BLOCK | |
| 22. | 0T-0102 | [2] | BOLT | |
| 23. | 3B-4506 | [8] | LOCKWASHER | |
| 24. | 4K-5124 | [1] | CIRCUIT BREAKER (Automatic) | |
| 25. | 5L-2579 | [1] | GROMMET | |
| 26. | 4D-8948 | [1] | CLIP | |
| 27. | 3H-2137 C | [2] | SPACER | |
| 28. | 0S-1588 C | [2] | BOLT | |
| 29. | 3B-4505 | [1] | LOCKWASHER | |
| 4B-4277 | [1] | WASHER | ||
| 30. | 8D-3809 C | [1] | HARNESS ASSEM. | |
| 31. | 7F-9224 | [1] | TERMINAL | |
| 32. | 3D-4467 | [2] | TERMINAL | |
| 33. | 4S-1988 | [1] | TERMINAL | |
| 34. | 0S-0509 | [3] | BOLT | |
| 35. | 1D-4717 | [3] | NUT | |
| 36. | 4D-3626 | [1] | COVER | |
| 37. | 7D-3877 Y | [1] | HARNESS | |
| (Separate Illustration) | ||||
| 38. | 4D-7735 | [2] | CLIP | |
| 39. | 5D-0987 | [1] | WIRE ASSEM. | |
| 40. | 7F-9224 | [2] | TERMINAL | |
| 41. | 9B-4197 | [1] | GROMMET | |
| 42. | 4H-2558 | [1] | GROMMET | |
| 43. | 5D-3570 | [1] | HORN | |
| 44. | 8D-3652 C | [1] | WIRE ASSEM. | |
| 6D-9404 | [1] | TERMINAL | ||
| 45. | 4S-1988 | [1] | TERMINAL | |
| 46. | 8D-3653 C | [1] | WIRE ASSEM. | |
| 6D-9404 | [1] | TERMINAL | ||
| 47. | 4L-3916 | [1] | TERMINAL | |
| 48. | 4M-6425 C | [2] | BOLT | |
| 4M-5280 | [2] | NUT | ||
| 7S-4408 | [4] | WASHER | ||
| 49. | 8D-3531 C | [1] | BRACKET | |
| 50. | 8D-3577 C | [1] | SWITCH | |
| 8D-3637 | [1] | ACTUATOR | ||
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0718S0047
WIRING DIAGRAM
WIRING DIAGRAM--24 Volt System
#UEG0718S0048
7D-3877: HARNESS ASSEMBLY
7D3877 HARNESS ASSEMBLY
Part of Panel, Fuse Box and Wiring Harness shown on Page 39
Part of Panel, Fuse Box and Wiring Harness shown on Page 39
#UEG0718S0049
7H-7290: SWITCH AS-DISCONNECT
7H7290 DISCONNECT SWITCH ASSEMBLY
Part of Batteries, Switch Assembly & Cables shown on Page 38
Part of Batteries, Switch Assembly & Cables shown on Page 38
Information:
ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP
General Service Information
Engine News
Special Instruction
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Replace Armature of Starter Motor On All Cat<SUP>®</SUP> Products {1408, 1450, 1453}
Procedure to Replace Armature of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Armature of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat<SUP>®</SUP> Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat<SUP>®</SUP> Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Specifications
Systems Operation
Testing and Adjusting
Troubleshooting
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
37-MT, 41-MT, and 42-MT Series Starting Motors
37-MT, 41-MT, and 42-MT Series Starting Motors
Disassembly and Assembly
Service Magazine
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16
1987/03/16
Caterpillar Parts SIS Catalog 12F :
Truck sale:
149.800




