ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GPSWITCH GP
SOLENOID GP
BATTERY GP
SWITCH GP
BATTERY GP
ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP#UEG0845S0020
4N-7905: STARTING MOTOR GP-ELECTRIC
4N7905 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 2 of 3
Part of 4N7199 Starting Motor Group shown on Page 24
Only separate parts serviced. When complete Group is required order 4N7903
Part of 4N7199 Starting Motor Group shown on Page 24
Only separate parts serviced. When complete Group is required order 4N7903
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4M-1849 | [1] | LEAD ASSEM. | |
| 2. | 4M-0189 | [1] | SEAL | |
| 3. | 7F-3529 | [3] | WASHER | |
| 4. | 8H-0878 | [3] | LOCKWASHER | |
| 5. | 4B-1221 | [3] | SCREW | |
| 6. | 4M-1846 | [1] | PLATE ASSEM. | |
| 7. | 7F-3525 | [8] | BUSHING | |
| 8. | 7F-4550 | [1] | PLATE | |
| 9. | 5H-6467 | [2] | SCREW | |
| 10. | 7H-2079 | [8] | LOCKWASHER | |
| 11. | 2L-6679 | [2] | PLATE | |
| 12. | 7F-4546 | [4] | HOLDER | |
| 13. | 7F-3522 | [2] | SCREW | |
| 14. | 7F-3512 | [8] | SPRING | |
| 15. | 9M-7652 | [1] | PLATE ASSEM. | |
| 16. | 7F-4549 | [2] | PLATE | |
| 17. | 4B-1311 | [2] | SCREW | |
| 18. | 7F-4545 | [1] | PLATE | |
| 19. | 3H-3697 | [2] | SCREW | |
| 20. | 2F-2860 | [6] | SCREW .312 in.(7.92 mm) long | |
| 4B-1220 | [2] | SCREW .375 in.(9.53 mm) long | ||
| 3B-4501 | [8] | LOCKWASHER | ||
| 21. | 4M-1845 | [8] | BRUSH ASSEM. | |
| 22. | 7F-3491 | [2] | WASHER | |
| 23. | 8F-9206 | [1] | SEAL | |
| 26. | 7F-3494 | [1] | WASHER | |
| 27. | 3B-4508 | [2] | LOCKWASHER | |
| 28. | 1D-5117 | [1] | NUT | |
| 29. | 1D-4719 | [1] | NUT |
#UEG0845S0021
4N-7905: STARTING MOTOR GP-ELECTRIC
4N7905 ELECTRIC STARTING MOTOR GROUP--Delco-Remy--24 Volt--Part 3 of 3
Part of 4N7199 Starting Motor Group shown on Page 24
Only separate parts serviced. When complete Group is required order 4N7903
Part of 4N7199 Starting Motor Group shown on Page 24
Only separate parts serviced. When complete Group is required order 4N7903
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9M-7606 | [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. | 4S-7899 | [1] | HOUSING ASSEM. | |
| 9. | 9F-2547 | [1] | WICK | |
| 10. | 2B-4602 | [1] | PLUG | |
| 11. | 1M-9968 | [1] | BUSHING | |
| 12. | 2F-6678 | [1] | SEAL | |
| 13. | 4L-2729 | [1] | WASHER | |
| 14. | 2H-3429 | [2] | RING | |
| 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. | |
| 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. | 2P-4708 C | [1] | DRIVE ASSEM. (800068) | |
| 23. | 9S-9771 | [1] | PINION | |
| 24. | 9S-9770 | [1] | SPRING | |
| -OR- | ||||
| 25. | 6N-3827 CH | [1] | DRIVE ASSEM. (480118) | |
| 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 | |
| 31. | 4M-1854 | [1] | SHAFT | |
| 32. | 2D-6392 | [1] | SEAL | |
| THE FOLLOWING REPAIR KITS ARE AVAILABLE: | ||||
| 3N-3763 C | [1] | TERMINAL KIT (Insulator) | ||
| FOR 2P4708 DRIVE ASSEM.: | ||||
| 9S-9825 | [1] | KIT (cup) | ||
| 4S-9459 | [1] | KIT (washer) | ||
| C | INDICATES CHANGE | |||
| H | NOT PART OF 4N7905 MOTOR GROUP | |||
#UEG0845S0022
4N-7904: STARTING MOTOR GP-ELECTRIC
4N7904 ELECTRIC STARTING MOTOR GROUP--Prestolite--24 Volt--Part 1 of 2
Part of 4N7199 Starting Motor Group shown on Page 24. 9S7976 Solenoid parts are shown on Page 30
Only separate parts serviced. When complete Group is required order 4N7903
Part of 4N7199 Starting Motor Group shown on Page 24. 9S7976 Solenoid parts are shown on Page 30
Only separate parts serviced. When complete Group is required order 4N7903
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1D-5117 | [2] | NUT | |
| 2. | 3B-4508 | [6] | LOCKWASHER | |
| 3. | 2P-8823 | [1] | CONNECTOR | |
| 4. | 2P-8821 | [1] | LEAD ASSEM. | |
| 5. | 2P-8819 | [1] | KIT (Field Terminal Stud) | |
| (Includes Stud, Bushing & Washers) | ||||
| 6. | 1D-4719 | [4] | NUT | |
| 7. | 9S-7976 Y | [1] | SOLENOID ASSEM. | |
| (Separate Illustration) | ||||
| 8. | 6H-3622 | [4] | SCREW | |
| 3B-4504 | [4] | LOCKWASHER | ||
| 3K-6116 | [4] | WASHER | ||
| 9. | 4M-3217 | [2] | SCREW | |
| 10. | 4B-1220 | [3] | SCREW | |
| 11. | 8S-1553 | [1] | GASKET | |
| 12. | 3B-4502 | [7] | LOCKWASHER | |
| 13. | 1P-7831 | [1] | HEAD ASSEM. (Commutator End) | |
| 14. | 2B-4602 | [1] | PLUG | |
| 15. | 1P-7832 | [1] | KIT (Bearing & Wick) | |
| 16. | 2P-8820 | [1] | KIT (Commutator End Terminal Stud) | |
| (Includes Stud, Bushing & Washers) | ||||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0845S0023
4N-7904: STARTING MOTOR GP-ELECTRIC
4N7904 ELECTRIC STARTING MOTOR GROUP--Prestolite--24 Volt--Part 2 of 2
Part of 4N7199 Starting Motor Group shown on Page 24
Only separate parts serviced. When complete Group is required order 4N7903
Part of 4N7199 Starting Motor Group shown on Page 24
Only separate parts serviced. When complete Group is required order 4N7903
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-8822 | [1] | PLATE ASSEM. | |
| 2. | 2P-8815 | [1] | KIT (Includes 8 Brushes) | |
| 2P-8868 | [1] | KIT (Includes 8 Springs) | ||
| 3. | 2P-8825 | [1] | SHIFT YOKE ASSEM. | |
| 4. | 2P-8817 | [1] | KIT (Yoke Adjusting) | |
| (Includes Plugs, Pin, Gasket & Nut) | ||||
| 5. | 8S-1535 | [1] | KIT (Includes 6 Plugs) | |
| 6. | 8S-2222 | [6] | KIT (Includes 10 Insulations) | |
| 7. | 8S-4684 | [1] | KIT (Bearing & Wick) | |
| 8. | 8S-1543 | [1] | HOUSING ASSEM. (Pinion) | |
| 9. | 2B-4602 | [1] | PLUG | |
| 10. | 8S-4680 | [1] | KIT (Includes 10 Seals) | |
| 11. | 4N-4517 | [1] | DRIVE ASSEM. | |
| 12. | 2H-3931 | [1] | SEAL | |
| 13. | 2P-8824 | [1] | HOUSING ASSEM. | |
| 2B-4602 | [1] | PLUG | ||
| 14. | 8S-2226 | [1] | BUSHING | |
| 15. | 8S-2225 | [1] | SEAL | |
| 16. | 0L-1340 | [7] | SCREW | |
| 2P-8816 | [1] | KIT (Includes Housing Screws) | ||
| 17. | 3B-4504 | [7] | LOCKWASHER | |
| 18. | 4M-0189 | [1] | SEAL | |
| 19. | 2P-8818 | [1] | KIT (Field Coil) | |
| (Includes Coils, Gaskets & Screws) | ||||
| 20. | 8S-1546 | [1] | ARMATURE ASSEM. | |
| 8S-8075 | [1] | KIT (Armature Thrust Washers) | ||
#UEG0845S0024
6N-5123: SWITCH AS-SOLENOID
6N5123 SOLENOID SWITCH ASSEMBLY
Part of 4N7905 Motor Group shown on Page 25
Part of 4N7905 Motor Group shown on Page 25
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4M-1816 | [ 1] | TERMINAL ASSEM. | |
| 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 | [ 1] | STUD (R.H.) | |
| 4M-1835 | [ 1] | STUD (L.H.) | ||
| 10. | 4M-2800 | [ 1] | TERMINAL | |
| 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 |
#UEG0845S0025
9S-7976: SOLENOID AS
9S7976 SOLENOID SWITCH ASSEMBLY
Part of 4N7904 Motor Group shown on Page 28
Part of 4N7904 Motor Group shown on Page 28
Parts for your 950 WHEEL LOADER:
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 | |||
#UEG0845S0026
7K-8331: BATTERY GROUP
7K8331 BATTERY GROUP--Heavy Duty--24 Volt--185 Ampere Hours
Also part of 1P272 Direct Electric Starting Arrangement
listed on Page 24. AN ATTACHMENT
Also part of 1P272 Direct Electric Starting Arrangement
listed on Page 24. AN ATTACHMENT
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | [1] | FRAME ASSEM. | ||
| 2. | [2] | BATTERY | ||
| 3. | [6] | PLUG | ||
| 4. | [1] | MAT | ||
#UEG0845S0027
7H-7290: SWITCH AS-DISCONNECT
7H7290 DISCONNECT SWITCH ASSEMBLY
Part of Battery and Wiring shown on Page 34
Part of Battery and Wiring shown on Page 34
#UEG0845S0028
7K-2630: BATTERY AND WIRING
BATTERY AND WIRING (7K2630 N/S)--24 Volt--As Viewed from R.H. Side of Machine--Part 1 of 3
See Page 35 for Wiring Diagram
See Page 35 for Wiring Diagram
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | [5] | CLIP | ||
| 2. | C | [13] | NUT | |
| 3. | [19] | LOCKWASHER | ||
| 4. | [2] | BOLT | ||
| [2] | WASHER | |||
| 5. | [1] | TUBE | ||
| 6. | [1] | SWITCH (Hydraulic Pressure) | ||
| 7. | [3] | TIE | ||
| 8. | [3] | BOLT | ||
| 9. | [1] | CLIP | ||
| [1] | GROMMET | |||
| 10. | [1] | GROMMET | ||
| 11. | [2] | CLIP | ||
| 12. | [2] | SLEEVE | ||
| 13. | C | [7] | CLIP | |
| 14. | [1] | HARNESS ASSEM. | ||
| 15. | [1] | TERMINAL | ||
| 16. | [1] | GROMMET | ||
| 17. | [2] | CLIP | ||
| 18. | [2] | GROMMET | ||
| 19. | [1] | COVER | ||
| 20. | [2] | BOLT | ||
| [2] | LOCKWASHER | |||
| 21. | C | [2] | CLIP | |
| 22. | C | [1] | BOLT | |
| C | INDICATES CHANGE | |||
#UEG0845S0029
7K-2630: BATTERY AND WIRING
BATTERY AND WIRING (7K2630 N/S)--24 Volt--As Viewed from R.H. Side of Machine--Part 2 of 3
7K2760 Harness, 3K1650 Switch and 1M3387 Lamp parts are shown on Pages 36 and 37
See Page 35 for Wiring Diagram
7K2760 Harness, 3K1650 Switch and 1M3387 Lamp parts are shown on Pages 36 and 37
See Page 35 for Wiring Diagram
Parts for your 950 WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 0S-1614 | [2] | BOLT | |
| 1B-4330 | [2] | NUT | ||
| 3B-4504 | [2] | LOCKWASHER | ||
| 2. | 4K-6693 | [1] | WIRE ASSEM. | |
| (Includes) | ||||
| 4S-8787 CH | WIRE 8 in.(2.03 dm) | |||
| 3. | 2D-8783 | [1] | TERMINAL | |
| 4. | 2D-3981 | [2] | INSULATOR | |
| 5. | 6H-6756 | [1] | TERMINAL | |
| 6. | 7K-8924 | [1] | BUZZER | |
| 7. | 5M-2555 C | [1] | CIRCUIT BREAKER | |
| 8. | 5M-6668 | [2] | SCREW | |
| 9. | 4B-1221 | [2] | SCREW | |
| 4B-2043 | [2] | NUT | ||
| 3B-4501 | [2] | LOCKWASHER | ||
| 4K-5124 | [1] | CIRCUIT BREAKER | ||
| 10. | 7K-5537 | [1] | PLATE (inlay) | |
| 7K-9630 | [1] | PLATE | ||
| 11. | 8S-7713 | [1] | SWITCH ASSEM. (heat start) | |
| (Includes) | ||||
| 8F-3437 | [1] | LEVER | ||
| 5L-7200 | [1] | SCREW | ||
| 3B-4501 | [1] | LOCKWASHER | ||
| 12. | 5K-0906 | [5] | BOLT | |
| 4B-4277 | [5] | WASHER | ||
| 13. | 4K-8030 | [3] | CLIP | |
| 14. | 1M-3387 Y | [2] | LAMP ASSEM. (dash) | |
| (Separate Illustration) | ||||
| 15. | 4K-8029 | [1] | FUSE HOLDER | |
| 16. | 8M-8948 | [4] | FUSE (15 AMP) | |
| 17. | 4K-5122 | [3] | FUSE HOLDER | |
| 18. | 7F-6429 | [1] | AMMETER | |
| 19. | 9S-4029 | [1] | WIRE ASSEM. | |
| (Includes) | ||||
| 4S-8787 CH | WIRE 15 in.(3.81 dm) | |||
| 20. | 2L-8076 | [2] | TERMINAL | |
| 21. | 1P-5909 | [1] | INDICATOR ASSEM. | |
| (Includes) | ||||
| 3S-4603 | [1] | INDICATOR | ||
| 7S-3797 | [1] | RING | ||
| 22. | 3K-1650 Y | [1] | SWITCH ASSEM. (light) | |
| (Separate Illustration) | ||||
| 23. | 5D-0172 | [1] | WIRE ASSEM. | |
| (Includes) | ||||
| 4S-8787 CH | WIRE 18 in.(4.57 dm) | |||
| 24. | 2D-8783 | [2] | TERMINAL | |
| 25. | 7K-6831 | [1] | WIRE ASSEM. | |
| (Includes) | ||||
| 4S-8787 CH | WIRE 21 in.(5.33 dm) | |||
| 4K-8229 | [1] | TERMINAL | ||
| 26. | 6H-6756 | [1] | TERMINAL | |
| 27. | 7K-2760 Y | [1] | HARNESS ASSEM. | |
| (Separate Illustration) | ||||
| 28. | 8K-5278 C | [1] | WIRE ASSEM. | |
| (Includes) | ||||
| 4S-8785 H | WIRE 30 in.(7.62 dm) | |||
| 29. | 1F-7240 | [1] | TERMINAL | |
| 7B-4826 | [2] | INSULATOR | ||
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
| H | ORDER BY THE FOOT | |||
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
New PRELUB Systems Available For Medium To Large Caterpillar Construction Equipment {1319}
1992/04/06
1992/04/06

