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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 950




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
c150602 UEG0845S
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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
c152728 UEG0845S
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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
c146835 UEG0845S
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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
c146836 UEG0845S
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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
c155235 UEG0845S
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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
c115899 UEG0845S
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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
c133558 UEG0845S
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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
c112435 UEG0845S
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Parts for your 950 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8H-5306 [1] KEY  
2. 8H-5303 [1] NUT  
3. 2H-3922 [1] LOCKWASHER  
4. 7F-7259 [4] LOCKWASHER  
5. 6F-7045 [4] NUT  
 

#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
c115915 UEG0845S
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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
c203084 UEG0845S
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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:

General Service Information
Introduction
DELCO REMY CRANKING MOTORS 30-MT, 35-MT, 40-MT, 50-MT SERIES
Delco Remy
DELCO REMY CRANKING MOTORS 30-MT, 35-MT, 40-MT, 50-MT SERIES
Engine News
Special Instruction
Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Starting Motor Solenoid - Replace {1467}
Starting Motor Solenoid - Replace {1467}
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}
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 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>&reg;</SUP> 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>&reg;</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 Drive Assembly of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Specifications
Starting Motor
37-MT, 41-MT, and 42-MT Series Starting Motors
Systems Operation
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Component Description
37-MT, 41-MT, and 42-MT Series Starting Motors
Normal Operation
37-MT, 41-MT, and 42-MT Series Starting Motors
Testing and Adjusting
No Load - Test
37-MT, 41-MT, and 42-MT Series Starting Motors
Brush and Brush Holder - Check
37-MT, 41-MT, and 42-MT Series Starting Motors
Pinion Clearance - Adjust
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor Solenoid - Test
37-MT, 41-MT, and 42-MT Series Starting Motors
Troubleshooting
Starting Motor Does Not Turn or Turns Slowly
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Disassembly and Assembly
Starting Motor - Disassemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Assemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Disassemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Assemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Service Magazine

Caterpillar Parts SIS Catalog 950 :

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