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8L5939 ELECTRIC STARTING MOTOR ASSEMBLY--R.H.--32 Volt--Part 2 of 2 Part of 6L1550 and 6L2747 Electric Starting Groups shown on Pages 57 and 58 D379A


ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP

MARINE ENGINE D379A MARINE ENGINE 69B
 D379B MARINE ENGINE 69B01227-UP UEG0647S D379A 69B   (1961)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
STARTING MOTOR AS-ELECTRIC
8L-5937 STARTING MOTOR AS-ELECTRIC
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
STARTING MOTOR GP-ELECTRIC
6N-0424 STARTING MOTOR GP-ELECTRIC
 

#UEG0647S0270
 

8L-5939: MOTOR AS-ELECTRIC STARTING

8L5939 ELECTRIC STARTING MOTOR ASSEMBLY--R.H.--32 Volt--Part 2 of 2
Part of 6L1550 and 6L2747 Electric Starting Groups shown on Pages 57 and 58
c229021 UEG0647S
8L5939 MOTOR AS-ELECTRIC STARTING Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-0324 [1] COIL ASSEM.  
  3L-3380 [1] BUSHING  
  7M-0329 [12] BRUSH ASSEM.  
  2F-2860 [12] SCREW  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  3N-3763 [1] KIT (terminal)  
    (Includes Bushings, Insulator and Washer)
  9G-4101 C [1] BUSHING  
  1H-9721 [1] PLUG  
    (Part of 7m328 Assem.)
  7F-3491 [2] WASHER  
  7M-0327 [1] WASHER  
  6N-3279 C [1] INSULATOR  
  7M-0328 [1] FRAME ASSEM.  
  2B-4602 [1] PLUG  
  4M-1890 [1] WICK  
    (Parts of Frame Assem. 7M328)
  4M-0189 [1] SEAL  
  4B-1220 C [3] MACHINE SCREW  
  8H-0878 [3] LOCKWASHER  
  7F-3529 [3] WASHER  
  7M-8651 [1] ARMATURE ASSEM.  
  7M-0325 [1] INSULATOR  
  7M-0333 [1] HOUSING ASSEM.  
  4M-1828 [1] RETAINER  
  4M-0188 [1] WASHER  
  4M-1829 [1] BOOT  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
    (Parts of Housing Assem. 7M333)
    THE FOLLOWING REPAIR KITS ARE AVAILABLE FOR 1P2508 DRIVE ASSEM.:
  7N-6098 C [1] KIT (cup)  
    (Includes Cup, Spring & Retainer)
  4S-9459 [1] KIT (washer)  
    (Includes Washers & Retainer Cup)
  9M-7609 [1] SPRING  
  4M-1855 [1] PLUNGER ASSEM.  
  4M-1827 [1] RETAINER  
  9M-7611 [1] RING  
  3F-2617 [1] NUT  
  4M-1853 [1] LEVER ASSEM.  
  4M-1854 [1] SHAFT  
  1H-1023 [1] SEAL (.369 in. dia.)  
  2D-6392 [1] SEAL (.239 in. dia.)  
  9M-7611 [1] RING  
  1P-2508 C [1] DRIVE ASSEM.  
    (1894211)
    -OR-
  6N-3826 HC [1] DRIVE ASSEM.  
    (480321)
  9S-9774 [1] PINION  
    (Part of 1P2508 Assem.)
  4M-1851 [1] GASKET  
  4M-1833 [5] SCREW (1.50 in. long)  
  7M-0336 [1] SCREW (.86 in. long)  
  4L-2729 [1] WASHER  
  1M-9968 [1] BUSHING  
  2F-6678 [1] SEAL  
    (Parts of Housing Assem. 7M333)
  1M-9971 [1] SPACER  
  4M-0189 [1] SEAL  
  1H-2629 [3] STRIP  
  C   INDICATES CHANGE
  H   NOT PART OF 8L5939 MOTOR ASSEM.
 

#UEG0647S0271
 

8L-6205: MOTOR AS-ELECTRIC STARTING

8L6205 ELECTRIC STARTING MOTOR ASSEMBLY--R.H. and L.H.--32 Volt--Part 1 of 2
Part of 6L2748 Electric Starting Group shown on Page 59
5L8595 Switch parts are shown on Page 66
c231223 UEG0647S
8L6205 MOTOR AS-ELECTRIC STARTING Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-0326 [1] CONNECTOR  
  3H-3680 [2] NUT  
  9F-4976 [1] LOCKWASHER  
  7F-3494 [1] WASHER (.031" THICK)  
  9H-3757 [2] WASHER (.093" THICK)  
  3L-3380 [1] BUSHING  
  4M-0189 [2] SEAL  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
  1H-9721 [1] PLUG  
  9G-4101 C [1] BUSHING  
    (PARTS OF FRAME ASSEM 5L6428)
  7M-0327 [1] WASHER  
  5L-6428 [1] FRAME ASSEM  
  4B-1221 [3] SCREW  
  8H-0878 [3] LOCKWASHER  
  7F-3529 [3] WASHER  
  2F-2860 [12] SCREW  
  7M-0329 [12] BRUSH ASSEM  
  7M-0325 [1] INSULATOR  
  7M-8651 [1] ARMATURE ASSEM  
  5L-6425 [1] COIL ASSEM  
  4M-1855 [1] PLUNGER ASSEM  
  4M-1828 [1] RETAINER  
  4M-0188 [1] WASHER  
  4M-1829 [1] BOOT  
  6H-3622 [4] SCREW ASSEM  
  5L-8595 Y [1] SWITCH ASSEM  
    (SEE SEPARATE ILLUSTRATION)
  7F-3488 [6] POLE  
  1H-2629 [3] INSULATOR  
  1M-9971 [1] SPACER  
  2F-6678 [1] SEAL  
  1M-9968 [1] BUSHING  
    (PARTS OF HOUSING ASSEM 7M333)
  9M-7609 [1] SPRING  
  7M-0333 [1] HOUSING ASSEM  
  4M-1827 [1] RETAINER  
  9M-7611 [1] RING  
  3F-2617 [1] NUT  
  4M-1853 [1] LEVER ASSEM.  
  4M-1854 [1] SHAFT  
  1H-1023 [1] SEAL (.369 DIA.)  
  2D-6392 [1] SEAL (.239 DIA.)  
  9M-7611 [1] RING  
  4M-1851 [1] GASKET  
  3N-3150 C [1] CLUTCH ASSEM  
  3N-3149 C [1] PINION  
    (Part of 3N3150 Assem.)
  4M-1833 [5] SCREW (1.50" LONG)  
  7M-0336 [1] SCREW (.86" LONG)  
  4L-2729 [1] WASHER  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
    (PARTS OF HOUSING ASSEM 7M333)
    THE FOLLOWING CLUTCH ASSEM. REPAIR KITS ARE AVAILABLE:
  7N-6098 C [1] KIT (cup)  
    (Includes Cup, Spring & Retainer)
  4S-9459 [1] KIT (washer)  
    (Includes Washers and Retainer Cup)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0647S0272
 

8L-6205: MOTOR AS-ELECTRIC STARTING

8L6205 ELECTRIC STARTING MOTOR ASSEMBLY--R.H. and L.H.--32 Volt--Part 2 of 2
Part of 6L2748 Electric Starting Group shown on Page 59
c170408 UEG0647S
8L6205 MOTOR AS-ELECTRIC STARTING Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-0332 [1] PLATE  
  5H-6467 [3] MACHINE SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7M-0331 [1] PLATE ASSEM  
  [3] PLATE  
  3H-3697 [3] PIN  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3512 [12] SPRING  
    (PARTS OF PLATE ASSEM 7M330)
  4M-1849 [1] LEAD ASSEM  
  7M-0330 [1] PLATE ASSEM  
  6N-3279 C [1] INSULATOR  
  1D-4719 [1] NUT  
  9F-4976 [1] LOCKWASHER  
  3H-3680 [1] NUT  
  9F-4976 [1] LOCKWASHER  
  7F-3494 [1] WASHER  
  7F-3491 [2] WASHER  
  8F-9206 [1] SEAL  
  4M-1831 [3] PLUG  
  7L-2894 [3] GASKET  
  7F-4556 [6] BOLT  
  8H-3481 [6] LOCKWASHER  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  3N-3763 [1] KIT (insulator)  
    (Includes Washers, Bushings & Insulator)
  3F-0379 [12] SCREW  
  2L-6679 [3] PLATE  
  4B-1311 [3] MACHINE SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3513 [6] HOLDER  
  7F-3522 [3] SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3520 [1] PLATE  
  7F-3521 [3] PLATE  
    (PARTS OF PLATE ASSEM 7M330)
  7F-4556 [7] BOLT  
  8H-3481 [7] LOCKWASHER  
  4M-1831 [1] PLUG  
  7L-2894 [1] GASKET  
  4M-1896 [1] BUSHING  
    (PART OF HOUSING ASSEM 1S297)
  1S-0297 [1] HOUSING ASSEM  
  C   INDICATES CHANGE
 

#UEG0647S0273
 

6N-0424: STARTING MOTOR GP-ELECTRIC

6N424 ELECTRIC STARTING MOTOR GP-24 VOLT-PART 1 OF 3
Replaced By 3T2786-Page 65B.03. 4M1812-Page 66C
Part Of 3N7380 Electric Starting Motor
Note: Do Not Use With Automatic Start-Stop System
c231224 UEG0647S
6N0424 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7F-4556 [6] BOLT  
2. 8H-3481 [6] LOCKWASHER  
3. 5L-6428 [1] FRAME ASSEM.  
    (Includes)
4. 1H-9721 [1] PLUG  
5. 9G-4101 C [1] BUSHING  
6. 2B-4602 [1] PLUG  
7. 9F-2547 [1] WICK  
8. 3H-3680 [2] NUT  
9. 7M-8651 [1] ARMATURE ASSEM.  
10. 3L-3380 [1] BUSHING  
11. 5L-6425 [1] COIL ASSEM.  
12. 9H-3757 [2] WASHER  
13. 7F-3494 [1] WASHER  
14. 7M-0326 [1] CONNECTOR  
15. 7M-0327 [1] WASHER  
16. 4M-1812 Y [1] SWITCH ASSEM.  
    (Separate Illustration)
17. 6H-3622 [4] SCREW ASSEM.  
18. 9F-4976 [1] LOCKWASHER  
19. 3F-0379 [12] SCREW  
20. 7M-0325 [1] INSULATOR  
21. 4M-1831 [3] PLUG  
22. 7L-2894 [3] GASKET  
23. 1H-2629 [3] STRIP  
24. 7F-3488 [6] POLE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0647S0274
 

6N-0424: STARTING MOTOR GP-ELECTRIC

6N424 ELECTRIC STARTING MOTOR GP-24 VOLT-PART 2 OF 3
Replaced By 3T2786-Page 65B.03
Part Of 3N7380 Electric Starting Motor
Note: Do Not Use With Automatic Start-Stop System
c168739 UEG0647S
6N0424 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

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. 7M-0330 [1] PLATE ASSEM.  
7. 7F-3525 [12] WASHER  
8. 7F-3520 [1] PLATE  
9. 5H-6467 [3] SCREW  
10. 7H-2079 [12] LOCKWASHER  
11. 2L-6679 [3] PLATE  
12. 7F-3513 [6] HOLDER  
13. 7F-3522 [3] SCREW  
14. 7F-3512 [12] SPRING  
15. 7M-0331 [1] PLATE ASSEM.  
16. 7F-3521 [3] PLATE  
17. 7F-7611 [3] SCREW  
18. 7M-0322 [1] PLATE  
19. 3H-3697 [3] SCREW  
20. 2F-2860 [12] SCREW 7.93 mm(.312 in.) long  
21. 7M-0329 [12] BRUSH ASSEM.  
22. 7F-3491 [2] WASHER  
23. 8F-9206 [1] SEAL  
24. 6N-3279 [1] INSULATOR  
25. 1D-4719 [1] NUT  
26. 7F-3494 [1] WASHER  
27. 9F-4976 [2] LOCKWASHER  
28. 3H-3680 [1] NUT  
 

#UEG0647S0275
 

6N-0424: STARTING MOTOR GP-ELECTRIC

6N424 ELECTRIC STARTING MOTOR GP-24 VOLT-PART 3 OF 3
Replaced By 3T2786-Page 65B.03
Part Of 3N7380 Electric Starting Motor
Note: Do Not Use With Automatic Start-Stop System
c168951 UEG0647S
6N0424 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-7606 [1] PLUNGER ASSEM.  
2. 4M-0188 [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. 7M-0333 [1] HOUSING ASSEM.  
    (Includes)
9. 9F-2547 [1] WICK  
10. 9F-2247 [1] PLUG  
11. 1M-9968 [1] BUSHING  
12. 2F-6678 [1] SEAL  
13. 7S-9826 [1] PLUG  
14. 7S-9825 [1] GASKET  
15. 9M-7611 [2] RING  
16. 4L-2729 [1] WASHER  
17. 4M-1853 [1] LEVER ASSEM.  
18. 3F-2617 [1] NUT  
19. 7L-2894 [1] GASKET  
20. 4M-1831 [1] PLUG  
21. 1S-0297 [1] HOUSING ASSEM.  
    (Includes)
22. 4M-1896 [1] BUSHING  
23. 4M-1833 [5] SCREW 38 mm(1.50 in.) long  
  7M-0336 [1] SCREW 22 mm(.875 in.) long  
24. 3N-3150 [1] CLUTCH ASSEM.  
    (Includes)
25. 3N-3149 [1] PINION  
26. 1M-9971 [1] SPACER  
27. 4M-1851 [1] GASKET  
28. 4M-1854 [1] SHAFT  
28. 2D-6392 [1] SEAL  
30. 7F-4556 [7] BOLT  
31. 8H-3481 [7] LOCKWASHER  
32. 4M-0189 [1] SEAL  
    THE FOLLOWING REPAIR KIT IS AVAILABLE
  3N-3763 [1] KIT (terminal)  
    (Includes Bushings, Insulator, & Washer)
  7N-6098 [1] KIT (cup)  
  4S-9459 [1] KIT (washer)  
    (For Repair of 3N3150 Clutch Assem.)
 

#UEG0647S0276
 

3T-2786: STARTING MOTOR GP-ELECTRIC

3T2786 ELECTRIC STARTING MOTOR GP-24 VOLT-PART 1 OF 3
Replaced By 3T8954-Page 65B.06. 3T3421-Page 66D
Part Of 3N7380 Electric Starting Motor
c304389 UEG0647S
3T2786 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 036-9823 [6] BOLT  
2. 1L-4789 [6] LOCKWASHER  
3. 3T-5440 [1] FRAME AS-END  
4. 3T-3423 [1] CUP  
5. 9G-4101 [1] BUSHING-END  
6. 3T-3424 [1] PLUG-FELT  
7. 3H-3680 [1] NUT-JAM  
8. 7M-0327 [1] WASHER-THRUST  
9. 7M-8651 [1] ARMATURE AS  
10. 3L-3380 [1] BUSHING  
11. 5L-6425 [1] COIL AS-FIELD  
12. 9H-3757 [2] WASHER  
13. 7F-3494 [1] WASHER-STUD  
14. 7M-0326 [1] CONNECTOR  
15. 3H-3681 [1] NUT-FULL  
16. 3T-3421 CY [1] SOLENOID AS  
17. 6H-3622 [4] SCREW-MACHINE  
18. 9F-4976 [1] LOCKWASHER  
19. 3F-0379 [12] SCREW-POLE SHOE  
20. 7M-0325 [1] INSULATOR-COIL  
21. 4M-1831 [3] PLUG-LEVER HOUSING  
22. 7L-2894 [3] GASKET  
23. 1H-2629 [3] STRIP-INSULATION  
24. 7F-3488 [6] SHOE-POLE  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#UEG0647S0277
 

3T-2786: STARTING MOTOR GP-ELECTRIC

3T2786 ELECTRIC STARTING MOTOR GP-24 VOLT-PART 2 OF 3
Replaced By 3T8954-Page 65B.06
Part Of 3N7380 Electric Starting Motor
c300518 UEG0647S
3T2786 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3T-3422 [1] WIRE AS  
  5P-5621 D WIRE .23M(9.06IN)  
2. 2L-8071 [1] TERMINAL (1/2IN SCREW)  
3. 2L-8066 [1] TERMINAL  
4. 3T-3106 [3] SCREW AS  
5. 2J-8163 [1] SEAL-O-RING  
6. 7M-0330 [1] PLATE AS-BRUSH  
7. 7F-3525 [12] WASHER-BUSHING  
8. 7F-3520 [1] PLATE-CONNECTOR  
9. 5H-6467 [3] SCREW-MACHINE  
10. 7H-2079 [12] LOCKWASHER  
11. 2L-6679 [3] PLATE-INSULATOR  
12. 7F-3513 [6] HOLDER-BRUSH  
13. 7F-3522 [3] SCREW-HOLDER  
14. 7F-3512 [12] SPRING-BRUSH  
15. 7M-0331 [1] PLATE AS  
16. 3T-4709 [3] PLATE  
17. 7F-7611 [3] SCREW  
18. 7M-0332 [1] PLATE-INSULATOR  
19. 3H-3697 [3] SCREW-SPECIAL  
20. 2F-2860 [12] SCREW-MACHINE  
21. 7M-0329 [12] BRUSH AS  
22. 7F-3491 [2] WASHER  
23. 3H-3680 [1] NUT-JAM  
24. 6N-3279 [1] INSULATOR  
25. 3H-3681 [1] NUT-FULL  
26. 7F-3494 [1] WASHER-STUD  
27. 9F-4976 [1] LOCKWASHER  
  D   ORDER BY THE METER
 

#UEG0647S0278
 

3T-2786: STARTING MOTOR GP-ELECTRIC

3T2786 ELECTRIC STARTING MOTOR GP-24 VOLT-PART 3 OF 3
Replaced By 3T8954-Page 65B.06
Part Of 3N7380 Electric Starting Motor
c300519 UEG0647S
3T2786 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-7606 [1] PLUNGER AS  
2. 036-9821 [1] WASHER  
3. 4M-1829 [1] BOOT-RUBBER  
4. 4M-1828 [1] RETAINER-SPRING  
5. 9M-7609 [1] SPRING  
6. 4M-1827 [1] RETAINER-SPRING  
7. 1H-1023 [1] SEAL-O-RING  
8. 3T-3420 [1] HOUSING AS-LEVER  
9. 3T-3424 [1] PLUG-FELT  
10. 3T-3423 [1] CUP  
11. 9G-9817 [1] BUSHING  
12. 2F-6678 [1] SEAL-LIP TYPE  
13. 3T-3433 [1] PLUG  
14. 4M-1851 [1] GASKET  
15. 9M-7611 [2] RING-RETAINING  
16. 2J-8163 [2] SEAL-O-RING  
17. 4M-1853 [1] LEVER AS-SHIFT  
18. 5M-3034 [1] LOCKNUT  
19. 7L-2894 [1] GASKET  
20. 4M-1831 [1] PLUG-LEVER HOUSING  
21. 3T-4700 [1] HOUSING AS-DRIVE  
22. 9G-9818 [1] BUSHING  
23. 3T-3424 [1] PLUG-FELT  
24. 3T-3423 [1] CUP  
25. 4M-1833 [4] SCREW 38.1MM(1.5IN)LG  
  7M-0336 [1] SCREW 22.23MM(.875IN)LG  
26. 1M-9971 [1] SPACER  
27. 3T-5343 [1] DRIVE AS-MOTOR  
28. 4M-1854 [1] SHAFT-LEVER  
29. 2D-6392 [1] SEAL-O-RING  
30. 036-9823 [7] BOLT  
31. 1L-4789 [7] LOCKWASHER  
 

#UEG0647S0279
 

3T-8954: STARTING MOTOR GP-ELECTRIC

3T8954 ELECTRIC STARTING MOTOR GROUP-24 VOLT-PART 1 OF 3
3T3421-Page 66D. Part Of 3N7380 Electric Starting Motor
c303717 UEG0647S
3T8954 STARTING MOTOR GP-ELECTRIC Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 036-9823 [6] BOLT  
2. 7F-3488 [6] SHOE  
3. 3T-5440 [1] FRAME ASSEM.  
    (Includes)
4. 3T-3423 [1] CUP  
5. 9G-4101 [1] BUSHING  
6. 3T-3424 [1] PLUG  
7. 3H-3680 [1] NUT  
8. 7M-0327 [1] WASHER  
9. 7M-8651 [1] ARMATURE ASSEM.  
10. 3L-3380 [1] BUSHING  
11. 5L-6425 [1] COIL ASSEM.  
12. 9H-3757 [2] WASHER  
13. 7F-3494 [1] WASHER  
14. 7M-0326 [1] CONNECTOR  
15. 3H-3681 [1] NUT  
16. 3T-3421 Y [1] SOLENOID ASSEM.  
    (Separate Illustration)
17. 6H-3622 [4] SCREW ASSEM.  
18. 9F-4976 [1] LOCKWASHER  
19. 3F-0379 [12] SCREW  
20. 7M-0325 [1] INSULATOR  
21. 4M-1831 [3] PLUG  
22. 7L-2894 [3] GASKET  
23. 1H-2629 [3] STRIP  
  Y   SEPARATE ILLUSTRATION
 

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
New Air Starting Motor Group Available
1982/08/25
New Air Starting Motor Has A Slip-Clutch Type Drive Gear
1983/10/26
12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors
1987/02/01
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts
1987/03/01
Testing The Starter On The Engine
1987/05/01
Remanufactured Heavy-Duty Starters And High-Amp Alternators
1987/06/01
Be Sure Battery Cable To Starter Connection Has Correct Torque
1988/03/01
Magnetic Switches (Starter Relays) Improved
1988/03/01
Air Starter Relay Valve Improved
1991/07/01
Improved Remanufactured Electric Starting Motors are Now Available {1453}
2003/11/01
Special Instruction
Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Caterpillar PRELUB<SUP>&reg;</SUP> Diagnostics{1469}
Caterpillar PRELUB® Diagnostics{1469}
Solenoid (Starting Motor) &minus; Replace{1467}
Solenoid (Starting Motor) − 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
Prelube Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starter Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starter Solenoids
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Pressure Regulating Valve For Air Starting Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Air Starting Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Hydraulic Starting Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Charging Pump For Hydraulic Starting
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Hand Pump For Hydraulic Starter
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Pressure Accumulator For Hydraulic Starter
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starting Motor
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor
Starting Motor - Delco 50-MT
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
Component Description
Starting Motor - Delco 50-MT
General Information
Starting Motor - Delco 50-MT
Normal Operation
Starting Motor - Delco 50-MT
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
Starting Motor Solenoid - Test
Starting Motor - Delco 50-MT
Field Winding - Test
Starting Motor - Delco 50-MT
Armature - Test
Starting Motor - Delco 50-MT
Brush and Brush Holder - Check
Starting Motor - Delco 50-MT
Pinion Drive - Check
Starting Motor - Delco 50-MT
No Load - Test
Starting Motor - Delco 50-MT
Pinion Clearance - Adjust
Starting Motor - Delco 50-MT
Troubleshooting
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
37-MT, 41-MT, and 42-MT Series Starting Motors
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
General Information
Starting Motor - Delco 50-MT
Pinion Does Not Engage Ring Gear
Starting Motor - Delco 50-MT
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
Starting Motor - Delco 50-MT
Starting Motor Continues to Operate after Start Switch Has Been Released
Starting Motor - Delco 50-MT
Pinion Continues to Engage after Engine Starts
Starting Motor - Delco 50-MT
Starting Motor Does Not Turn or Turns Slowly
Starting Motor - Delco 50-MT
Disassembly and Assembly
Prelubrication Oil Pump (D399)
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Sump Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Electric Starting Motors
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Air Starter
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
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
General Information
Starting Motor - Delco 50-MT
Starting Motor - Disassemble
Starting Motor - Delco 50-MT
Starting Motor - Assemble
Starting Motor - Delco 50-MT
Service Magazine
Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28
New Air Starting Motor Group Available{1451}
1982/07/19
New Air Starting Motor Has A Slip-Clutch Type Drive Gear{1451}
1983/10/17
New Start Switch Used {1416,1453}
1986/07/07
Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10
12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors{1407}
1987/02/16
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16
Testing The Starter On The Engine{1401,1450}
1987/05/04
Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25
Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14
Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14
Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05
Limitations On Engine Cranking Time{1453,1401}
1989/03/27
Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24
Air Starter Relay Valve Improved{1462}
1991/06/24

Caterpillar Parts SIS Catalog D379A :

MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
STARTING MOTOR AS-ELECTRIC
8L-5937 STARTING MOTOR AS-ELECTRIC
STARTING MOTOR AS-ELECTRIC
8L-5937 STARTING MOTOR AS-ELECTRIC
STARTING MOTOR GP-ELECTRIC
6N-9677 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
6N-9677 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
6N-9677 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR AS-ELECTRIC
5L-3648 STARTING MOTOR AS-ELECTRIC
STARTING MOTOR AS-ELECTRIC
5L-3648 STARTING MOTOR AS-ELECTRIC
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
STARTING MOTOR GP-ELECTRIC
6N-0424 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
6N-0424 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
6N-0424 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
3T-2786 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
3T-2786 STARTING MOTOR GP-ELECTRIC
STARTING MOTOR GP-ELECTRIC
3T-2786 STARTING MOTOR GP-ELECTRIC

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