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4W5109 STARTING MOTOR GP--AIR S/N 67B2029-Up Part Of 7C4215 Starting Motor Electric Field Replacement For 4W5104-Page 75E & 4W5102-Page 76D D398A


ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP
LUBRICATION SYSTEM
PUMP GP-PRELUBRICATION
ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP

MARINE ENGINE D398A MARINE ENGINE 67B
 D398B MARINE ENGINE 67B01391-UP UEG0646S D398A 67B   (1961)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
STARTING MOTOR GP-AIR
5N-8774 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
8N-8474 STARTING MOTOR GP-AIR
MOTOR GP-AIR STARTING
4W-5109 MOTOR GP-AIR STARTING
CHANGEOVER GP
4N-4985 CHANGEOVER GP
CHANGEOVER GP
4N-6019 CHANGEOVER GP
MOTOR GP-AIR STARTING
4W-5102 MOTOR GP-AIR STARTING
 

#UEG0646S0430
 

4W-5109: MOTOR GP-AIR STARTING

4W5109 STARTING MOTOR GP--AIR
S/N 67B2029-Up
Part Of 7C4215 Starting Motor Electric
Field Replacement For 4W5104-Page 75E & 4W5102-Page 76D
c327213 UEG0646S
4W5109 MOTOR GP-AIR STARTING Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-3937 [1] BOLT-HEX HEAD  
  5N-8378 [1] NUT-ROTOR CLAMP  
2. 5N-8363 [1] COVER AS  
  4D-3118 [3] PLUG-PIPE  
3. 5P-9514 [1] BALL BEARING  
4. 5N-8383 [1] CYLINDER  
5. 6V-3916 [1] BALL BEARING-SPL  
  1L-8497 [1] RING-SNAP (SMALL)  
  6J-7855 [1] RING-LOCK (LARGE)  
6. 5N-8375 [1] CUP-SPRING  
  6V-3935 [1] RING-RETAINING  
7. 5N-8381 [1] SPRING-CLUTCH  
8. 2W-6081 [1] GEAR AS-DRIVE (37 TEETH)  
9. 5N-9575 [1] JAW AS-CLUTCH  
10. 5N-8387 [1] CASE-GEAR  
11. 5N-8424 [1] BULKHEAD  
12. 6V-3940 [8] BOLT  
  3B-4505 [8] LOCKWASHER  
13. 3J-7719 [1] RING-RETAINING (INNER)  
  6V-3971 [1] RING-RETAINING (OUTER)  
14. 7F-8671 [1] BALL BEARING  
15. 5N-8428 [1] WASHER-GEAR  
16. 5N-8427 [4] BOLT-MOTOR  
17. 6V-3959 [5] LOCKWASHER  
18. 6V-3941 [1] BOLT  
  5N-8425 [1] WASHER-PINION  
19. 2W-6079 [1] PINION-DRIVE (12 TEETH)  
20. 5N-8389 [1] SPRING-PINION  
  5N-8374 [1] SLEEVE-SPRING  
21. 5N-8362 [1] HOUSING-DRIVE  
22. 8B-7624 [1] BALL BEARING  
23. 5N-8379 [1] SEAT-SPRING  
24. 5N-8372 [1] SPRING-RETURN  
25. 5N-8385 [1] DRIVE SHAFT  
26. 6V-3938 [1] BOLT-HEX HEAD  
27. 5N-8366 [1] PLATE-REAR END  
28. 5N-8377 [1] BEARING-DRIVE SHAFT  
29. 5N-8373 [1] PISTON  
30. 6V-3939 [1] BOLT-HEX HEAD  
31. 5N-8368 [1] PINION-ROTOR (17 TEETH)  
32. 6V-1394 [1] BALL BEARING-SPL  
  039-4317 [2] WASHER-SPRING  
33. 5N-8365 [1] PLATE-FRONT END  
34. 5N-8364 [1] HOUSING-MOTOR  
35. 5N-8388 [1] ROTOR  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  5N-8390 [1] KIT-SEAL & VANE  
    (INCLUDES PINS, RINGS,
    SEALS, VANE, ETC)
 

#UEG0646S0431
 

4N-4985: CHANGEOVER GP

4N4985 AIR START CHANGEOVER GROUP--S.A.E. Standard Engine Rotation--Field Installation
FOR USE WITH 6L6731 MOTOR ASSEMBLY SHOWN ON PAGE 77
c149286 UEG0646S
4N4985 CHANGEOVER GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-9566 [1] SHAFT  
2. 4N-9567 [1] KEY  
3. 9F-5975 [8] BOLT  
4. 6H-3977 [1] SEAL  
5. 8F-8882 [1] SEAL  
6. 4N-4398 [1] PISTON ASSEM.  
    (Includes)
7. 4N-4399 [1] RING  
8. 4N-4404 [1] SEAT  
9. 4N-4405 [1] CLUTCH ASSEM.  
10. 4N-4406 [1] HOUSING ASSEM.  
    (Includes)
11. 2B-4602 [1] PLUG  
  4N-4408 [1] OILER  
12. 4N-4407 [1] BUSHING  
13. 4N-4403 [1] SPRING  
14. 4N-4400 [1] RING  
15. 4N-4402 [1] SPACER  
16. 052-0512 [1] RETAINER  
17. 0S-1616 [12] BOLT  
  3B-4504 [12] LOCKWASHER  
18. 4N-9565 [1] COVER  
19. 4N-3411 [1] VALVE  
20. 4N-3410 [1] VALVE  
21. 4N-4393 [1] SEAL  
22. 4N-9568 [1] GEAR (drive-30 teeth)  
 

#UEG0646S0432
 

4N-6019: CHANGEOVER GP

4N6019 AIR START CHANGEOVER GROUP--S.A.E. Opposite Standard Engine Rotation--Field Installation
FOR USE WITH 6L6730 MOTOR ASSEMBLY SHOWN ON PAGE 77
c149287 UEG0646S
4N6019 CHANGEOVER GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-9566 [1] SHAFT  
2. 4N-9567 [1] KEY  
3. 9F-5975 [8] BOLT  
4. 6H-3977 [1] SEAL  
5. 8F-8882 [1] SEAL  
6. 4N-4398 [1] PISTON ASSEM.  
    (Includes)
7. 4N-4399 [1] RING  
8. 4N-4404 [1] SEAT  
9. 4N-9569 [1] CLUTCH ASSEM.  
10. 4N-4406 [1] HOUSING ASSEM.  
    (Includes)
11. 2B-4602 [1] PLUG  
  4N-4408 [1] OILER  
12. 4N-4407 [1] BUSHING  
13. 4N-4403 [1] SPRING  
14. 4N-4400 [1] RING  
15. 4N-4402 [1] SPACER  
16. 052-0512 [1] RETAINER  
17. 0S-1616 [12] BOLT  
  3B-4504 [12] LOCKWASHER  
18. 4N-9565 [1] COVER  
19. 4N-3411 [1] VALVE  
20. 4N-3410 [1] VALVE  
21. 4N-4393 [1] SEAL  
22. 4N-9568 [1] GEAR (drive 30 teeth)  
 

#UEG0646S0433
 

4N-7556: LUBRICATOR GP-AIR MOTOR

4N7556 LUBRICATOR GP-AIR MOTOR
Part Of 7L6913, 7L6914, 7L6915, 7L6916, 3N9497, 3N9498, 3N9499, 3N9500,
5N8716, 5N8717, 5N8718 & 5N8719 Starting Motor Electric
c410205 UEG0646S
4N7556 LUBRICATOR GP-AIR MOTOR Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7C-4429 C [1] SEAL  
2. 6N-2185 [2] PLUG-FILLER  
3. 6N-2188 [2] BALL  
4. 6N-2192 [1] BOWL  
5. 6N-2193 [1] TUBE-SIPHON  
6. 6N-2191 [1] SEAT  
7. 6N-2190 [1] SPRING  
8. 6N-2184 [1] GASKET  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0646S0434
 

4W-5102: MOTOR GP-AIR STARTING

4W5102 MOTOR GP-AIR STARTING
S/N 67B2092-Up
Part Of 5N8717 Starting Motor
Service Replacement Order 4W5109-Page 76.06
c331148 UEG0646S
4W5102 MOTOR GP-AIR STARTING Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-3937 [1] BOLT-HEX HEAD  
  5N-8378 [1] NUT-ROTOR CLAMP  
2. 5N-8363 [1] COVER AS  
3. 4D-3118 [3] PLUG-PIPE  
4. 5N-8383 [1] CYLINDER  
5. 6V-3916 [1] BALL BEARING-SPL  
  1L-8497 [1] RING-SNAP (SMALL)  
  6J-7855 [1] RING-LOCK (LARGE)  
6. 5N-8375 [1] CUP-SPRING  
  6V-3935 [1] RING-RETAINING  
7. 5N-8381 [1] SPRING-CLUTCH  
8. 2W-6081 [1] GEAR AS-DRIVE (37 TEETH)  
9. 5N-9575 [1] JAW AS-CLUTCH  
10. 5N-8387 [1] CASE-GEAR  
11. 5N-8424 [1] BULKHEAD  
12. 6V-3940 [8] BOLT  
  3B-4505 [8] LOCKWASHER  
13. 3J-7719 [1] RING-RETAINING (INNER)  
  6V-3971 [1] RING-RETAINING (OUTER)  
14. 7F-8671 [1] BALL BEARING  
15. 5N-8428 [1] WASHER-GEAR  
16. 5N-8427 [4] BOLT-MOTOR  
17. 6V-3959 [5] LOCKWASHER  
18. 6V-3941 [1] BOLT  
  5N-8425 [1] WASHER-PINION  
19. 2W-6079 [1] PINION-DRIVE (12 TEETH)  
20. 5N-8389 [1] SPRING-PINION  
  5N-8374 [1] SLEEVE-SPRING  
21. 5N-8362 [1] HOUSING-DRIVE  
22. 8B-7624 [1] BALL BEARING  
23. 5N-8379 [1] SEAT-SPRING  
24. 5N-8372 [1] SPRING-RETURN  
25. 5N-8385 [1] DRIVE SHAFT  
26. 6V-3938 [1] BOLT-HEX HEAD  
27. 5P-9514 [1] BALL BEARING  
28. 5N-8377 [1] BEARING-DRIVE SHAFT  
29. 5N-8373 [1] PISTON  
30. 6V-3939 [1] BOLT-HEX HEAD  
31. 5N-8368 [1] PINION-ROTOR (17 TEETH)  
32. 6V-1394 [1] BALL BEARING-SPL  
  039-4317 [2] WASHER-SPRING  
33. 5N-8365 [1] PLATE-FRONT END  
34. 5N-8364 [1] HOUSING-MOTOR  
35. 5N-8388 [1] ROTOR  
36. 5N-8366 [1] PLATE-REAR END  
   
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  5N-8390 [1] KIT-SEAL & VANE  
    (INCL PINS, RINGS,
    SEALS, VANE, ETC)
 

#UEG0646S0435
 

3N-9413: STARTING MOTOR GP-AIR

3N9413 AIR STARTING MOTOR GROUP
Part of 3N9499 Air Starting Motor Group shown on Page 73
c229703 UEG0646S
3N9413 STARTING MOTOR GP-AIR Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-3776 [1] LOCKNUT  
  2H-3779 [1] LOCK  
2. 6N-7547 [1] WASHER  
3. 2L-2094 [2] BALL BEARING  
4. 6N-7545 [2] SPACER  
5. 6N-7540 [2] PLATE-CYLINDER END  
6. 6N-7537 [1] CYLINDER  
7. 6N-7536 [4] RETAINER  
8. 6N-7534 [1] ROTOR  
9. 6N-7538 [1] DOWEL  
10. 4S-5565 [2] BOLT  
11. 3B-4506 [16] LOCKWASHER  
12. 6N-7571 [1] WASHER  
13. 6N-7581 [1] GEAR-DRIVE (31 TEETH)  
14. 2L-5271 [1] BALL BEARING  
15. 6L-5897 [18] BOLT  
  8J-2418 [18] LOCKWASHER  
16. 052-0512 C [2] RING-RETAINING  
17. 4N-4402 [1] SPACER-RING  
18. 4N-4400 [2] RING-SHIFT  
19. 4N-4398 [1] PISTON AS  
20. 4N-4399 [1] RING-PISTON  
21. 4N-4403 [1] SPRING-RING  
22. 4N-4404 [1] SEAT-SPRING  
   
   
23. 4N-4406 [1] HOUSING AS-DRIVE  
24. 2B-4602 [1] PLUG-PIPE  
  4N-4408 [1] OILER-BUSHING  
25. 4N-4407 [1] BUSHING-DRIVE HOUSING  
26. 6N-7542 [1] DRIVE SHAFT  
  6L-8794 [1] KEY  
27. 4N-4405 [1] CLUTCH AS-DRIVE  
28. 0S-1616 [16] BOLT  
  3B-4504 [16] LOCKWASHER  
29. 6N-7362 [1] COVER-GEAR CASE  
30. 6N-7544 [1] PINION-ROTOR  
31. 6N-7535 [1] RETAINER  
32. 6N-7570 [2] BOLT-SOCKET HEAD  
  6N-7572 [2] LOCKWASHER  
33. 6N-7532 [1] CASE AS-GEAR  
34. 7B-5670 [1] BEARING-NEEDLE  
35. 0S-1591 [6] BOLT  
  1D-4717 [6] NUT  
36. 6N-7543 [1] HOUSING-MOTOR  
37. 1A-2029 [8] BOLT  
38. 6N-7541 [1] COVER AS-MOTOR HOUSING  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  6N-7533 [1] KIT-ROTOR VANE  
  6N-7363 [1] KIT-SEAL & GASKET  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0646S0436
 

3N-9411: STARTING MOTOR GP-AIR

3N9411 STARTING MOTOR GP-AIR
Replaced By 7C4214 Starting Motor-Page 76J
Part Of 3N9497 Starting Motor
c497660 UEG0646S
3N9411 STARTING MOTOR GP-AIR Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-3776 [1] LOCKNUT  
  2H-3779 [1] LOCK  
2. 6N-7547 [1] WASHER  
3. 2L-2094 [2] BALL BEARING  
4. 6N-7545 [2] SPACER  
5. 6N-7540 [2] PLATE-CYLINDER END  
6. 6N-7537 [1] CYLINDER  
7. 6N-7536 [4] RETAINER  
8. 6N-7534 [1] ROTOR  
9. 6N-7538 [1] DOWEL  
10. 4S-5565 [2] BOLT  
11. 3B-4506 [16] LOCKWASHER  
12. 6N-7571 [1] WASHER  
13. 6N-7581 [1] GEAR-DRIVE (31 TEETH)  
14. 2L-5271 [1] BALL BEARING  
15. 6L-5897 [18] BOLT  
  8J-2418 [18] LOCKWASHER  
16. 052-0512 [2] RING-RETAINING  
17. 4N-4402 [1] SPACER-RING  
18. 4N-4400 [2] RING-SHIFT  
19. 4N-4398 [1] PISTON AS  
20. 4N-4399 [1] RING-PISTON  
21. 4N-4403 [1] SPRING-RING  
22. 4N-4404 [1] SEAT-SPRING  
23. 6N-7543 [1] HOUSING-MOTOR  
24. 1A-2029 [8] BOLT  
25. 6N-7541 [1] COVER AS-MOTOR HOUSING  
26. 6N-7542 [1] DRIVE SHAFT  
  6L-8794 [1] KEY  
27. 4N-4405 [1] CLUTCH AS-DRIVE  
28. 0S-1616 [14] BOLT  
  3B-4504 [14] LOCKWASHER  
29. 6N-7362 [1] COVER-GEAR CASE  
30. 6N-7544 C [1] PINION-ROTOR (23 TEETH)  
31. 6N-7535 [1] RETAINER  
32. 6N-7570 [2] BOLT-SOCKET HEAD  
  6N-7572 [2] LOCKWASHER  
33. 6N-7532 [1] CASE AS-GEAR  
34. 7B-5670 [1] BEARING-NEEDLE  
35. 0S-1591 [6] BOLT  
  1D-4717 [6] NUT  
36. 4N-4406 [1] HOUSING AS-DRIVE  
37. 6D-3787 C [1] BEARING  
38. 6N-7542 [1] DRIVE SHAFT  
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
  6N-7533 [1] KIT-ROTOR VANE  
    (INCLUDES 5 VANES)
  6N-7363 [1] KIT-SEAL & GASKET  
    (INCLUDES 3 SEALS
    & 5 GASKETS)
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0646S0437
 

3N-9414: STARTING MOTOR GP-AIR

3N9414 STARTING MOTOR GP-AIR
Replaced By 7C4215-Page 76K
Part Of 3N9500 Starting Motor
c156570 UEG0646S
3N9414 STARTING MOTOR GP-AIR Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-3776 [1] NUT  
  2H-3779 [1] LOCK  
2. 6N-7547 [1] WASHER  
3. 2L-2094 [2] BEARING  
4. 6N-7545 [2] SPACER  
5. 6N-7540 [2] PLATE  
6. 6N-7537 [1] CYLINDER  
7. 6N-7536 [4] RETAINER  
8. 6N-7534 [1] ROTOR  
9. 6N-7538 [1] DOWEL  
10. 4S-5565 [2] BOLT  
11. 3B-4506 [16] LOCKWASHER  
12. 6N-7571 [1] WASHER  
13. 6N-7581 [1] GEAR (31 teeth)  
14. 2L-5271 [1] BEARING  
15. 6L-5897 [18] BOLT  
  8J-2418 [18] LOCKWASHER  
16. 2Y-1415 [2] RETAINER  
17. 4N-4402 [1] SPACER  
18. 4N-4400 [2] RING  
19. 4N-4398 [1] PISTON ASSEM.  
    (Includes)
20. 4N-4399 [1] RING  
21. 4N-4403 [1] SPRING  
22. 4N-4404 [1] SEAT  
23. 4N-4406 [1] HOUSING ASSEM.  
    (Includes)
24. 2B-4602 [1] PLUG  
  4N-4408 [1] OILER  
25. 4N-4407 [1] BUSHING  
26. 6N-7542 [1] SHAFT  
  6L-8794 [1] KEY  
27. 4N-9569 [1] DRIVE ASSEM.  
28. 0S-1616 [16] BOLT  
  3B-4504 [16] LOCKWASHER  
29. 6N-7362 [1] COVER  
30. 6N-7544 [1] PINION  
31. 6N-7535 [1] RETAINER  
32. 6N-7570 [2] SCREW  
  6N-7572 [2] LOCKWASHER  
33. 6N-7532 [1] CASE ASSEM.  
    (Includes)
34. 7B-5670 [1] BEARING  
35. 0S-1591 [6] BOLT  
  1D-4717 [6] NUT  
36. 6N-7543 [1] HOUSING  
37. 1A-2029 [8] BOLT  
38. 6N-7541 [1] COVER ASSEM.  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6N-7533 [1] KIT (Rotor Vane)  
    (Includes 5 Vanes)
  6N-7363 [1] KIT (Seal and Gasket)  
    (Includes 3 seals and 5 gaskets)
 

#UEG0646S0438
 

3N-9412: MOTOR GP-AIR STARTING

3N9412 AIR STARTING MOTOR GROUP
Part Of 3N9498 Air Starting Motor
c156568 UEG0646S
3N9412 MOTOR GP-AIR STARTING Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-3776 [1] NUT  
  2H-3779 [1] LOCK  
2. 6N-7547 [1] WASHER  
3. 2L-2094 [2] BEARING  
4. 6N-7545 [2] SPACER  
5. 6N-7540 [2] PLATE  
6. 6N-7537 [1] CYLINDER  
7. 6N-7536 [4] RETAINER  
8. 6N-7534 [1] ROTOR  
9. 6N-7538 [1] DOWEL  
10. 4S-5565 [2] BOLT  
11. 3B-4506 [16] LOCKWASHER  
12. 6N-7571 [1] WASHER  
13. 6N-7581 [1] GEAR (31 teeth)  
14. 2L-5271 [1] BEARING  
15. 6L-5897 [18] BOLT  
  8J-2418 [18] LOCKWASHER  
16. 2Y-1415 [2] RETAINER  
17. 4N-4402 [1] SPACER  
18. 4N-4400 [2] RING  
19. 4N-4398 [1] PISTON ASSEM.  
    (Includes)
20. 4N-4399 [1] RING  
21. 4N-4403 [1] SPRING  
22. 4N-4404 [1] SEAT  
23. 4N-4406 [1] HOUSING ASSEM.  
    (Includes)
24. 2B-4602 [1] PLUG  
  4N-4408 [1] OILER  
25. 4N-4407 [1] BUSHING  
26. 6N-7542 [1] SHAFT  
  6L-8794 [1] KEY  
27. 4N-9569 [1] DRIVE ASSEM.  
28. 0S-1616 [16] BOLT  
  3B-4504 [16] LOCKWASHER  
29. 6N-7362 [1] COVER  
30. 6N-7544 [1] PINION  
31. 6N-7535 [1] RETAINER  
32. 6N-7570 [2] SCREW  
  6N-7572 [2] LOCKWASHER  
33. 6N-7532 [1] CASE ASSEM.  
    (Includes)
34. 7B-5670 [1] BEARING  
35. 0S-1591 [6] BOLT  
  1D-4717 [6] NUT  
36. 6N-7543 [1] HOUSING  
37. 1A-2029 [8] BOLT  
38. 6N-7541 [1] COVER ASSEM.  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6N-7533 [1] KIT (Rotor Vane)  
    (Includes 5 Vanes)
  6N-7363 [1] KIT (Seal and Gasket)  
    (Includes 3 seals and 5 gaskets)
 

#UEG0646S0439
 

7C-4214: STARTING MOTOR GP-AIR

7C4214 STARTING MOTOR GP-AIR
Standard Rotation
4W5107-Page 74A-7
c404003 UEG0646S
7C4214 STARTING MOTOR GP-AIR Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-5107 Y [1] STARTING MOTOR GP-AIR  
2. 5N-7131 [1] FLANGE  
3. 5N-7135 [1] FLANGE  
4. 8N-8451 [1] GASKET  
5. 8N-8452 [1] GASKET  
6. 0S-1587 [8] BOLT  
7. 5P-8245 [8] WASHER  
  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
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 D398A :

STARTING MOTOR GP-AIR
8N-8474 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
5N-8774 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
5N-8717 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
5N-8717 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
3N-9498 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
3N-9498 STARTING MOTOR GP-AIR
MOTOR GP-AIR STARTING
7L-6915 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
4W-5104 MOTOR GP-AIR STARTING
CHANGEOVER GP
4N-4985 CHANGEOVER GP
CHANGEOVER GP
4N-6019 CHANGEOVER GP
LUBRICATOR GP-AIR MOTOR
4N-7556 LUBRICATOR GP-AIR MOTOR
MOTOR GP-AIR STARTING
4W-5102 MOTOR GP-AIR STARTING
STARTING MOTOR GP-AIR
3N-9413 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
3N-9411 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
3N-9414 STARTING MOTOR GP-AIR
MOTOR GP-AIR STARTING
3N-9412 MOTOR GP-AIR STARTING

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