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1L2073 REGULATING VALVE GROUP Part of 3N9501 and 7L6911 Regulating and Pressure Reducing Valve Groups shown on Pages 82B and 83 D398A


ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP

MARINE ENGINE D398A MARINE ENGINE 67B
 D398B MARINE ENGINE 67B00920-01390 UEG0047S D398A 67B   (1961)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
VALVE GP-AIR STARTING
3N-9501 VALVE GP-AIR STARTING
VALVE GP-AIR STARTING
7L-6911 VALVE GP-AIR STARTING
VALVE GP-PRESSURE REDUCING
1L-2073 VALVE GP-PRESSURE REDUCING
MOTOR GP-AIR STARTING
7L-6914 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
3N-9499 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
3N-9497 MOTOR GP-AIR STARTING
 

#UEG0047S0240
 

1L-2073: VALVE GP-PRESSURE REDUCING

1L2073 REGULATING VALVE GROUP
Part of 3N9501 and 7L6911 Regulating and Pressure Reducing Valve Groups
shown on Pages 82B and 83
c76028 UEG0047S
1L2073 VALVE GP-PRESSURE REDUCING Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1H-9568 [1] SCREW  
  1L-9048 [1] NUT  
  1H-9569 [1] BUTTON  
  [1] CHAMBER  
  1L-9049 [1] SPRING  
  1H-9572 [1] PLATE  
  1L-9080 [6] BOLT  
  1L-9079 [6] NUT  
  1H-9573 [1] DIAPHRAGM  
  1H-9574 [1] BUTTON  
  1L-2072 [1] BODY  
  1H-9575 [1] CYLINDER  
  1H-9577 [1] SCREEN  
  1H-9576 [1] PISTON ASSEM.  
  1H-9578 [1] SPRING  
  1H-9580 [1] GASKET  
  5B-7890 [1] PLUG  
  1H-9581 [1] PLUG ASSEM.  
 

#UEG0047S0241
 

7L-6914: MOTOR GP-AIR STARTING

7L6914 AIR STARTING MOTOR GROUP--R.H.--S.A.E. Standard Engine Rotation
Replaced by 3N9499 shown on Page 84A
4N7556 Air Motor Lubricator, 3L9922 Whistle Valve and 6L6731 Motor parts are shown on Pages 86F, 88 and 89
c150093 UEG0047S
7L6914 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. 6B-3685 [2] ELBOW  
2. 5B-7661 [3] NIPPLE  
3. 1L-2893 [1] NIPPLE  
4. 5L-2534 [1] U-BOLT  
  1D-4717 [2] NUT  
5. 3B-4506 [4] LOCKWASHER  
6. 4N-7556 YC [1] LUBRICATOR GROUP  
    (Separate Illustration)
7. 2L-2813 [1] ELBOW  
8. 4S-5575 [1] NIPPLE  
9. 0S-1585 [4] BOLT  
10. 3B-4508 [8] LOCKWASHER  
11. 6F-9206 [2] GASKET  
12. 6L-1849 [1] FLANGE  
13. 6L-6731 Y [1] MOTOR ASSEM.  
    (Separate Illustration)
14. 6F-9497 [1] FITTING  
15. 1B-2886 [2] BOLT 9.53 cm(3.75 in.) long  
16. 7F-8023 [1] ELBOW  
17. 0S-1595 [2] BOLT 3.18 cm(1.25 in.) long  
18. 0S-1592 [3] BOLT  
19. 3B-4510 [6] LOCKWASHER  
20. 3H-0510 [2] GASKET  
21. 0S-1589 [3] BOLT  
22. 5B-7852 [1] COVER (flywheel housing)  
23. 0S-1588 [2] BOLT  
24. 6L-8487 [1] BRACKET  
25. 3L-9922 Y [1] VALVE (whistle)  
    (Separate Illustration)
26. 6F-5985 [1] COUPLING  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0047S0242
 

3N-9499: MOTOR GP-AIR STARTING

3N9499 AIR STARTING MOTOR GROUP--R.H.--S.A.E. Standard Engine Rotation
3N9413 Motor and 4N7556 Lubricator parts are shown on Pages 86D and 86F
c156565 UEG0047S
3N9499 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. 3N-9413 Y [1] MOTOR GROUP  
    (Separate Illustration)
2. 3H-0510 [2] GASKET  
3. 9F-8110 [1] NIPPLE 8.57 cm(3.375 in.) long  
  3D-2186 [1] ELBOW (45 degrees)  
  5L-3785 [1] NIPPLE 3.17 cm(1.25 in.) long  
4. 6L-4382 [1] ELBOW  
5. 3B-3685 [3] ELBOW  
6. 5B-7643 [2] NIPPLE  
7. 3B-6556 [1] ELBOW (90 degrees)  
8. 8B-9580 [1] BUSHING  
9. 1L-2893 [1] NIPPLE  
10. 4H-0529 [1] UNION  
11. 3L-1258 [1] NIPPLE  
12. 5B-7661 [3] NIPPLE  
13. 3N-9409 [1] BUSHING  
14. 3B-7296 [1] NIPPLE  
15. 6F-9497 [1] FITTING (Use as required)  
16. 3B-6500 [1] ELBOW  
17. 4N-7556 Y [1] LUBRICATOR GROUP  
    (Separate Illustration)
18. 4N-3411 [1] VALVE  
19. 5K-9241 [3] FITTING  
20. 3N-9482 [1] TUBE ASSEM.  
21. 0S-1592 [3] BOLT  
22. 3B-4510 [6] LOCKWASHER  
23. 5B-7852 [1] COVER  
24. 1L-2782 [1] TEE  
25. 5L-2534 [1] U-BOLT  
  1D-4717 [2] NUT  
26. 3B-4506 [4] LOCKWASHER  
  5M-2894 [4] WASHER  
27. 3N-9363 [1] BRACKET  
28. 6F-5985 [1] COUPLING  
29. 0S-1588 [2] BOLT  
30. 6B-7280 [1] ADAPTER  
31. 4M-5317 [1] BUSHING  
32. 3B-7264 [1] NIPPLE  
33. 0S-1566 [3] BOLT  
34. 4N-3410 [1] VALVE  
35. 6L-3616 [1] CONNECTOR  
36. 3N-9483 [1] TUBE ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UEG0047S0243
 

3N-9497: MOTOR GP-AIR STARTING

3N9497 AIR STARTING MOTOR GROUP--L.H.--S.A.E. Standard Engine Rotation
3N9411 Motor and 4N7556 Lubricator parts are shown on Pages 86B and 86F
c156563 UEG0047S
3N9497 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. 3N-9383 [1] NIPPLE  
2. 6B-3685 [4] ELBOW  
3. 1L-2893 [1] NIPPLE  
4. 4H-0529 [1] UNION  
5. 6L-5699 [1] NIPPLE  
6. 5B-7660 [1] BUSHING  
7. 3N-9411 Y [1] MOTOR GROUP  
    (Separate Illustration)
8. 5B-7661 [3] NIPPLE  
9. 4N-3411 [1] RELAY VALVE (air starter)  
10. 4M-5317 [1] BUSHING  
11. 3B-7264 [1] NIPPLE  
12. 4N-3410 [1] VALVE (starter control)  
13. 6L-3616 [1] CONNECTOR  
14. 3N-9481 [1] TUBE ASSEM.  
15. 5K-9241 [3] FITTING  
16. 3H-0510 [2] GASKET  
17. 0S-1566 [3] BOLT  
18. 3B-4510 [6] LOCKWASHER  
19. 6B-7280 [1] ADAPTER  
20. 3R-9595 [1] NIPPLE  
    (Use Without Regulator)
21. 5L-2534 [1] "U" BOLT  
  1D-4717 [2] NUT  
22. 3B-4506 [4] LOCKWASHER  
  5M-2894 [4] WASHER  
23. 0S-1594 [2] BOLT  
24. 6F-5985 [1] COUPLING  
25. 3N-9363 [1] BRACKET  
26. 0S-1592 [3] BOLT  
27. 5B-7852 [1] COVER  
28. 3N-9480 [1] TUBE ASSEM.  
29. 1L-2782 [1] TEE  
30. 3L-8993 [1] NIPPLE  
31. 3N-9409 [1] BUSHING  
32. 3B-6500 [1] ELBOW  
33. 3B-7296 [1] NIPPLE  
34. 6F-9497 [1] FITTING  
    (Use Without Silencer)
35. 4N-7556 Y [1] LUBRICATOR GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#UEG0047S0244
 

7L-6916: MOTOR GP-AIR STARTING

7L6916 AIR STARTING MOTOR GROUP--L.H.--S.A.E. Standard Engine Rotation
Replaced by 3N9497 shown on Page 84B
4N7556 Air Motor Lubricator, 3L9922 Whistle Valve and 6L6731 Motor parts are shown on Pages 86F, 88 and 89
c150096 UEG0047S
7L6916 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. 6F-9497 [1] FITTING  
2. 1B-2886 [2] BOLT 9.53 cm(3.75 in.) long  
3. 3B-4508 [4] LOCKWASHER  
4. 7F-8023 [1] ELBOW  
5. 0S-1595 [2] BOLT 3.18 cm(1.25 in.) long  
6. 6F-9206 [1] GASKET  
    without Silencer and Vapor Arrestor)
7. 5B-7852 [1] COVER (Flywheel Housing)  
8. 3H-0510 [2] GASKET  
9. 0S-1592 [3] BOLT  
10. 3B-4510 [6] LOCKWASHER  
11. 0S-1589 [3] BOLT  
12. 0S-1594 [2] BOLT  
13. 3B-4506 [4] LOCKWASHER  
14. 5L-1722 [1] BRACKET  
15. 5L-2534 [1] U-BOLT  
16. 6B-3685 [4] ELBOW  
17. 6F-5985 [1] COUPLING  
18. 1D-4717 [2] NUT  
19. 3R-9595 C [1] NIPPLE  
    (For use without Regulator)
20. 6L-1849 [1] FLANGE  
21. 6F-9206 [1] GASKET  
22. 3L-9922 Y [1] VALVE (whistle)  
    (Separate Illustration)
23. 0S-1587 [4] BOLT  
24. 3B-4508 [4] LOCKWASHER  
25. 4N-7556 YC [1] LUBRICATOR GROUP  
    (Separate Illustration)
26. 6L-7349 [1] NIPPLE  
27. 5B-7661 [4] NIPPLE  
28. 6L-6731 Y [1] MOTOR ASSEM.  
    (Separate Illustration)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0047S0245
 

7L-6913: MOTOR GP-AIR STARTING

7L6913 AIR STARTING MOTOR GROUP--R.H.--S.A.E. Opposite Standard Engine Rotation
Replaced by 3N9500 shown on Page 86A
4N7556 Lubricator, 3L9922 Whistle Valve and 6L6730 Motor parts are shown on Pages 86F, 88 and 89
c150091 UEG0047S
7L6913 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. 6B-3685 [2] ELBOW  
2. 5B-7661 [3] NIPPLE  
3. 1L-2893 [1] NIPPLE  
4. 5L-2534 [1] U-BOLT  
  1D-4717 [2] NUT  
5. 3B-4506 [4] LOCKWASHER  
6. 4N-7556 YC [1] LUBRICATOR GROUP  
    (Separate Illustration)
7. 2L-2813 [1] ELBOW  
8. 4S-5575 [1] NIPPLE  
9. 0S-1585 [4] BOLT  
10. 3B-4508 [8] LOCKWASHER  
11. 6F-9206 [2] GASKET  
12. 6L-1849 [1] FLANGE  
13. 6L-6730 Y [1] MOTOR ASSEM.  
    (Separate Illustration)
14. 6F-9497 [1] FITTING  
15. 1B-2886 BOLT 9.53 cm(3.75 in.) long  
16. 7F-8023 [1] ELBOW  
17. 0S-1595 [2] BOLT 3.18 cm(1.25 in.) long  
18. 0S-1592 [3] BOLT  
19. 3B-4510 [6] LOCKWASHER  
20. 3H-0510 [2] GASKET  
21. 0S-1589 [3] BOLT  
22. 5B-7852 [1] COVER (flywheel housing)  
23. 0S-1588 [2] BOLT  
24. 6L-8487 [1] BRACKET  
25. 3L-9922 Y [1] VALVE (whistle)  
    (Separate Illustration)
26. 6F-5985 [1] COUPLING  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0047S0246
 

3N-9500: STARTING MOTOR GP-AIR

3N9500 AIR STARTING MOTOR GROUP--R.H.--S.A.E. Opposite Standard Engine Rotation
3N9414 Motor and 4N7556 Lubricator parts are shown on Pages 86E and 86F
c156566 UEG0047S
3N9500 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. 3N-9414 Y [1] MOTOR GROUP  
    (Separate Illustration)
2. 3H-0510 [2] GASKET  
3. 5B-7642 [1] NIPPLE 8.57 cm(3.375 in.)long  
  2L-2813 [1] ELBOW  
4. 5B-7661 [4] NIPPLE 3.81 cm(1.50 in.) long  
5. 6B-3685 [4] ELBOW  
6. 5B-7643 [2] NIPPLE  
7. 5B-7666 [1] ELBOW  
8. 5B-7660 [1] BUSHING  
9. 6F-8857 [1] NIPPLE  
10. 4H-0529 [1] UNION  
11. 3L-1258 [1] NIPPLE  
12. 3N-9409 [1] BUSHING  
13. 3B-7296 [1] NIPPLE  
14. 6F-9497 [1] FITTING  
15. 3B-6500 [1] ELBOW  
16. 4N-7556 Y [1] LUBRICATOR GROUP  
    (Separate Illustration)
17. 4N-3411 [1] VALVE  
18. 5K-9241 [3] FITTING  
19. 3N-9482 [1] TUBE ASSEM.  
20. 0S-1592 [3] BOLT  
21. 3B-4510 [6] LOCKWASHER  
22. 5B-7852 [1] COVER  
23. 1L-2782 [1] TEE  
24. 5L-2534 [1] U-BOLT  
  1D-4717 [2] NUT  
25. 3B-4506 [4] LOCKWASHER  
  5M-2894 [4] WASHER  
26. 3N-9363 [1] BRACKET  
27. 6F-5985 [1] COUPLING  
28. 0S-1588 [2] BOLT  
29. 6B-7280 [1] ADAPTER  
30. 4M-5317 [1] BUSHING  
31. 3B-7264 [1] NIPPLE  
32. 0S-1566 [3] BOLT  
33. 4N-3410 [1] VALVE  
34. 6L-3616 [1] CONNECTOR  
35. 3N-9483 [1] TUBE ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UEG0047S0247
 

3N-9411: STARTING MOTOR GP-AIR

3N9411 AIR STARTING MOTOR GROUP
Part of 3N9497 Air Starting Motor Group shown on Page 84B
c210808 UEG0047S
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] 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. 052-0512 C [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-4405 [1] DRIVE ASSEM.  
28. 0S-1616 [16] BOLT  
  3B-4504 [16] LOCKWASHER  
29. 6N-7362 [1] COVER  
30. 6N-7544 [1] GEAR (pinion 11 teeth)  
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)
  C   INDICATES CHANGE
 

#UEG0047S0248
 

3N-9412: MOTOR GP-AIR STARTING

3N9412 AIR STARTING MOTOR GROUP
Part of 3N9498 Air Starting Motor Group shown on Page 86G
c156568 UEG0047S
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)
 

#UEG0047S0249
 

3N-9413: STARTING MOTOR GP-AIR

3N9413 AIR STARTING MOTOR GROUP
Part of 3N9499 Air Starting Motor Group shown on Page 84A
c156569 UEG0047S
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] 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-4405 [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)
 

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 :

VALVE GP-AIR STARTING
7L-6911 VALVE GP-AIR STARTING
VALVE GP-AIR STARTING
3N-9501 VALVE GP-AIR STARTING
BATTERY GP
7L-7871 BATTERY GP
BATTERY GP
3N-4653 BATTERY GP
BATTERY GP
3N-4654 BATTERY GP
BATTERY GP
5F-5276 BATTERY GP
BATTERY GP
5F-5276 BATTERY GP
BATTERY GP
2N-1943 BATTERY GP
MOTOR GP-AIR STARTING
7L-6914 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
3N-9499 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
3N-9497 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
7L-6916 MOTOR GP-AIR STARTING
MOTOR GP-AIR STARTING
7L-6913 MOTOR GP-AIR STARTING
STARTING MOTOR GP-AIR
3N-9500 STARTING MOTOR GP-AIR
STARTING MOTOR GP-AIR
3N-9411 STARTING MOTOR GP-AIR
MOTOR GP-AIR STARTING
3N-9412 MOTOR GP-AIR STARTING

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