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4D6377 BRAKE CHAMBER ASSEMBLY Part of 7D4010 Governor and Retarder Air Control Group shown on Pages 118A & 119 666


ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP
FUEL SYSTEM
CONTROL GP-GOVERNOR
POWER TRAIN
DIFFERENTIAL & BEVEL GEAR GP

WHEEL SCRAPER 666 WHEEL SCRAPER 20G
 666B SCRAPER 20G00242-UP (MACHINE) POWERED BY D343 ENGINE UEG0303S 666 20G   (1968)

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
ELECTRIC STARTING MOTOR GROUP
4N-3273 ELECTRIC STARTING MOTOR GROUP
4N-3273 ELECTRIC STARTING MOTOR GROUP
CHAMBER AS
4D-6377 CHAMBER AS
 

#UEG0303S0310
 

4D-6377: CHAMBER AS

4D6377 BRAKE CHAMBER ASSEMBLY
Part of 7D4010 Governor and Retarder Air Control Group shown on Pages 118A & 119
c215223 UEG0303S
4D6377 CHAMBER AS Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-4281 [1] PLATE-PRESSURE  
2. 4J-4282 [1] DIAPHRAGM  
3. 4J-4283 [1] RING-CLAMP  
4. 4J-4286 [1] BODY  
5. 4D-9907 [1] SPRING  
6. 1B-9891 [2] STUD  
7. 1B-4201 [2] NUT-FULL  
  3B-4504 [2] LOCKWASHER  
8. 4J-4288 [1] BOOT  
9. 4F-2294 [1] NUT  
10. 2G-6772 [1] ROD AS-PUSH  
 

#UEG0303S0311
 

7D-4010: GOVERNOR AND RETARDER AIR CONTROL

GOVERNOR AND RETARDER AIR CONTROL (7D4010 N/S)--Rear Half Part 1 of 2
Serial No. 20G242 to 20G261 inclusive
c107573 UEG0303S
7D4010 GOVERNOR AND RETARDER AIR CONTROL Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [4] UNION  
2. [1] HOSE ASSEM. (215" long overall)  
3. [2] BUSHING  
4. [2] UNION  
5. [1] HOSE ASSEM. (104" long overall)  
6. [2] ELBOW  
7. [2] CONNECTOR  
  [2] WASHER  
  [2] NUT  
8. [2] ELBOW  
9. [1] CLIP  
10. [1] CLIP  
11. [1] BOLT  
12. [13] LOCKWASHER  
13. [6] BOLT  
14. [12] NUT  
15. [1] BRACKET ASSEM.  
16. [4] BOLT  
17. [4] SPACER  
18. [1] BRACKET  
  [1] BRACKET ASSEM.  
19. [1] BRACKET  
  [1] BRACKET ASSEM.  
20. [2] BOLT  
21. [1] BRACKET  
  [1] SEAL  
22. [1] HOSE ASSEM. (374" long overall)  
23. [1] HOSE ASSEM. (345" long overall)  
24. [1] UNION  
 

#UEG0303S0312
 

7D-4010: GOVERNOR AND RETARDER AIR CONTROL

GOVERNOR AND RETARDER AIR CONTROL (7D4010 N/S)--Front Half Part 2 of 2
Serial No. 20G242 to 20G261 inclusive
4D6377 Brake Chamber parts are shown on Page 117
c107574 UEG0303S
7D4010 GOVERNOR AND RETARDER AIR CONTROL Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-6553 [1] ELBOW  
2. 5H-4778 [1] UNION  
3. 9M-8406 [6] CLIP  
4. 6D-7658 [1] HOSE ASSEM. (425" long overall)  
5. 8H-7696 [1] ELBOW  
6. 4H-6147 [2] UNION  
7. 4D-4776 [1] SHIELD ASSEM.  
8. 4D-6377 Y [1] CHAMBER ASSEM.  
    (See Separate Illustration)
9. 2A-1963 [1] YOKE  
10. 7D-3879 [1] BRACKET ASSEM.  
11. 4D-4742 [1] LEVER  
12. 0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
13. 1A-2457 [1] PIN  
  3B-4607 [1] COTTER PIN  
14. 9F-7022 [1] BOLT  
  1B-4330 [1] NUT  
15. 0S-1617 [2] BOLT  
16. 3B-4505 [4] LOCKWASHER  
17. 4J-3914 [1] UNION  
18. 7H-3171 [1] PLUG  
19. 4S-7572 [1] HOSE ASSEM. (12" long overall)  
20. 2B-2695 [2] BOLT  
21. 6B-7639 [1] TEE  
22. 2D-0193 [4] UNION  
23. 1S-5942 [1] VALVE ASSEM.  
  4M-5317 [1] BUSHING  
24. 7D-0715 [1] VALVE  
25. 7D-3477 [1] HOSE ASSEM. (107" long overall)  
26. 0S-0509 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
27. 5K-8451 [1] CLIP  
28. 4S-7562 [1] HOSE ASSEM. (76" long overall)  
  Y   SEPARATE ILLUSTRATION
 

#UEG0303S0313
 

7D-4010: GOVERNOR AND RETARDER AIR CONTROL

GOVERNOR AND RETARDER AIR CONTROL (7D4010 N/S)--Rear Half Part 1 of 2
Effective with Serial No. 20G262
c107573 UEG0303S
7D4010 GOVERNOR AND RETARDER AIR CONTROL Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [4] UNION  
2. [1] HOSE ASSEM. (215" long overall)  
3. [2] BUSHING  
4. [2] UNION  
5. [1] HOSE ASSEM. (104" long overall)  
6. [2] ELBOW  
7. [2] CONNECTOR  
  [2] WASHER  
  [2] NUT  
8. [2] ELBOW  
9. [1] CLIP  
10. [1] CLIP  
11. [1] BOLT  
12. [13] LOCKWASHER  
13. [6] BOLT  
14. [12] NUT  
15. [1] BRACKET ASSEM.  
16. [4] BOLT  
17. [4] SPACER  
18. [1] BRACKET  
  [1] BRACKET ASSEM.  
19. [1] BRACKET  
  [1] BRACKET ASSEM.  
20. [2] BOLT  
21. [1] BRACKET  
  [1] SEAL  
22. [1] HOSE ASSEM. (374" long overall)  
23. [1] HOSE ASSEM. (345" long overall)  
24. [1] UNION  
 

#UEG0303S0314
 

7D-4010: GOVERNOR AND RETARDER AIR CONTROL

GOVERNOR AND RETARDER AIR CONTROL (7D4010 N/S)--Front Half Part 2 of 2
Effective with Serial No. 20G262
4D6377 Brake Chamber parts are shown on Page 117
c137525 UEG0303S
7D4010 GOVERNOR AND RETARDER AIR CONTROL Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-6553 [1] ELBOW  
2. 5H-4778 [1] UNION  
3. 9M-8406 [6] CLIP  
4. 6D-7658 [1] HOSE ASSEM. (425" long overall)  
5. 3B-7722 C [1] BUSHING  
6. 4H-6147 C [1] UNION  
7. 4D-4776 [1] SHIELD ASSEM.  
8. 4D-6377 Y [1] CHAMBER ASSEM.  
    (See Separate Illustration)
9. 2A-1963 [1] YOKE  
10. 7D-3879 [1] BRACKET ASSEM.  
11. 4D-4742 [1] LEVER  
12. 0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
13. 1A-2457 [1] PIN  
  3B-4607 [1] COTTER PIN  
14. 9F-7022 [1] BOLT  
  1B-4330 [1] NUT  
15. 0S-1617 [2] BOLT  
16. 3B-4505 [4] LOCKWASHER  
17. 4J-3914 [1] UNION  
18. 7H-3171 [1] PLUG  
19. 4S-7572 [1] HOSE ASSEM. (12" long overall)  
20. 2B-2695 [2] BOLT  
21. 3S-6115 C [1] TEE  
22. 2D-0193 C [2] UNION  
23. 5F-5434 C [1] VENT ASSEM.  
  4M-5317 [1] BUSHING  
24. 7D-0715 [1] VALVE  
25. 7D-3477 [1] HOSE ASSEM. (107" long overall)  
26. 0S-0509 [5] BOLT  
  3B-4506 [5] LOCKWASHER  
27. 5K-8451 [1] CLIP  
28. 4S-7562 [1] HOSE ASSEM. (76" Long Overall)  
29. 4S-7606 C [1] UNION  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0303S0315
 

7D-1930: DIFFERENTIAL AND BEVEL GEAR

DIFFERENTIAL AND BEVEL GEAR (7D1930 N/S)--Part 1 of 2
Serial No. 20G242 to 20G268 inclusive
c111114 UEG0303S
7D1930 DIFFERENTIAL AND BEVEL GEAR Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-4002 [1] GEAR (52 Teeth)  
2. 4D-3697 [18] BOLT  
  4D-3703 [18] WASHER  
  4S-8743 LOCKWIRE 6 Feet  
3. 3D-5693 [1] NUT  
4. 4D-5345 [1] STOP  
5. 0S-1620 [2] BOLT  
  2D-9456 [2] LOCK  
6. 4D-5606 [1] LOCK  
7. 2D-8364 [3] SEAL  
8. 7D-1772 [1] CARRIER ASSEM.  
9. 4D-0537 [2] DOWEL  
10. 3D-5766 [4] STUD  
  1B-4518 [4] NUT  
11. 3D-5692 [4] BUSHING  
12. 6D-8428 [1] CAP  
13. 3D-5745 [1] CAP  
    (Parts of 7D1772 Assem.)
14. 1D-4720 [19] NUT  
  3B-4510 [19] LOCKWASHER  
15. 0S-1566 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
16. 6D-8455 [1] SPACER  
17. 7S-2472 [1] RACE & ROLLER ASSEM.  
18. 6D-8405 [1] PLATE  
19. 0S-1594 [3] BOLT  
  6D-8405 [1] PLATE  
20. 6D-8464 [1] RACE  
21. 4M-3122 [1] PIN  
22. 0L-1026 [1] PLUG  
23. 6D-8331 [1] GEAR (34 Teeth)  
24. 6D-8478 [1] BEARING ASSEM.  
25. 6D-8458 [1] RING  
26. 3F-5792 [1] SEAL  
27. 6D-8486 [1] CAGE  
28. 2H-3928 [1] SEAL  
29. 3J-0370 [1] SEAL  
30. 6D-8485 [1] SHAFT  
31. 0S-1591 [6] BOLT  
  2H-3504 [6] LOCK  
32. 6D-8487 [1] CAGE  
33. 6D-2702 [1] LOCK  
34. 4S-8743 LOCKWIRE 3 Feet  
 

#UEG0303S0316
 

7D-1930: DIFFERENTIAL AND BEVEL GEAR

DIFFERENTIAL AND BEVEL GEAR (7D1930 N/S)--Part 2 of 2
Serial No. 20G242 to 20G268 inclusive
c111077 UEG0303S
7D1930 DIFFERENTIAL AND BEVEL GEAR Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-6630 [1] CASE ASSEM.  
  3D-6509 [2] DOWEL  
    (Part of 4D6630 Assem.)
2. 6D-4082 [12] BOLT  
  2D-9238 [12] NUT  
3. 4D-5289 [1] RING  
  7D-1349 [1] DIFFERENTIAL ASSEM.  
4. 7D-4719 [2] SPRING  
5. 7D-4717 [2] CLUTCH  
6. 7D-4716 [2] RING  
7. 7D-4715 [1] RING  
8. 7D-4714 [1] SPIDER  
9. 7D-4722 [1] CAM  
10. 7D-4718 [2] GEAR (30 Teeth)  
11. 7D-4721 [2] RETAINER  
12. 4D-6597 [2] WASHER  
13. 1B-4034 [1] CONE  
14. 4B-8393 [1] CUP  
15. 4D-6631 [1] CASE ASSEM.  
  3D-6509 [2] DOWEL  
    (Part of 4D6631 Assem.)
16. 3D-6509 [3] DOWEL  
17. 8F-5900 [1] SEAL  
18. 2D-9462 [8] SHIM (.007" Thick)  
  2D-9463 [6] SHIM (.005" Thick)  
19. 6B-4370 [1] CUP  
20. 2D-9453 [1] CONE  
21. 1M-9565 [1] RING  
22. 7D-4891 [1] SEAL ASSEM.  
23. 2D-9447 [1] RETAINER  
24. 7B-3235 [6] BOLT  
  2B-1738 [6] LOCK  
25. 4D-7136 [1] PINION ASSEM. (19 Teeth)  
26. 4F-5695 [1] PLUG  
    (Part of 4D7136 Assem.)
27. 2D-9455 [1] CONE  
28. 2D-9454 [1] CUP  
29. 2D-9459 [2] CAGE  
30. 2D-9457 [1] CONE  
31. 6D-2646 [1] RING  
32. 4F-2041 [1] CUP  
 

#UEG0303S0317
 

7D-1930: DIFFERENTIAL AND BEVEL GEAR

DIFFERENTIAL AND BEVEL GEAR (7D1930 N/S)--Part 1 of 2
Serial No. 20G269-Up
c142727 UEG0303S
7D1930 DIFFERENTIAL AND BEVEL GEAR Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3382 C [1] GEAR (52 Teeth)  
2. 9S-1362 C [36] BOLT  
  2S-0115 [36] WASHER  
3. 3D-5693 [1] NUT  
4. 4D-5345 [1] STOP  
5. 0S-1621 [2] BOLT  
  2D-9456 [2] LOCK  
6. 9K-4454 [1] LOCK  
7. 2D-8364 [3] SEAL  
8. 7D-1772 [1] CARRIER ASSEM.  
9. 4D-0537 [2] DOWEL  
10. 3D-5766 [4] STUD  
  1B-4518 [4] NUT  
11. 3D-5692 [4] BUSHING  
12. 6D-8428 [1] CAP  
13. 3D-5745 [1] CAP  
14. 1D-4720 [19] NUT  
  3B-4510 [19] LOCKWASHER  
15. 0S-1566 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
16. 6D-8455 [1] SPACER  
17. 7S-2472 [1] RACE & ROLLER ASSEM.  
18. 6D-8405 [1] PLATE  
  8D-7065 [4] SHIM (.003" Thick)  
  8D-7066 [1] SHIM (.010" Thick)  
19. 0S-1594 [3] BOLT  
20. 6D-8464 [1] RACE  
21. 4M-3122 [1] PIN  
22. 0L-1026 [1] PLUG  
23. 6D-8331 [1] GEAR (34 Teeth)  
24. 6D-8478 [1] BEARING ASSEM.  
25. 6D-8458 [1] RING  
26. 3F-5792 [1] SEAL  
27. 6D-8486 [1] CAGE  
28. 2H-3928 [1] SEAL  
29. 3J-0370 [1] SEAL  
30. 6D-8485 [1] SHAFT  
31. 0S-1591 [6] BOLT  
  2H-3504 [6] LOCK  
32. 6D-8487 [1] CAGE  
33. 6D-2702 [1] LOCK  
34. 4S-8743 H LOCKWIRE 32 in.  
  C   INDICATES CHANGE
  H   ORDER BY THE FOOT
 

#UEG0303S0318
 

7D-1930: DIFFERENTIAL AND BEVEL GEAR

DIFFERENTIAL AND BEVEL GEAR (7D1930 N/S)--Part 2 of 2
Serial No. 20G269-Up
c142728 UEG0303S
7D1930 DIFFERENTIAL AND BEVEL GEAR Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-6630 [1] CASE ASSEM.  
  3D-6509 [2] DOWEL  
2. 6D-4082 [12] BOLT  
  2D-9238 [12] NUT  
  4S-8743 H LOCKWIRE 56 in.  
3. 4D-5289 [1] RING  
4. 7D-7210 [1] DIFFERENTIAL ASSEM.  
5. 7D-4717 [2] CLUTCH  
6. 7D-4716 [2] RING  
7. 7D-4715 [1] RING  
8. 7D-4714 [1] SPIDER  
9. 7D-4722 [1] CAM  
10. 7D-4719 [2] SPRING  
11. 7D-4721 [2] RETAINER  
12. 7D-7622 [2] GEAR  
13. 1B-4034 [1] CONE  
14. 4B-8393 [1] CUP  
15. 8D-2242 C [1] CASE ASSEM.  
  3D-6509 [2] DOWEL  
16. 4D-6597 [2] WASHER  
17. 8F-5900 [1] SEAL  
18. 2D-9462 [8] SHIM (.007" Thick)  
  2D-9463 [6] SHIM (.005" Thick)  
19. 6B-4370 [1] CUP  
20. 2D-9453 [1] CONE  
21. 1M-9565 [1] RING  
22. 7D-4891 [1] SEAL ASSEM.  
23. 2D-9447 [1] RETAINER  
24. 7B-3235 [6] BOLT  
  2B-1738 [6] LOCK  
25. 4D-7136 [1] PINION ASSEM. (19 Teeth)  
26. 4F-5695 [1] PLUG  
27. 2D-9455 [1] CONE  
28. 2D-9454 [1] CUP  
29. 2D-9459 [2] CAGE  
30. 2D-9457 [1] CONE  
31. 6D-2646 [1] RING  
32. 4F-2041 [1] CUP  
  C   INDICATES CHANGE
  H   ORDER BY THE FOOT
 

#UEG0303S0319
 

7D-1760: DIFFERENTIAL COVERS

DIFFERENTIAL COVERS (7D1760 N/S)
Serial No. 20G242 to 20G268 inclusive
c111076 UEG0303S
7D1760 DIFFERENTIAL COVERS Parts scheme
  For full view, you need register

Parts for your 666 WHEEL SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4D-0309 [1] CAP  
  6F-5188 [1] GASKET  
  6D-2636 [1] PLUNGER ASSEM.  
  4D-0307 [1] CAP  
  4D-0306 [1] GASKET  
  4D-0828 [1] GUIDE ASSEM.  
  6H-8778 [1] GASKET  
  4H-6112 [1] BREATHER  
  4D-7735 [3] CLIP  
  0S-0509 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  7D-1001 [1] HOSE ASSEM. (58.50" long overall)  
  7D-3809 [1] FILLER ASSEM.  
  1F-2417 [1] BOSS  
  7D-0006 [1] BOSS  
    (Parts of 7D3809 Assem.)
  4D-0799 [1] GUIDE ASSEM.  
  4D-0833 [1] PLUNGER ASSEM.  
  1F-4738 [1] GASKET  
  3B-1915 [6] BOLT (1.375" long)  
  1A-2029 [4] BOLT (1.125" long)  
  3B-4506 [10] LOCKWASHER  
  4D-6952 [1] GASKET  
  2D-9345 [2] STUD (2.60" long)  
  2D-8806 [6] STUD  
  3D-2355 [1] COVER  
  3D-2354 [1] GASKET  
  2B-6296 [12] STUD  
  1D-4717 [12] NUT  
  3B-4506 [12] LOCKWASHER  
  1F-3542 [1] BREATHER ASSEM.  
  2F-2318 [1] HOOD ASSEM.  
  8F-5437 [1] ELEMENT ASSEM.  
  9B-8714 [1] SKIRT ASSEM.  
  7B-3063 [1] ADAPTER  
  4D-3734 [1] UNION  
  3B-6553 [1] ELBOW  
  7D-4616 [1] HOSE ASSEM. (25.30" long overall)  
  2H-3940 [1] UNION  
  4D-3734 [1] UNION  
  2M-1538 [3] STUD  
  3D-5963 [17] STUD (3.60" long)  
  6D-0419 [74] STUD  
  6F-7012 [3] STUD  
  0S-1594 [6] BOLT  
  3B-4506 [6] LOCKWASHER  
  3D-7049 [1] COVER  
  3D-7051 [1] GASKET  
  8B-6599 [2] PLUG  
  0L-1124 [2] GASKET  
 

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
Caterpillar Remanufactured Electric Starting Motors Are Improved {1453}
2011/05/16
Special Instruction
Current Draw Of Electric Starting Motors{1453}
Current Draw Of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Caterpillar PRELUB<SUP>&reg;</SUP> Diagnostics{1469}
Caterpillar PRELUB® Diagnostics{1469}
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
Starter Solenoid
5.4" BORE SIX CYLINDER VEHICLE ENGINE(WITH CYLINDER BLOCK SP
Electric Starting Motor
5.4" BORE SIX CYLINDER VEHICLE ENGINE(WITH CYLINDER BLOCK SP
Air Starting Motor
5.4" BORE SIX CYLINDER VEHICLE ENGINE(WITH CYLINDER BLOCK SP
Starting Motor
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor
Starting Motor - Delco 50-MT
Systems Operation
Systems Operation
657-666 SCRAPER ENGINE HYDRAULIC STARTING SYSTEM
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
Starter
657B & 666B SCRAPER ENGINE
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
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
Examine Failed Starting Motors to Understand the Reason for Failure {1453}
2002/10/28

Caterpillar Parts SIS Catalog 666 :

FILTER GP-OIL
3D-7090 FILTER GP-OIL
RELIEF VALVE GROUP
7S-4512 RELIEF VALVE GROUP
7D-1750 TRANSMISSION AND RETARDER LINES
7D-1750 TRANSMISSION AND RETARDER LINES
7D-1750 TRANSMISSION AND RETARDER LINES
TRANSMISSION AND RETARDER LINES
7D-1750 TRANSMISSION AND RETARDER LINES
7D-1750 TRANSMISSION AND RETARDER LINES
7D-1750 TRANSMISSION AND RETARDER LINES
GOVERNOR AND RETARDER AIR CONTROL
7D-4010 GOVERNOR AND RETARDER AIR CONTROL
7D-4010 GOVERNOR AND RETARDER AIR CONTROL
GOVERNOR AND RETARDER AIR CONTROL
7D-4010 GOVERNOR AND RETARDER AIR CONTROL
7D-4010 GOVERNOR AND RETARDER AIR CONTROL
DIFFERENTIAL AND BEVEL GEAR
7D-1930 DIFFERENTIAL AND BEVEL GEAR
7D-1930 DIFFERENTIAL AND BEVEL GEAR
DIFFERENTIAL AND BEVEL GEAR
7D-1930 DIFFERENTIAL AND BEVEL GEAR
7D-1930 DIFFERENTIAL AND BEVEL GEAR

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