ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GPELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP#UEG0646S0440
7C-4215: STARTING MOTOR GP-AIR
#UEG0646S0441
3L-9922: VALVE GP-WHISTLE
3L9922 WHISTLE VALVE
Part of 7L6914, 7L6916, 7L6913 & 7L6915 Motor Groups shown on Pages 73 through 76
Part of 7L6914, 7L6916, 7L6913 & 7L6915 Motor Groups shown on Pages 73 through 76
#UEG0646S0442
6L-6731: MOTOR ASSEMBLY--S.A.E. STANDARD ENGINE ROTATION,MOTOR 9ASSEMBLY--S.A.E. OPPOSITE STANDARD ENGINE ROTATION
6L6731 MOTOR ASSEMBLY--S.A.E. Standard Engine Rotation
Part of 7L6914 and 7L6916 Motor Groups shown on Pages 73 & 74
6L6730 MOTOR ASSEMBLY--S.A.E. Opposite Standard Engine Rotation
Part of 7L6913 and 7L6915 Motor Groups shown on Pages 75 & 76
3H3171 and 3H3170 Motor parts are shown on Pages 78 & 79
Part of 7L6914 and 7L6916 Motor Groups shown on Pages 73 & 74
6L6730 MOTOR ASSEMBLY--S.A.E. Opposite Standard Engine Rotation
Part of 7L6913 and 7L6915 Motor Groups shown on Pages 75 & 76
3H3171 and 3H3170 Motor parts are shown on Pages 78 & 79
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 3H-3170 | [1] | MOTOR | ||
| (SAE OPPOSITE STANDARD ENGINE ROTATION) | ||||
| -OR- | ||||
| 3H-3171 Y | [1] | MOTOR | ||
| (SAE STANDARD ENGINE ROTATION) | ||||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 5K-1770 | [1] | SEAL | ||
| 0S-1618 | [8] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 9F-7216 | [1] | SCREW | ||
| 9F-7215 | [1] | RING | ||
| 7F-5452 | [1] | SPRING | ||
| 4B-1273 | [1] | SCREW | ||
| (PARTS OF 1L7398 AND 1L7340 ASSEM.) | ||||
| 1N-8063 | [1] | CAP | ||
| 1N-8062 | [1] | BEARING | ||
| (PARTS OF 5L5507 ASSEM.) | ||||
| 1L-7398 | [1] | DRIVE ASSEM. (BENDIX) | ||
| (SAE OPPOSITE STANDARD ENGINE ROTATION) | ||||
| -OR- | ||||
| 1L-7340 | [1] | DRIVE ASSEM. (BENDIX) | ||
| (SAE STANDARD ENGINE ROTATION) | ||||
| 5L-5507 | [1] | HOUSING ASSEM. | ||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0646S0443
6L-6730: MOTOR ASSEMBLY--S.A.E. STANDARD ENGINE ROTATION,MOTOR 9ASSEMBLY--S.A.E. OPPOSITE STANDARD ENGINE ROTATION
6L6731 MOTOR ASSEMBLY--S.A.E. Standard Engine Rotation
Part of 7L6914 and 7L6916 Motor Groups shown on Pages 73 & 74
6L6730 MOTOR ASSEMBLY--S.A.E. Opposite Standard Engine Rotation
Part of 7L6913 and 7L6915 Motor Groups shown on Pages 75 & 76
3H3171 and 3H3170 Motor parts are shown on Pages 78 & 79
Part of 7L6914 and 7L6916 Motor Groups shown on Pages 73 & 74
6L6730 MOTOR ASSEMBLY--S.A.E. Opposite Standard Engine Rotation
Part of 7L6913 and 7L6915 Motor Groups shown on Pages 75 & 76
3H3171 and 3H3170 Motor parts are shown on Pages 78 & 79
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 3H-3170 | [1] | MOTOR | ||
| (SAE OPPOSITE STANDARD ENGINE ROTATION) | ||||
| -OR- | ||||
| 3H-3171 Y | [1] | MOTOR | ||
| (SAE STANDARD ENGINE ROTATION) | ||||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 5K-1770 | [1] | SEAL | ||
| 0S-1618 | [8] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 9F-7216 | [1] | SCREW | ||
| 9F-7215 | [1] | RING | ||
| 7F-5452 | [1] | SPRING | ||
| 4B-1273 | [1] | SCREW | ||
| (PARTS OF 1L7398 AND 1L7340 ASSEM.) | ||||
| 1N-8063 | [1] | CAP | ||
| 1N-8062 | [1] | BEARING | ||
| (PARTS OF 5L5507 ASSEM.) | ||||
| 1L-7398 | [1] | DRIVE ASSEM. (BENDIX) | ||
| (SAE OPPOSITE STANDARD ENGINE ROTATION) | ||||
| -OR- | ||||
| 1L-7340 | [1] | DRIVE ASSEM. (BENDIX) | ||
| (SAE STANDARD ENGINE ROTATION) | ||||
| 5L-5507 | [1] | HOUSING ASSEM. | ||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0646S0444
3H-3171: LUG
3H3171 AIR MOTOR--S.A.E. Standard Engine Rotation
Part of 6L6731 Motor Assembly shown on Page 77
Part of 6L6731 Motor Assembly shown on Page 77
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 7L-7465 | [5] | VANE | ||
| 7F-5143 | [1] | ROTOR | ||
| 7F-5136 | [1] | PLATE ASSEM. | ||
| 7F-5138 | [1] | DOWEL (437" THICK) | ||
| 7F-5139 | [1] | DOWEL (.50" THICK) | ||
| 2F-4547 | [2] | DOWEL (.25" DIA.) | ||
| (PARTS OF PLATE ASSEM. 7F5136) | ||||
| 3H-1660 | [2] | RING | ||
| 7F-5421 | [2] | SHIM (.002" THICK) | ||
| 7F-5422 | [2] | SHIM (.003" THICK) | ||
| 7F-5423 | [1] | SHIM (.005" THICK) | ||
| 4B-4731 | [1] | BEARING | ||
| 7F-5154 | [1] | NUT | ||
| 7F-5155 | [1] | LOCKWASHER | ||
| 7F-5156 | [1] | GASKET | ||
| 7F-9504 | [3] | PLUG | ||
| 2B-2695 | [4] | BOLT | ||
| 3B-4505 | [4] | LOCKWASHER | ||
| 2L-6221 | [1] | COVER | ||
| 4B-3388 | [8] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 2N-7608 | [1] | HOUSING | ||
| 2N-7609 | [1] | BEARING | ||
| 2L-6220 | [1] | HOUSING | ||
| 007-5157 | [1] | GASKET | ||
| 7F-5164 | [7] | BOLT | ||
| 3B-4505 | [7] | LOCKWASHER | ||
| 6L-6705 | [1] | COVER | ||
| 0S-1614 | [3] | BOLT | ||
| 3B-4504 | [3] | LOCKWASHER | ||
| 7F-5158 | [1] | PLATE | ||
| 1B-8710 | [2] | KEY | ||
| 7F-5151 | [1] | SHAFT | ||
| 7F-5153 | [1] | BEARING | ||
| 7F-5149 | [1] | GEAR | ||
| 7F-5162 | [1] | NUT | ||
| 7F-5161 | [1] | LOCKWASHER | ||
| 7F-5152 | [1] | RING | ||
| 7F-5154 | [1] | NUT | ||
| 7F-5155 | [1] | LOCKWASHER | ||
| 7F-5148 | [1] | GEAR | ||
| 5B-1975 | [1] | BEARING ASSEM. | ||
| 5B-1974 | [1] | RACE | ||
| 7F-5141 | [1] | PLATE ASSEM. | ||
| 7F-5138 | [1] | DOWEL (.437" DIA.) | ||
| 7F-5139 | [1] | DOWEL (.50" DIA.) | ||
| 2F-4547 | [2] | DOWEL (.25" DIA.) | ||
| (PARTS OF PLATE ASSEM. 7F5141) | ||||
| 1B-2719 | [8] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 7F-5160 | [1] | GASKET | ||
#UEG0646S0445
3H-3170: MOTOR GP-AIR STARTING
3H3170 AIR MOTOR--S.A.E. Opposite Standard Engine Rotation
Part of 6L6730 Motor Assembly shown on Page 77
Part of 6L6730 Motor Assembly shown on Page 77
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 2L-6220 | [1] | HOUSING | ||
| 2F-0808 | [4] | SCREW | ||
| 7F-5143 | [1] | ROTOR | ||
| 7L-7465 | [5] | VANE | ||
| 7F-5136 | [1] | PLATE ASSEM. | ||
| 7F-5138 | [1] | DOWEL (.43" DIA.) | ||
| 7F-5139 | [1] | DOWEL (50" DIA.) | ||
| 2F-4547 | [4] | PIN (.25" DIA.) | ||
| (PARTS OF PLATE ASSEM. 7F5136) | ||||
| 3H-1660 | [1] | RING | ||
| 4B-4731 | [1] | BEARING | ||
| 7F-9504 | [3] | PLUG (D) | ||
| 7F-5154 | [1] | NUT | ||
| 7F-5155 | [1] | LOCKWASHER | ||
| 7F-5421 | [2] | SHIM (.002") | ||
| 7F-5422 | [2] | SHIM (.003") | ||
| 7F-5423 | [1] | SHIM (.005") | ||
| 2B-2695 | [4] | BOLT | ||
| 3B-4505 | [4] | LOCKWASHER | ||
| 2L-6221 | [1] | COVER | ||
| 7F-5156 | [1] | GASKET | ||
| 4B-3388 | [8] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 7F-5149 | [1] | GEAR | ||
| 7F-6284 | [1] | RACE | ||
| 7F-6283 | [1] | BEARING ASSEM. | ||
| 7F-5157 | [1] | GASKET | ||
| 6L-6705 | [1] | COVER | ||
| 7F-5164 | [7] | BOLT | ||
| 3B-4505 | [7] | LOCKWASHER | ||
| 7F-5158 | [1] | PLATE | ||
| 0S-1614 | [3] | BOLT | ||
| 3B-4504 | [3] | LOCKWASHER | ||
| 7F-5153 | [1] | BEARING | ||
| 1B-8710 | [2] | KEY | ||
| 7F-5151 | [1] | SHAFT | ||
| 7F-5162 | [1] | NUT | ||
| 7F-5161 | [1] | LOCKWASHER | ||
| 7F-5159 | [1] | RING | ||
| 7F-5171 | [1] | WASHER | ||
| 7F-5154 | [1] | NUT | ||
| 7F-5155 | [1] | LOCKWASHER | ||
| 5B-1975 | [1] | BEARING ASSEM. | ||
| 7F-5152 | [1] | RING | ||
| 7F-5148 | [1] | GEAR | ||
| 5B-1974 | [1] | RACE | ||
| 3H-1660 | [1] | RING | ||
| 7F-5160 | [1] | GASKET | ||
| 7F-5141 | [1] | PLATE ASSEM. | ||
| 7F-5138 | [1] | DOWEL (.43" DIA.) | ||
| 7F-5139 | [1] | DOWEL (50" DIA.) | ||
| 2F-4547 | [4] | PIN (.25" DIA.) | ||
| (PARTS OF PLATE ASSEM. 7F5141) | ||||
| 1B-2719 | [6] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 7F-5145 | [1] | HOUSING | ||
#UEG0646S0446
3N-9492: SILENCER GP-AIR STARTING
3N9492 AIR STARTING SILENCER GROUP--Type 1
FOR USE WITH 3N9499, 3N9497, 3N9500 AND 3N9498 AIR STARTING MOTOR GROUPS SHOWN
ON PAGES 73, 73B, 74A, 74A-2, 75, 75B, 76-1 AND 76-2
FOR USE WITH 3N9499, 3N9497, 3N9500 AND 3N9498 AIR STARTING MOTOR GROUPS SHOWN
ON PAGES 73, 73B, 74A, 74A-2, 75, 75B, 76-1 AND 76-2
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1H-4725 | [1] | SILENCER | |
| 2. | 0L-0478 | [1] | BOLT | |
| 1B-4203 | [1] | NUT | ||
| 5M-2894 | [1] | WASHER | ||
| 1H-0767 | [1] | SPACER | ||
| 3. | 3B-4506 | [7] | LOCKWASHER | |
| 4. | 5N-2595 | [1] | BRACKET | |
| 5. | 1A-2029 | [2] | BOLT | |
| 4B-1040 | [8] | WASHER | ||
| 6. | 5N-2596 | [1] | BRACKET | |
| 7. | 0S-1625 | [2] | BOLT | |
| 3B-4510 | [2] | LOCKWASHER | ||
| 8D-1251 | [2] | SPACER | ||
| 8. | 3B-7296 | [1] | NIPPLE | |
| 9. | 3B-6500 | [1] | ELBOW | |
| 10. | 3N-9382 | [1] | PIPE | |
| 11. | 0S-1571 | [4] | BOLT | |
| 12. | 3N-9309 | [1] | FLANGE | |
| 13. | 1H-4768 | [1] | GASKET | |
| 14. | 5F-6658 | [1] | JAR | |
| 15. | 7H-2444 | [1] | SEAL | |
| 16. | 2L-3658 | [1] | STRAP | |
| 8F-3273 | [1] | LINING |
#UEG0646S0447
3N-9492: SILENCER GP-AIR STARTING
3N9492 AIR STARTING SILENCER GROUP--Type 2
FOR USE WITH 3N9499, 3N9497, 3N9500 AND 3N9498 AIR STARTING MOTOR
GROUPS SHOWN ON PAGES 73, 73B, 74A, 74A-2, 75, 75B, 76-1 AND 76-2
FOR USE WITH 3N9499, 3N9497, 3N9500 AND 3N9498 AIR STARTING MOTOR
GROUPS SHOWN ON PAGES 73, 73B, 74A, 74A-2, 75, 75B, 76-1 AND 76-2
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5N-2752 C | [1] | BRACKET | |
| 2. | 0S-1571 C | [6] | BOLT | |
| 3. | 1A-2029 C | [4] | BOLT | |
| 4. | 1D-4717 C | [6] | NUT | |
| 5. | 3B-4506 C | [14] | LOCKWASHER | |
| 6. | 5N-2741 C | [1] | BRACKET | |
| 7. | 6B-0933 C | [2] | SPACER | |
| 8. | 1H-4725 | [1] | SILENCER | |
| 9. | 5N-2747 C | [2] | BAND ASSEM. | |
| 10. | 7H-2444 | [1] | SEAL | |
| 11. | 5F-6658 | [1] | JAR | |
| 12. | 1H-4768 | [1] | GASKET | |
| 13. | 3N-9309 | [1] | FLANGE | |
| 14. | 5P-1262 CH | HOSE 12.70 cm(5 in.) | ||
| 15. | 9M-7959 C | [2] | CLAMP | |
| 16. | 3B-6500 C | [2] | ELBOW | |
| 17. | 3B-7296 C | [2] | NIPPLE | |
| 18. | 0S-1588 C | [4] | BOLT | |
| C | INDICATES CHANGE | |||
| H | ORDER BY THE CENTIMETER | |||
#UEG0646S0448
5N-8762: SILENCER GP-AIR STARTING
5N8762 AIR STARTING SILENCER GROUP
Serial No. 67B2029-Up. FOR USE WITH 5N8718, 5N8716, 5N8719 AND 5N8717 AIR
STARTING MOTORS SHOWN ON PAGES 73B, 74A-2, 75B & 76-3
Serial No. 67B2029-Up. FOR USE WITH 5N8718, 5N8716, 5N8719 AND 5N8717 AIR
STARTING MOTORS SHOWN ON PAGES 73B, 74A-2, 75B & 76-3
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1H-4725 | [1] | ARRESTOR-VAPOR | |
| 2. | 5N-8763 | [2] | BRACKET | |
| 3. | 1A-2029 | [6] | BOLT | |
| 4. | 1D-4717 | [8] | NUT | |
| 5. | 5M-2894 | [24] | WASHER | |
| 6. | 5F-6044 | [4] | BOLT | |
| 7. | 5B-8085 | [4] | SPACER | |
| 8. | 0S-1571 | [6] | BOLT | |
| 9. | 0L-1492 | [1] | NIPPLE-PIPE | |
| 10. | 3B-7286 | [1] | NIPPLE-PIPE | |
| 11. | 5N-8764 | [1] | BRACKET | |
| 12. | 7B-7138 | [1] | ELBOW | |
| 13. | 6H-6673 B | [1] | PIPE | |
| 14. | 5P-1262 E | HOSE 12.70CM(5IN) | ||
| 15. | 9M-7959 | [2] | CLAMP | |
| 16. | 4B-2694 | [1] | PIPE | |
| 17. | 3B-6500 | [2] | ELBOW | |
| 18. | 5F-6658 | [1] | JAR-PRECLEANER | |
| 19. | 7H-2444 | [1] | SEAL | |
| 20. | 3N-9309 | [1] | FLANGE | |
| 21. | 1H-4768 | [1] | GASKET | |
| 22. | 5N-2747 | [2] | BAND AS | |
| 23. | 6B-0933 | [2] | SPACER | |
| B | USE AS REQUIRED | |||
| E | ORDER BY THE CENTIMETER | |||
#UEG0646S0449
7L-6912: SILENCER GP-AIR STARTING
7L6912 AIR SILENCER AND VAPOR ARRESTOR GROUP
Replaced by 3N9492 shown on Page 79B
FOR USE WITH 7L6914, 7L6916, 7L6913 & 7L6915 MOTOR GROUPS
SHOWN ON PAGES 72B, 74, 74B & 76
Replaced by 3N9492 shown on Page 79B
FOR USE WITH 7L6914, 7L6916, 7L6913 & 7L6915 MOTOR GROUPS
SHOWN ON PAGES 72B, 74, 74B & 76
Parts for your D398A MARINE ENGINE:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | [1] | SILENCER | ||
| 2. | [1] | GASKET | ||
| 3. | [1] | ELBOW | ||
| 4. | [2] | BOLT (3.25" Long) | ||
| 5. | [4] | LOCKWASHER | ||
| 6. | [2] | BOLT (1.25" Long) | ||
| 7. | [1] | GASKET | ||
| 8. | [4] | BOLT | ||
| 9. | [4] | LOCKWASHER | ||
| 10. | [1] | JAR | ||
| 11. | [1] | RING | ||
Information:
ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP
General Service Information
Engine News
Special Instruction
Installation of New Shift Lever Assembly for All Starter Motors {1453}
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}
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}
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 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 Install Brush Holder Assembly in All Engines {1453}
Procedure to Replace Armature of Starter Motor On All Cat<SUP>®</SUP> Products {1408, 1450, 1453}
Procedure to Replace Armature of Starter Motor On All Cat® 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>®</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 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>®</SUP> Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Specifications
Systems Operation
Testing and Adjusting
Troubleshooting
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
37-MT, 41-MT, and 42-MT Series Starting Motors
37-MT, 41-MT, and 42-MT Series Starting Motors
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
Starting Motor - Delco 50-MT
Starting Motor - Delco 50-MT
Starting Motor Continues to Operate after Start Switch Has Been Released
Starting Motor - Delco 50-MT
Starting Motor - Delco 50-MT
Disassembly and Assembly
Service Magazine