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7C4215 STARTING MOTOR GP-AIR Reverse Rotation 4W5109-Page 76.06 D398A MARINE ENGINE




ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
 

#UEG0646S0440
 

7C-4215: STARTING MOTOR GP-AIR

7C4215 STARTING MOTOR GP-AIR
Reverse Rotation
4W5109-Page 76.06
c404060 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-5109 Y [1] MOTOR GP-AIR STARTING  
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
 

#UEG0646S0441
 

3L-9922: VALVE GP-WHISTLE

3L9922 WHISTLE VALVE
Part of 7L6914, 7L6916, 7L6913 & 7L6915 Motor Groups shown on Pages 73 through 76
c59307 UEG0646S
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Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-2803 [1] LEVER ASSEM.  
  4L-3054 [1] GLAND  
  4L-2804 [1] PACKING  
  4L-3055 [1] STEM  
  4L-2808 [1] NUT  
  4L-2805 [1] DISC  
  4L-2807 [1] HOLDER  
  4L-2806 [1] SPRING  
 

#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
c107049 UEG0646S
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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
c107049 UEG0646S
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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
c132941 UEG0646S
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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
c104613 UEG0646S
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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
c156562 UEG0646S
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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
c229543 UEG0646S
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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
c303221 UEG0646S
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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
c104941 UEG0646S
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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:

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
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
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
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

Caterpillar Parts SIS Catalog D398A :

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