110-4171 HEAT SINK AS S/N 2SN1-UP; 5SN1-UP; 8NN1-UP PART OF 9Y-0173, 9Y-0366, 9Y-0403, 9Y-0405, 9Y-0535, 9Y-0537 GENERATOR GP SR4B

GENERATORS

GENERATOR GP

0. 110-4171 HEAT SINK
1. 125-2114 HEAT SINK
2. 298-3648 HEAT SINK
3. 253-3528 HEATER GP-
4. 269-0900 HEATER GP-

INSTALLATION AR-GENERATOR

5. 104-6203 INSTALLATI
6. 153-0191 INSTALLATI

GENERATOR GP

7. 126-6604 KIT-GENERA
8. 373-1057 KIT-GENERA
9. 115-5136 KIT-MARINE
0. INFORMATION

GENERATOR SR4B GENERATOR 1BN
SR4B Four-Pole Generators 1BN00001-UP SEBP2414 SR4B 1BN (1986)

GENERATORS

GENERATOR GP

9Y-0537 GENERATOR GP

9Y-1423 GENERATOR GP

110-4171 HEAT SINK AS

125-2114 HEAT SINK AS

298-3648 HEAT SINK AS

253-3528 HEATER GP-SPACE

#SEBP24141140

110-4171: HEAT SINK AS

HEAT SINK AS

110-4171 HEAT SINK AS
S/N 2SN1-UP; 5SN1-UP; 8NN1-UP
PART OF 9Y-0173, 9Y-0366, 9Y-0403, 9Y-0405, 9Y-0535, 9Y-0537 GENERATOR GP

i00470529 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4P-6009	[1]	VARISTOR
2.	7E-0127	[1]	RESISTOR AS
3.	110-4422	[1]	RECTIFIER (POSITIVE)
4.	110-4424	[1]	RECTIFIER (NEGATIVE)

#SEBP24141141

125-2114: HEAT SINK AS

HEAT SINK AS

125-2114 HEAT SINK AS
S/N ACA1-UP; AEB1-UP; 4DM1-UP; 5DM1-UP; 6GM1-UP; 7GM1-UP; 8DM1-UP; 8HM1-UP; ABM1-UP; 1BN1-UP; 1HN1-UP; 2DN1-UP; AAD1-UP; 2FN1-UP; 2GN1-UP; 2HN1-UP; 2SN1-UP; 3EN1-UP; 3FN1-UP; 3GN1-UP; 3HN1-UP; 4EN1-913; 4FN1-UP; ADD1-UP; 4GN1-UP; 4WN1-UP; 5SN1-UP; 5WN1-UP; 6SN1-UP; 7DN1-UP; 7TN1-UP; 8NN1-UP; 9CN1-UP; 9EN1-UP; ABH1-UP; ACP1-UP; AAR1-UP; ADR1-UP; 8XS1-UP; 5JW1-UP; 6DW1-UP; 8GW1-UP; ACX1-UP; AAY1-UP; ABY1-UP; AAJ1-UP; 2GZ1-581; AEZ1-UP; ADL1-UP; 2DM1-99999; 2GM1-UP; 3BM1-UP
PART OF 9Y-0463 GENERATOR GP, 142-4452 RECTIFIER GP-REVOLVING
ALSO AN ATTACHMENT

i00520700 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2R-8159	[4]	BOLT-SOCKET HEAD (10-32X1.5-IN)
2.	4B-2043	[1]	NUT (8-32-THD)
3.	4B-2049	[4]	NUT (10-32-THD)
4.	4P-6009	[1]	VARISTOR
5.	7E-0127	[1]	RESISTOR AS
6.	7S-1197	[1]	SCREW-MACHINE (8-32X0.5-IN)
7.	9B-7233	[1]	LOCKWASHER
8.	110-4422	[1]	RECTIFIER (POSITIVE)
9.	110-4424	[1]	RECTIFIER (NEGATIVE)
10.	117-8556	[4]	WASHER (5.6X7.8X0.5-MM THK)
11.	5P-0537	[2]	WASHER-HARD (7.2X14.5X2-MM THK)
12.	9F-7022	[2]	BOLT (1/4-20X1.5-IN)
13.	9S-8750	[2]	NUT-FULL (1/4-20-THD)

#SEBP24141142

298-3648: HEAT SINK AS

HEAT SINK AS

298-3648 HEAT SINK AS
S/N ACA212-UP; ABH214-UP; 7GM853-UP; 8DM1374-UP; 8HM1-UP; ABM321-UP; 1BN686-UP; 1HN721-UP; 2DN1-UP; 2FN1-UP; 2GN1269-UP; 2HN609-UP; AAJ1-UP; 2SN1-UP; 3EN641-UP; 3FN1115-UP; 3GN517-UP; 3HN547-UP; 4EN914-UP; 4FN1-UP; 4GN619-UP; 4WN587-UP; 5SN730-UP; ADL275-UP; 5WN1-UP; 6SN1-UP; 7DN1-UP; 7TN1-UP; 8NN1-UP; 9CN586-UP; 9EN583-UP; ACP1-UP; 8XS517-UP; 5JW826-UP; 2DM1838-UP; 6DW1-UP; 8GW702-UP; AAY1-UP; ABY572-UP; 2GZ1-UP; 2GM1057-UP; 3BM759-UP; 4DM1061-UP; 5DM665-UP; 6GM684-UP
PART OF 298-3817 RECTIFIER GP-REVOLVING
ALSO AN ATTACHMENT

i05095430 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	117-8556	[2]	WASHER (5.6X7.8X0.5-MM THK)
2.	6V-7978	[2]	SCREW-MACHINE (10-32X0.375-IN)
3.	4B-2049	[2]	NUT (10-32-THD)
4.	460-7022	[1]	VARISTOR AS
5.	7E-0127	[1]	RESISTOR AS
6.	178-3339	[1]	SCREW (8-32X0.5-IN)
7.	9B-7233	[1]	LOCKWASHER
8.	4B-2043	[1]	NUT (8-32-THD)

#SEBP24141143

253-3528: HEATER GP-SPACE

HEATER GP-SPACE

253-3528 HEATER GP-SPACE
S/N 7TN1-UP
GENERATOR
PART OF 294-7497, 318-5153 GENERATOR GP

i03601301 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-8876	[4]	BRACKET-SPACE
2.	338-1563	[1]	HARNESS AS-WIRING (SPACE HEATER)
3.	289-0445	[2]	HEATER AS-SPACE (600-WATT)
4.	0S-1615	[8]	BOLT (1/4-20X0.75-IN)
5.	5P-0537	[8]	WASHER-HARD (7.2X14.5X2-MM THK)
6.	9S-8750	[4]	NUT-FULL (1/4-20-THD)

#SEBP24141144

269-0900: HEATER GP-SPACE

HEATER GP-SPACE

269-0900 HEATER GP-SPACE
S/N 5SN907-UP
PART OF 228-6785 STATOR GP-MAIN

i02332330 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-1388	[2]	HEATER AS-SPACE (600-WATT)
2.	124-0056	[4]	BAR (HEATER MOUNTING)
3.	268-9732	[2]	HARNESS AS-WIRING (SPACE HEATER)(SPACE HEATER)
4.	031-0243	[8]	SCREW (1/4-20X0.625-IN)

#SEBP24141145

104-6203: INSTALLATION AR-GENERATOR

INSTALLATION AR-GENERATOR

104-6203 INSTALLATION AR-GENERATOR
S/N 3FN1-UP
480-VOLT
FOR USE WITH 809 CLOSE COUPLED, 2-BEARING GENERATOR
AN ATTACHMENT

i00963241 SEBP2414

1046203 INSTALLATION AR-GENERATOR Parts scheme

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5N-3765 Y	[1]	COUPLING GP-FLEXIBLE
2.	7J-7868	[8]	BOLT (7/8-9X3-IN)
3.	4M-6953	[8]	WASHER-HARD (24X38X3.5-MM THK)
4.	8T-8919 C	[16]	BOLT (1/2-13X1.75-IN)
5.	8T-4223 C	[16]	WASHER-HARD (13.5X25.5X3-MM THK)
6.	7X-0410 C	[4]	BOLT (1-8X4-IN)
7.	8T-5361 C	[8]	WASHER-HARD (28X49X5-MM THK)
8.	6V-8190 C	[4]	NUT (1-8-THD)
9.	4B-3605 B	[4]	SETSCREW-SQUARE HEAD (3/4-10X3-IN)
10.	137-8533 BC	[4]	SHIM PACK (INCLUDES 13-SHIMS)
11.	292-5889 BC	[4]	SETSCREW (1-8X3.25-IN)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP24141146

153-0191: INSTALLATION AR-GENERATOR

INSTALLATION AR-GENERATOR

153-0191 INSTALLATION AR-GENERATOR
S/N 2DM1-UP; 2FN1-UP
FOR USE WITH 690-FRAME, SINGLE BEARING GENERATOR
AN ATTACHMENT

i00800908 SEBP2414

1530191 INSTALLATION AR-GENERATOR Parts scheme

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-8919	[16]	BOLT (1/2-13X1.75-IN)
2.	8T-4223	[16]	WASHER-HARD (13.5X25.5X3-MM THK)
3.	4B-3605 B	[4]	SETSCREW-SQUARE HEAD (3/4-10X3-IN)
4.	6V-8190 B	[6]	NUT (1-8-THD)
5.	137-8533 B	[6]	SHIM PACK (INCLUDES 13-SHIMS)
6.	8T-5361 B	[12]	WASHER-HARD (28X49X5-MM THK)
7.	7X-0408 B	[6]	BOLT (1-8X3.5-IN)
8.	8T-4122	[12]	WASHER-HARD (17X32X3.5-MM THK)
9.	8T-9396	[12]	BOLT (5/8-11X3.25-IN)
	B		USE AS REQUIRED

#SEBP24141147

126-6604: KIT-GENERATOR REPAIR

KIT-GENERATOR REPAIR

126-6604 KIT-GENERATOR REPAIR
S/N 2DM1-UP; 2DN1-UP; 2FN1-UP; 3FN1-UP; 3HN1-UP; 4WN1-UP; 6SN1-UP; 7DN1-UP
FOR USE WITH 690-FRAME, TWO BEARING
AN ATTACHMENT

i02799453 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
298-3817 Y	[1]	RECTIFIER GP-REVOLVING
114-5510 Y	[1]	REGULATOR AS-VOLTAGE (VR3 PERMANENT MAGNET)
		-OR-
202-8634 Y	[1]	REGULATOR AS-VOLTAGE (VR6 PERMANENT MAGNET)
		-OR-
309-1019 Y	[1]	REGULATOR GP-VOLTAGE (VR6 PERMANENT MAGNET)

108-1760	[1]	BALL BEARING
108-1761	[1]	BALL BEARING
9Y-8419	[12]	FUSE (12-AMPERE)
9Y-6027	[12]	FUSE-CERAMIC (10-AMPERE)
7E-8266	[2]	HOLDER AS-FUSE
110-4422	[1]	RECTIFIER (POSITIVE)
110-4424	[1]	RECTIFIER (NEGATIVE)
7E-0127	[1]	RESISTOR AS
126-4997	[1]	SLEEVE-SHAFT
295-4153	[2]	TRANSFORMER AS (LOW VOLTAGE)
4P-6009	[1]	VARISTOR
Y		SEPARATE ILLUSTRATION

#SEBP24141148

373-1057: KIT-GENERATOR REPAIR

KIT-GENERATOR REPAIR

373-1057 KIT-GENERATOR REPAIR
S/N AEB1-UP; AAD1-UP; 2SN1-UP; 4EN1-UP; 4FN1-UP; 4GN1-UP; 5SN1-UP; 5WN1-UP; 7TN1-UP; 8NN1-UP; 9CN1-UP; AAR1-UP; ADD1-UP; ADR1-UP; 8XS1-UP; AAY1-UP; 2GZ1-UP; AEZ1-UP; AAJ1-UP; ADL1-UP; 6GM1-UP; 7GM1-UP; 8DM1-UP; 1HN1-UP; 2HN1-UP
FOR USE WITH 822-FRAME, 824-FRAME, 825-FRAME, 826-FRAME, 827-FRAME, 828-FRAME
AN ATTACHMENT

i04934883 SEBP2414

3731057 KIT-GENERATOR REPAIR Parts scheme

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
1.	359-9732	[1]	SLEEVE-WEAR
2.	361-5555	[2]	INSULATOR

#SEBP24141149

115-5136: KIT-MARINE GENERATOR PARTS

KIT-MARINE GENERATOR PARTS

115-5136 KIT-MARINE GENERATOR PARTS
S/N 2DM1-UP; 8HM1-UP; 6SN1-UP; 7DN1-UP; 1BN1-UP; 2DN1-UP; 2FN1-UP; 2GN1-UP; 3FN1-UP; 3GN1-UP; 3HN1-UP; 4WN1-UP
FOR USE WITH 660-FRAME, 690-FRAME
AN ATTACHMENT

i00493360 SEBP2414

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Parts for your SR4B GENERATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
298-3817 Y	[1]	RECTIFIER GP-REVOLVING
314-7755 Y	[1]	REGULATOR AS-VOLTAGE (DIGITAL)

154-3488	[2]	TRANSFORMER AS-CURRENT

108-1761	[1]	BALL BEARING
9Y-8419	[12]	FUSE (12-AMPERE)
155-8755	[12]	FUSE (10-AMPERE)
326-8855	[2]	PLUG-RESISTOR
314-9094	[2]	PLUG
126-4997	[1]	SLEEVE-SHAFT
Y		SEPARATE ILLUSTRATION

Information:

GENERATORS

GENERATOR GP

General Service Information

Safety
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Identification
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Abbreviations
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Symbols
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Components
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Energize To Run Engine System
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Schematics And Wiring Diagrams
SR4 GENERATOR MOUNTED CONTROL PANEL FOR SPARK IGNITED (SI) E

Operation
FLOOR-STANDING SWITCHGEAR

Automatic Start-Stop
FLOOR-STANDING SWITCHGEAR

Alternating Current Components Troubleshooting
FLOOR-STANDING SWITCHGEAR

Automatic Start-Stop Troubleshooting
FLOOR-STANDING SWITCHGEAR

Engine News

New Part Kits Available For SR4B Generators{4469}
1996/06/12

Special Instruction, REHS0345, "Generator Service Literature Index" Is Available {4450}
1998/11/01

New Maintenance Information For Generators{4450}
1998/12/01

Use 152-7143 Cable Assembly For Flash-Programming Generator Status Control Module{4450}
1999/02/01

Special Instruction, REHS0345-01, "Generator Service Literature Index" Is Available{4450}
1999/04/01

Improved Rectifiers Increases Service Life {4473}
2003/06/01

Proper Application and Operation of Generator Set Will Increase Varistor Life and Will Minimize Generator Set Repair Costs and Down Time {4466}
2003/10/01

Improved Rectifier Assembly Is Now Used {4465}
2005/10/10

Updated Cat EPD Alternator Failure Report Template Is Now Available for Cat Generator Sets {1404}
2011/05/25

Special Instruction

Generator Service Literature Index{4450}
Generator Service Literature Index{4450}

Grounding Design Guide for Electric Power Generation Products {4450, 4459}
Grounding Design Guide for Electric Power Generation Products {4450, 4459}

Generator Bearing Service {4457}
Generator Bearing Service {4457}

Instructions for Installing AssetIQTM for Commercial Generator Set Systems on Caterpillar and non-Caterpillar Products {4450, 7490}
Instructions for Installing AssetIQ^TM for Commercial Generator Set Systems on Caterpillar and non-Caterpillar Products {4450, 7490}

Technical Information Bulletin

Generator Lead Connections Can Rub Against The Terminal Box Or Each Other
Generator Lead Connections Can Rub Against The Terminal Box Or Each Other

Paralleling Generators To Utility Substations
Paralleling Generators To Utility Substations

Reported Failures Of 110-4422 Rectifiers And 110-4424 Rectifiers On 3500-Series Generator Sets
Reported Failures Of 110-4422 Rectifiers And 110-4424 Rectifiers On 3500-Series Generator Sets

Application of Thermally Conductive 4C-6715 Rectifier Silicone Kit when Installing 9Y-0916 Rectifier Assembly
Application of Thermally Conductive 4C-6715 Rectifier Silicone Kit when Installing 9Y-0916 Rectifier Assembly

Specifications

General Information
SR4 and SR4B Electric Power Generation Rewind Data

Generator Identification
SR4 and SR4B Electric Power Generation Rewind Data

Component Views
SR4 and SR4B Electric Power Generation Rewind Data

Connection Diagrams for Exciter
SR4 and SR4B Electric Power Generation Rewind Data

Connection Diagrams for Main Stator and Main Rotor
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-0001 Generator through 5N-0025 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 102-2415 Generator through 108-3052 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 109-1595 Generator through 109-3774 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-0027 Generator through 5N-0050 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-0051 Generator through 5N-0075 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-0076 Generator through 5N-0090 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-0431 Generator through 5N-7207 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 111-8240 Generator through 112-1481 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 115-5101 Generator through 121-6860 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 121-6882 Generator through 123-3185 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 129-1502 Generator through 129-5034 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-7208 Generator through 5N-7232 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-7233 Generator through 5N-7309 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 130-0234 Generator through 130-7595 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-8891 Generator through 5N-8911 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 5N-9081 Generator through 5N-9432 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 4P-2236 Generator through 4P-9907 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 4W-0183 Generator through 4W-9669 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 7C-1601 Generator through 7C-9126 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 7E-0097 Generator through 7E-9695 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 7W-1877 Generator through 7W-8825 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 9Y-0157 Generator through 9Y-0389 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 9Y-0390 Generator through 9Y-0533 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 9Y-1408 Generator through 9Y-9422 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Terminology
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 144-0469 Generator through 144-0583 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 166-2651 Generator through 166-2689 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 166-2691 Generator through 166-7187 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 144-1811 Generator through 144-1951 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 147-9437 Generator through 147-9497 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 153-3081 Generator through 153-3098 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 167-1351 Generator through 167-1354 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 126-8022 Generator through 128-7424 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 136-6580 Generator through 136-6609 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 141-5534 Generator through 142-9900 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 144-1666 Generator through 144-1766 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 136-6610 Generator through 136-6641 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 144-1964 Generator through 144-2088 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 149-2447 Generator through 150-9152 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 158-6410 Generator through 163-8546 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 164-0975 Generator through 164-4946 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 173-7078 Generator through 194-6563 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 203-5749 Generator through 324-5120 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 6I-0053 Generator through 6I-4860 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Winding Data for 109-3776 Generator through 109-7874 Generator
SR4 and SR4B Electric Power Generation Rewind Data

Systems Operation

Generator Operation
SR4B Generators

General Information
SR4B Generators

Component Descriptions
SR4B Generators

Glossary
SR4B Generators

Main Revolving Field Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Options (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Main Revolving Field Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Options (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

General Information (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

General Information (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Generator Wiring Diagrams (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Main Stator and Voltage Sensing Lead Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Main Stator and Voltage Sensing Lead Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Oil Field Generator Connections (SR4)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options

Testing and Adjusting

General Information
SR4B Generators

Troubleshooting
SR4B Generators

Generator Set - Test
SR4B Generators

Varistor - Test
SR4B Generators

Rotating Rectifier - Test
SR4B Generators

Winding - Test
SR4B Generators

Resistor - Test
SR4B Generators

Exciter Field - Flash
SR4B Generators

Generator - Dry
SR4B Generators

Insulation - Test
SR4B Generators

Disassembly and Assembly

Coupling - Install
SR4B Generators

Coupling - Remove
SR4B Generators

Bearing - Remove and Install
SR4B Generators

Rotor - Remove and Install
SR4B Generators

Generator - Align
SR4B Generators

Generator - Install
SR4B Generators

Generator - Remove
SR4B Generators

Exciter - Remove and Install
SR4B Generators

Service Magazine

Use 142-5055 Insulation Tester Group To Measure And Check Insulation Resistance{4450,0785}
1998/03/23

Special Instruction, REHS0345, "Generator Service Literature Index" Is Available{4450}
1998/10/26

A List Of Contacts For Caterpillar Product Support Is Available {1000, 4450, 7000}
2002/03/25

Caterpillar Parts SIS Catalog SR4B :

125-2114 HEAT SINK AS

298-3648 HEAT SINK AS

253-3528 HEATER GP-SPACE

269-0900 HEATER GP-SPACE

104-6203 INSTALLATION AR-GENERATOR

153-0191 INSTALLATION AR-GENERATOR

126-6604 KIT-GENERATOR REPAIR

373-1057 KIT-GENERATOR REPAIR

Truck sale:

Caterpillar SR4B
- Systems / Components
TOROMONT POWER SYSTEMS

Caterpillar SR4B
- Stationary Generator Sets
MACALLISTER MACHINERY CO., INC

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