D343 ENGINE 62B06728-UP ELECTRICAL AND STARTING SYSTEM Caterpillar SIS

INDUSTRIAL ENGINE D343 INDUSTRIAL ENGINE 62B
D343 ENGINE 62B06728-UP UEG0873S D343 62B (1960)

Parts group D343:

For full view, you need register

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING

6L-9412 GENERATOR GROUP

6L9412 GENERATOR GROUP--24 Volt, 18 Ampere--Type 1
4L2113 Generator parts are shown on Page 284
AN ATTACHMENT

6L-9412 GENERATOR GROUP

6L9412 GENERATOR GROUP--24 Volt, 18 Ampere--Type 2
4L2113 Generator parts are shown on Page 284
AN ATTACHMENT

4L-2113 GENERATOR ASSEMBLY

4L2113 GENERATOR ASSEMBLY
Part of 6L9412 Generator Group shown on Pages 282 and 283

2N-8804 ALTERNATOR GROUP

2N8804 ALTERNATOR GROUP--24 Volt, 35 Ampere
Replaced by 3N5680 and 3N7719 Alternator Group shown on Pages 285A, 285C
and 285D. 2N6397 Alternator and 2L9808 Wiring parts are shown on
Pages 286 and 287. AN ATTACHMENT

3N-5680 ALTERNATOR GP-CHARGING

3N5680 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 1
FOR USE WITH 3N7719 ALTERNATOR MOUNTING GROUP SHOWN ON PAGES
285C AND 285D. 2N6397 Alternator parts are shown on Page 286
AN ATTACHMENT

3N-5680 ALTERNATOR GP-CHARGING

3N5680 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 2
FOR USE WITH 3N7719 ALTERNATOR MOUNTING GROUP SHOWN ON PAGES
285C AND 285D. 2N6397 Alternator parts are shown on Page 286
AN ATTACHMENT

3N-5680 ALTERNATOR GP-CHARGING

3N5680 ALTERNATOR GROUP--24 Volt, 35 Ampere--Type 3
FOR USE WITH 3N7719 ALTERNATOR MOUNTING GROUP SHOWN ON PAGES 285C
AND 285D. 2N6398 Alternator parts are shown on Page 286A. AN ATTACHMENT

3N-7684 ALTERNATOR GP

3N7684 ALTERNATOR GROUP--30 or 32 Volt, 60 Ampere
FOR USE WITH 3N8343 ALTERNATOR MOUNTING GROUP SHOWN ON PAGES 285E
AND 285F. 4N3987 Alternator parts are shown on Pages 285G and 285H
AN ATTACHMENT

3N-7719 ALTERNATOR MOUNTING GROUP

3N7719 ALTERNATOR MOUNTING GROUP--Type 1
FOR USE WITH 3N5680 ALTERNATOR GROUP SHOWN ON PAGE 285A. CANNOT BE USED WITH FRONT POWER TAKE-OFF
2L9808 Wiring parts are shown on Page 287. AN ATTACHMENT

3N-7719 ALTERNATOR MOUNTING GROUP

3N7719 ALTERNATOR MOUNTING GROUP--Type 2
FOR USE WITH 3N5680 ALTERNATOR GROUP SHOWN ON PAGE 285A. CANNOT BE USED WITH FRONT POWER TAKE-OFF
2L9808 Wiring parts are shown on Page 287. AN ATTACHMENT

3N-8343 ALTERNATOR MOUNTING GROUP

3N8343 ALTERNATOR MOUNTING GROUP--Type 1
FOR USE WITH 3N7684 ALTERNATOR GROUP SHOWN ON PAGE 285B. CANNOT BE USED WITH FRONT POWER TAKE-OFF
AN ATTACHMENT

3N-8343 ALTERNATOR MOUNTING GROUP

3N8343 ALTERNATOR MOUNTING GROUP--Type 2
FOR USE WITH 3N7684 ALTERNATOR GROUP SHOWN ON PAGE 285B
CANNOT BE USED WITH FRONT POWER TAKE-OFF. AN ATTACHMENT

4N-3987 ALTERNATOR GP

4N3987 ALTERNATOR GROUP--Part 1 of 2
Part of 3N7684 Alternator Group shown on Page 285B
AN ATTACHMENT

4N-3987 ALTERNATOR GP

4N3987 ALTERNATOR GROUP--Part 2 of 2
Part of 3N7684 Alternator Group shown on Page 285B
AN ATTACHMENT

2N-6397 ALTERNATOR AS

2N6397 ALTERNATOR ASSEMBLY
Part of 2N8804 Alternator Group shown on Page 285

2N-6398 ALTERNATOR AS

2N6398 ALTERNATOR ASSEMBLY--24 Volt, 35 Ampere
Provides Field Replacement for 2N6397 Alternator Assembly shown on Page 286

4N-3986 ALTERNATOR GP

4N3986 ALTERNATOR GROUP--24 Volt, 60 Ampere--Side View - Part 1 of 2
Part of 3N7683 Alternator Group shown on Page 286D

4N-3986 ALTERNATOR GP

4N3986 ALTERNATOR GROUP--24 Volt, 60 Ampere--End View - Part 2 of 2
Part of 3N7683 Alternator Group shown on Page 286D

3N-7683 ALTERNATOR GP

3N7683 ALTERNATOR GROUP--24 Volt, 60 Ampere
4N3986 Alternator parts are shown on Pages 286B and 286C

BATTERY GP

3N-7056 SUPPORT GP-BATTERY

3N7056 BATTERY SUPPORT GROUP
FOR USE WITH STANDBY ELECTRIC SET
Only separate parts serviced. AN ATTACHMENT

7L-7870 BATTERY GP

7L7870 BATTERY GROUP--24 Volt, 120 Ampere Hours
FOR USE ABOVE 30 DEGREES FAHRENHEIT TEMPERATURE
Only separate parts serviced. AN ATTACHMENT

7L-7871 BATTERY GP

7L7871 BATTERY GROUP--24 Volt, 172 Ampere Hours
FOR USE BETWEEN 0 DEGREES AND 30 DEGREES FAHRENHEIT
TEMPERATURES. AN ATTACHMENT

7L-7872 BATTERY GP

7L7872 BATTERY GROUP--24 Volt, 220 Ampere Hours
FOR USE BETWEEN -20 DEGREES AND 0 DEGREES FAHRENHEIT
TEMPERATURES. AN ATTACHMENT

BOX GP

3N-0859 JUNCTION BOX GP

3N859 JUNCTION BOX GROUP
FOR USE WITH ELECTRIC WOODWARD GOVERNOR. Also part of 3N874 and
3N873 Start-Stop Arrangements listed on Pages 255 and 257
AN ATTACHMENT

5L-6546 JUNCTION BOX GROUP

5L6546 JUNCTION BOX GROUP
Part of 2N2400 and 2N3889 Start-Stop Arrangements listed on Pages 255 and 257
Refer to Chart listed on Pages 254B and 254C for usage
AN ATTACHMENT

2N-4392 JUNCTION BOX GROUP

2N4392 JUNCTION BOX GROUP
Part of 2N2400 and 2N3889 Start-Stop Arrangements listed on Pages
255 and 257. Only separate parts serviced

3N-6710 BOX GP-EXTENSION TERMINAL

3N6710 EXTENSION TERMINAL BOX GROUP
FOR USE WITH STANDBY ELECTRIC SET. Also part of 3N5567
Connection Box Group shown on Page 362. AN ATTACHMENT

3N-8360 BOX GP-EXTENSION TERMINAL

3N8360 EXTENSION TERMINAL BOX GROUP
FOR USE WITH 5N48 AND 5N49 GENERATORS SHOWN ON
PAGES 342 THROUGH 345

3N-5567 BOX GP-GENERATOR CONNECTION

3N5567 GENERATOR CONNECTION BOX GROUP
FOR USE WITH SR4 GENERATORS. 3N6710 Box parts are shown on Page 361
AN ATTACHMENT

CIRCUIT BREAKER GP

3N-6737 MOUNTING GP-CIRCUIT BREAKER

3N6737 CIRCUIT BREAKER MOUNTING GROUP--Type 1
Part of Circuit Breakers shown on Pages 364A and 364B
AN ATTACHMENT

3N-6737 MOUNTING GP-CIRCUIT BREAKER

3N6737 CIRCUIT BREAKER MOUNTING GROUP--Type 2
Part of Circuit Breakers shown on Pages 364A and 364B
AN ATTACHMENT

3N-7052 CHART-CIRCUIT BREAKER

3N7052 CIRCUIT BREAKERS--Stand-By Power
FOR USE WITH 3N6710 AND 3N8360 EXTENSION TERMINAL BOX GROUPS
SHOWN ON PAGES 361 AND 361B

5N-2703 CHART-CIRCUIT BREAKER

5N2703 CIRCUIT BREAKER CHART--Prime Power
FOR USE WITH 3N6710 AND 3N8360 EXTENSION TERMINAL BOX GROUPS
SHOWN ON PAGES 361 AND 361B

3N-7051 MOUNTING GP-CIRCUIT BREAKER

3N7051 CIRCUIT BREAKER MOUNTING GROUP--Type 1
FOR USE WITH 3N6710 EXTENSION TERMINAL BOX GROUP SHOWN ON PAGE 361
Part of 3N7052 and 5N2703 Circuit Breaker Charts shown on Pages 364A and 364B
AN ATTACHMENT

3N-7051 MOUNTING GP-CIRCUIT BREAKER

3N7051 CIRCUIT BREAKER MOUNTING GROUP--Type 2
FOR USE WITH 3N6710 EXTENSION TERMINAL BOX GROUP SHOWN ON PAGE 361
Part of 3N7052 and 5N2703 Circuit Breaker Charts shown on Pages 364A and 364B
AN ATTACHMENT

CONTACTOR GP

3N-7725 CONTACTOR MOUNTING GROUP

3N7725 CONTACTOR MOUNTING GROUP
FOR USE WITH SHUT-DOWN CONTACTORS
AN ATTACHMENT

3N-6531 CONTACTOR MOUNTING GROUP

3N6531 CONTACTOR MOUNTING GROUP--Type 1
FOR USE WITH ELECTRIC WOODWARD GOVERNOR
AN ATTACHMENT

3N-6531 CONTACTOR MOUNTING GROUP

3N6531 CONTACTOR MOUNTING GROUP--Type 2
FOR USE WITH ELECTRIC WOODWARD GOVERNOR
AN ATTACHMENT

3N-9602 CONTACTOR GP

3N9602 CONTACTOR GROUP--Oil Pressure and Water Temperature
Refer to Automatic Start-Stop Chart listed on Page 254C for usage
AN ATTACHMENT

5N-3955 CONTACTOR MOUNTING GROUP

5N3955 CONTACTOR MOUNTING GROUP
AN ATTACHMENT

3N-8790 CONTACTOR GP-PRE-ALARM

3N8790 PRE-ALARM CONTACTOR GROUP--Replaced by 5N3858
FOR USE WITH PACKAGED GENERATOR SET
AN ATTACHMENT

5N-3858 CONTACTOR GP-PRE-ALARM

5N3858 PRE-ALARM CONTACTOR GROUP
FOR USE WITH PACKAGED GENERATOR SET
AN ATTACHMENT

3N-6526 CONTACTOR GP

3N6526 CONTACTOR GROUP--Oil Pressure and Water Temperature
Replaced by 3N9602 shown on Page 268A. FOR USE WITH ELECTRIC WOODWARD
GOVERNOR. Refer to Automatic Start-Stop Chart listed on Page 254C for usage
AN ATTACHMENT

3N-7444 PRE-ALARM CONTACTOR GROUP

3N7444 PRE-ALARM CONTACTOR GROUP
Part of 3N8790 Pre-Alarm Contactor Group listed on Page 268B
AN ATTACHMENT

4L-6190 SAFETY ALARM CONTACTOR GROUP

4L6190 SAFETY ALARM CONTACTOR GROUP--Type 1
Also part of 2N1946 and 3N3956 Shut-Off Arrangements listed on
Pages 262 and 263. AN ATTACHMENT

4L-6190 SAFETY ALARM CONTACTOR GROUP

4L6190 SAFETY ALARM CONTACTOR GROUP--Type 2
Also part of 2N1946 and 3N3956 Shut-Off Arrangements listed on
Pages 262 and 263. AN ATTACHMENT

4L-6190 SAFETY ALARM CONTACTOR GROUP

4L6190 SAFETY ALARM CONTACTOR GROUP--Type 3
Also part of 2N1946 and 3N3956 Shut-Off Arrangements listed on
Pages 262 and 263. AN ATTACHMENT

4L-6190 SAFETY ALARM CONTACTOR GROUP

4L6190 SAFETY ALARM CONTACTOR GROUP--Type 4
Also part of 2N1946 and 3N3956 Shut-Off Arrangements listed on
Pages 262 and 263. AN ATTACHMENT

2N-2401 SAFETY ALARM CONTACTOR GROUP

2N2401 SAFETY ALARM CONTACTOR GROUP--Type 1
Part of 2N2400, 3N874, 2N3889 and 3N873 Start-Stop Arrangements
listed on Pages 255 and 257

2N-2401 SAFETY ALARM CONTACTOR GROUP

2N2401 SAFETY ALARM CONTACTOR GROUP--Type 2
Part of 2N2400, 3N874, 2N3889 and 3N873 Start-Stop Arrangements
listed on Pages 255 and 257

2N-2401 SAFETY ALARM CONTACTOR GROUP

2N2401 SAFETY ALARM CONTACTOR GROUP--Type 3
Replaced by 3N8978 and 3N8979 shown on Page 273A. Part of 2N2400, 3N874,
2N3889 and 3N873 Start-Stop Arrangements listed on Pages 255 and 257

3N-6312 CONTACTOR GROUP

3N6312 CONTACTOR GROUP
Replaced by 3N8978 and 3N8979 shown on Page 273A
Part of 3N7046 and 3N6419 Start-Stop Arrangements listed on Page 256

3N-8978 CONTACTOR MOUNTING GROUP

3N8978 CONTACTOR MOUNTING GROUP
Replaced by 3N9650 shown on Page 273B. Refer to Automatic Start-Stop
Chart listed on Page 254C for usage

3N-8979 CONTACTOR GP

3N8979 CONTACTOR GROUP
Replaced by 3N9601 shown on Page 273B. Refer to Automatic Start-Stop
Chart listed on Page 254C for usage

3N-9650 CONTACTOR MOUNTING GROUP

3N9650 CONTACTOR MOUNTING GROUP
Refer to Automatic Start-Stop Chart listed on Page 254C for usage
AN ATTACHMENT

3N-9601 CONTACTOR GROUP

3N9601 CONTACTOR GROUP
Refer to Automatic Start-Stop Chart listed on Page 254C for usage
AN ATTACHMENT

3N-9595 CONTACTOR GP

3N9595 CONTACTOR GROUP--Type 1
AN ATTACHMENT

3N-9595 CONTACTOR GP

3N9595 CONTACTOR GROUP--Type 2
AN ATTACHMENT

3N-9595 CONTACTOR GP

3N9595 CONTACTOR GROUP--Type 3
AN ATTACHMENT

3N-9595 CONTACTOR GP

3N9595 CONTACTOR GROUP--Type 4
AN ATTACHMENT

3N-6385 CONTACTOR GP-OVERSPEED

3N6385 OVERSPEED CONTACTOR GROUP
Provides Field Replacement for 3N4026 Contactor shown on Page 274

7L-7367 CONTACTOR GP-OVERSPEED

7L7367 OVERSPEED SAFETY CONTACTOR GROUP
FOR USE WITH SAFETY SHUT-OFF
AN ATTACHMENT

3N-5877 CONTACTOR GP-OVERSPEED

3N5877 OVERSPEED SAFETY CONTACTOR GROUP
FOR USE WITH AUTOMATIC START-STOP
AN ATTACHMENT

GLOW PLUG GP

7S-4280 GLOW PLUG AND WIRING GROUP

7S4280 GLOW PLUG AND WIRING GROUP--24 Volt
Serial No. 62B6728 to 67B16208 inclusive

6N-2994 PLUG GP-GLOW

6N2994 GLOW PLUG GROUP--24 Volt
Serial No. 62B16209-Up

4L-6716 GLOW PLUG AND WIRING GROUP

4L6716 GLOW PLUG AND WIRING GROUP--24 Volt--Type 1
FOR USE WITH ELECTRIC STARTING
AN ATTACHMENT

4L-6716 GLOW PLUG AND WIRING GROUP

4L6716 GLOW PLUG AND WIRING GROUP--24 Volt--Type 2
FOR USE WITH ELECTRIC STARTING. 6L4407 Wiring parts are shown on Page 279. Only separate parts serviced
When complete Group is required order 3N6618 shown on Page 278. AN ATTACHMENT

3N-6618 GLOW PLUG AND WIRING GROUP

3N6618 GLOW PLUG AND WIRING GROUP--24 Volt
Serial No. 62B6728 to 62B12326 inclusive
6L4407 Wiring parts are shown on Page 279. AN ATTACHMENT

3N-7712 GLOW PLUG MOUNTING GROUP

3N7712 GLOW PLUG MOUNTING GROUP--Type 2
Serial No. 62B12327-Up
6L4407 Wiring parts are shown on Page 279. AN ATTACHMENT

3N-7712 GLOW PLUG MOUNTING GROUP

3N7712 GLOW PLUG MOUNTING GROUP--24 or 32 Volt--Type 1
Serial No. 62B12327-Up
6L4407 Wiring parts are shown on Page 279. AN ATTACHMENT

3N-7680 PLUG GP-GLOW

3N7680 GLOW PLUG GROUP--32 Volt--3 Required
Serial No. 62B12327 to 62B16170 inclusive
FOR USE WITH 3N7712 MOUNTING GROUP SHOWN ON PAGE 278A

6N-1059 PLUG GP-GLOW

6N1059 GLOW PLUG GROUP--32 Volt--3 Required
Serial No. 62B16171-Up. FOR USE WITH 3N7712 MOUNTING GROUP SHOWN ON
PAGE 278A. AN ATTACHMENT

3N-7679 PLUG GP-GLOW

3N7679 GLOW PLUG GROUP--24 Volt--3 Required
Serial No. 62B12327 to 62B16170 inclusive. FOR USE WITH 3N7712 MOUNTING
GROUP SHOWN ON PAGE 278A. AN ATTACHMENT

6N-1058 PLUG GP-GLOW

6N1058 GLOW PLUG GROUP--24 Volt--3 Required
Serial No. 62B16171-Up. FOR USE WITH 3N7712 MOUNTING GROUP SHOWN
ON PAGE 278A. AN ATTACHMENT

SENDER GP

3N-7000 SENDER GROUP

3N7000 SENDER GROUP
FOR USE WITH PACKAGED GENERATOR SET
AN ATTACHMENT

SHUTOFF GP

5L-8984 SOLENOID SHUT-OFF GROUP

5L8984 SOLENOID SHUT-OFF GROUP--24 Volt
Replaced by 3N584. FOR USE WITH HYDRO-MECHANICAL GOVERNOR. Also
part of 2N3889 and 2N1946 Arrangements listed on Pages 257 and 262
AN ATTACHMENT

3N-0584 SHUT-OFF GP-SOLENOID

3N584 SOLENOID SHUT-OFF GROUP--24 Volt
Also part of 3N6419, 2N3889, 3N873 and 2N1946 Arrangements listed on Pages
256, 257 and 262. Refer to Chart listed on Pages 254B and 254C
for usage. AN ATTACHMENT

2N-1946 SAFETY SHUT-OFF ARRANGEMENT

2N1946 SAFETY SHUT-OFF ARRANGEMENT--24 Volt
OIL PRESSURE AND WATER TEMPERATURE
AN ATTACHMENT

3N-3956 SAFETY SHUT-OFF ARRANGEMENT

3N3956 SAFETY SHUT-OFF ARRANGEMENT--24 Volt
OIL PRESSURE AND WATER TEMPERATURE. FOR USE WITH 1N9790
WOODWARD GOVERNOR AND DRIVE GROUP SHOWN ON PAGES 184
THROUGH 189. AN ATTACHMENT

2N-4975 SAFETY SHUT-OFF GROUP

2N4975 SAFETY SHUT-OFF GROUP--Oil Pressure
FOR USE WITH HYDRO-MECHANICAL GOVERNOR. 8L4908 Shut-Off parts
are shown on Page 267. Only separate parts serviced. When complete Group
is required order 2N4963 shown on Page 264. AN ATTACHMENT

2N-4963 SAFETY SHUT-OFF GROUP

2N4963 SAFETY SHUT-OFF GROUP--Oil Pressure and Water Temperature--Type 1
Serial No. 62B6728 to 62B10703 inclusive
8L4908 Shut-Off parts are shown on Page 267. AN ATTACHMENT

2N-4963 SAFETY SHUT-OFF GROUP

2N4963 SAFETY SHUT-OFF GROUP--Oil Pressure and Water Temperature--Type 2
Serial No. 62B6728 to 62B10703 inclusive
8L4908 Shut-Off parts are shown on Page 267. AN ATTACHMENT

4N-7635 SAFETY SHUT-OFF GROUP

4N7635 SAFETY SHUT-OFF GROUP--Oil Pressure and Water Temperature
Serial No. 62B10704-Up. CANNOT BE USED WITH EXPANSION TANK.
8L4908 Shut-off parts are shown on Page 267. AN ATTACHMENT

8L-4908 SHUT-OFF AS

8L4908 OIL PRESSURE SAFETY SHUT-OFF ASSEMBLY
Part of 2N4975, 2N4963 and 4N7635 Safety Shut-Off
Groups shown on Pages 263 through 266

SOLENOID GP

4M-1812 SWITCH AS-SOLENOID

4M1812 SOLENOID SWITCH ASSEMBLY
Part of 5L5353 Starting Motor Assembly shown on Pages 249 and 251

6N-5123 SWITCH AS-SOLENOID

6N5123 SOLENOID SWITCH ASSEMBLY--24 Volt
Part of 4N3350 Electric Starting Motor Group shown on Page 247B
AN ATTACHMENT

5L-8984 SOLENOID SHUT-OFF GROUP

5L8984 SOLENOID SHUT-OFF GROUP--24 Volt
Replaced by 3N584. FOR USE WITH HYDRO-MECHANICAL GOVERNOR. Also
part of 2N3889 and 2N1946 Arrangements listed on Pages 257 and 262
AN ATTACHMENT

STARTING GP-AUTOMATIC

AUTOMATIC START-STOP CHART

AUTOMATIC START-STOP CHART--Part 1 of 2

AUTOMATIC START-STOP CHART

AUTOMATIC START-STOP CHART--Part 2 of 2

2N-2400 AUTOMATIC START-STOP ARRANGEMENT

2N2400 AUTOMATIC START-STOP ARRANGEMENT--24 Volt
FOR USE WITH WOODWARD GOVERNOR. Only separate parts serviced
When complete Arrangement is required order 3N874. AN ATTACHMENT

3N-0874 AUTOMATIC START-STOP ARRANGEMENT

3N874 AUTOMATIC START-STOP ARRANGEMENT--24 Volt
FOR USE WITH WOODWARD GOVERNOR
AN ATTACHMENT

3N-7046 AUTOMATIC START-STOP ARRANGEMENT

3N7046 AUTOMATIC START-STOP ARRANGEMENT--24 Volt--Factory Installation
FOR USE WITH WOODWARD GOVERNOR
AN ATTACHMENT

3N-6419 AUTOMATIC START-STOP ARRANGEMENT

3N6419 AUTOMATIC START-STOP ARRANGEMENT--24 Volt
FOR USE WITH TOP MOUNTED CRANKING PANEL AND
STANDBY ELECTRIC SET. AN ATTACHMENT

2N-3889 AUTOMATIC START-STOP ARRANGEMENT

2N3889 AUTOMATIC START-STOP ARRANGEMENT--24 Volt
Only separate parts serviced. When complete Arrangement
is required order 3N873. AN ATTACHMENT

3N-0873 AUTOMATIC START-STOP ARRANGEMENT

3N873 AUTOMATIC START-STOP ARRANGEMENT--24 Volt
AN ATTACHMENT

STARTING AID GP

7S-4280 GLOW PLUG AND WIRING GROUP

7S4280 GLOW PLUG AND WIRING GROUP--24 Volt
Serial No. 62B6728 to 67B16208 inclusive

6N-2994 PLUG GP-GLOW

6N2994 GLOW PLUG GROUP--24 Volt
Serial No. 62B16209-Up

4L-6716 GLOW PLUG AND WIRING GROUP

4L6716 GLOW PLUG AND WIRING GROUP--24 Volt--Type 1
FOR USE WITH ELECTRIC STARTING
AN ATTACHMENT

4L-6716 GLOW PLUG AND WIRING GROUP

3N-6618 GLOW PLUG AND WIRING GROUP

3N6618 GLOW PLUG AND WIRING GROUP--24 Volt
Serial No. 62B6728 to 62B12326 inclusive
6L4407 Wiring parts are shown on Page 279. AN ATTACHMENT

3N-7712 GLOW PLUG MOUNTING GROUP

3N7712 GLOW PLUG MOUNTING GROUP--Type 2
Serial No. 62B12327-Up
6L4407 Wiring parts are shown on Page 279. AN ATTACHMENT

3N-7712 GLOW PLUG MOUNTING GROUP

3N7712 GLOW PLUG MOUNTING GROUP--24 or 32 Volt--Type 1
Serial No. 62B12327-Up
6L4407 Wiring parts are shown on Page 279. AN ATTACHMENT

3N-7680 PLUG GP-GLOW

3N7680 GLOW PLUG GROUP--32 Volt--3 Required
Serial No. 62B12327 to 62B16170 inclusive
FOR USE WITH 3N7712 MOUNTING GROUP SHOWN ON PAGE 278A

6N-1059 PLUG GP-GLOW

6N1059 GLOW PLUG GROUP--32 Volt--3 Required
Serial No. 62B16171-Up. FOR USE WITH 3N7712 MOUNTING GROUP SHOWN ON
PAGE 278A. AN ATTACHMENT

3N-7679 PLUG GP-GLOW

3N7679 GLOW PLUG GROUP--24 Volt--3 Required
Serial No. 62B12327 to 62B16170 inclusive. FOR USE WITH 3N7712 MOUNTING
GROUP SHOWN ON PAGE 278A. AN ATTACHMENT

6N-1058 PLUG GP-GLOW

6N1058 GLOW PLUG GROUP--24 Volt--3 Required
Serial No. 62B16171-Up. FOR USE WITH 3N7712 MOUNTING GROUP SHOWN
ON PAGE 278A. AN ATTACHMENT

4L-4984 KIT-STARTING AID

4L4984 ETHER STARTING AID GROUP
AN ATTACHMENT

STARTING MOTOR GP

1L-5010 AIR RECEIVER GP

1L5010 AIR RECEIVER GROUP
10.5 Cubic Foot Capacity
AN ATTACHMENT

4L-6149 ELECTRIC STARTING MOTOR GROUP

4L6149 ELECTRIC STARTING MOTOR GROUP--24 Volt--Type 1
5L5353 Motor parts are shown on Pages 248 through 251
AN ATTACHMENT

4L-6149 ELECTRIC STARTING MOTOR GROUP

4L6149 ELECTRIC STARTING MOTOR GROUP--24 Volt--Type 2
5L5353 Motor parts are shown on Pages 248 through 251
AN ATTACHMENT

4L-6149 ELECTRIC STARTING MOTOR GROUP

4L6149 ELECTRIC STARTING MOTOR GROUP--24 Volt--Type 3
4N3350 Motor parts are shown on Pages 247A and 247B
Note: Do not use with automatic Start-Stop Systems. AN ATTACHMENT

5L-4927 ELECTRIC STARTIN MOTOR GROUP

5L4927 ELECTRIC STARTIN MOTOR GROUP--24 Volt--Type 1
Part of 2N2400 and 2N3889 Start-Stop Arrangements listed on Pages 255 and 257
5L4928 and 8L5938 Motors and 7M4291 Switch parts are shown on Pages 252, 253 and
254. AN ATTACHMENT

5L-4927 ELECTRIC STARTING MOTOR GROUP

5L4927 ELECTRIC STARTING MOTOR GROUP--24 Volt--Type 2
Part of 2N2400 and 2N3889 Start-Stop Arrangements listed on Pages 255 and 257
5L4928 and 8L5938 Motor parts are shown on Pages 252 & 253. AN ATTACHMENT

3N-0746 ELECTRIC STARTING MOTOR GROUP

3N746 ELECTRIC STARTING MOTOR GROUP--24 Volt
FOR USE WITH ELECTRIC WOODWARD GOVERNOR. Also part of 3N874, 3N7046,
3N6419 and 3N873 Start-Stop Arrangements listed on Pages 255, 256 and 257. 5L5353
Motor parts are shown on Pages 248 through 251. Refer to Chart listed on Page 254B
for usage. AN ATTACHMENT

4N-3350 MOTOR GP-ELECTRIC STARTING

4N3350 ELECTRIC STARTING MOTOR GROUP--Basic--Part 1 of 2
Part of 4L6149 Electric Starting Motor Group shown on Page 246A
Note: Do not use with automatic Start-Stop Systems. AN ATTACHMENT

4N-3350 MOTOR GP-ELECTRIC STARTING

4N3350 ELECTRIC STARTING MOTOR GROUP--Basic--Part 2 of 2
Part of 4L6149 Electric Starting Motor Group shown on Page 246A
6N5123 Switch parts are shown on Page 254A. AN ATTACHMENT

5L-5353 STARTING MOTOR AS

5L5353 STARTING MOTOR ASSEMBLY--Part 1 of 2--Type 1
Part of 4L6149 and 3N746 Electric Starting Motor Groups shown on Pages 245, 246 and 247

5L-5353 STARTING MOTOR AS

5L5353 STARTING MOTOR ASSEMBLY--Part 2 of 2--Type 1
Part of 4L6149 and 3N746 Electric Starting Motor Groups shown on Pages 245, 246 and 247
4M1812 Switch parts are shown on Page 254

5L-5353 STARTING MOTOR AS

5L5353 STARTING MOTOR ASSEMBLY--Part 1 of 2--Type 2
Part of 4L6149 and 3N746 Electric Starting Motor Groups shown on Pages 245, 246 and 247

5L-5353 STARTING MOTOR AS

5L5353 STARTING MOTOR ASSEMBLY--Part 2 of 2--Type 2
Part of 4L6149 and 3N746 Electric Starting Motor Groups shown on Pages 245 through 247
4M1812 Switch parts are shown on Page 254

5L-4928 STARTING MOTOR ASSEMBLY

5L4928 STARTING MOTOR ASSEMBLY
Part of 5L4927 Electric Starting Motor Group shown on Page 247
Only separate parts serviced. When complete Assembly is required order 8L5938

8L-5938 STARTING MOTOR ASSEMBLY

8L5938 STARTING MOTOR ASSEMBLY
Part of 5L4927 Electric Starting Motor Group shown on Page 247

3L-9921 WHISTLE VALVE ASSEMBLY

3L9921 WHISTLE VALVE ASSEMBLY
Part of 7L8249 Air Starting Motor shown on Page 288

7L-8249 AIR STARTING MOTOR GROUP

7L8249 AIR STARTING MOTOR GROUP--18 H.P.
3L9921 Valve and 7L8424 Motor parts are shown on Pages 287, 290 and 291
AN ATTACHMENT

4N-6509 AIR STARTING MOTOR GROUP

4N6509 AIR STARTING MOTOR GROUP--Type 1
4N4368 Motor parts are shown on Page 292. AN ATTACHMENT

4N-6509 AIR STARTING MOTOR GROUP

4N6509 AIR STARTING MOTOR GROUP--Type 2
6N6608 Air Motor parts are shown on Page 289B
AN ATTACHMENT

6N-6608 AIR STARTING MOTOR GROUP

6N6608 AIR STARTING MOTOR GROUP
Part of 4N6509 Air Starting Motor Group shown on Page 289A
AN ATTACHMENT

7L-8424 AIR STARTING MOTOR ASSEMBLY

7L8424 AIR STARTING MOTOR ASSEMBLY--Type 1
Part of 7L8249 Air Starting Motor Group shown on Page 288

7L-8424 AIR STARTING MOTOR ASSEMBLY

7L8424 AIR STARTING MOTOR ASSEMBLY--Type 2--Replaced by 6N9593 listed on Page 291A
Part of 7L8249 Air Starting Motor Group shown on Page 288

6N-9593 AIR STARTING MOTOR GROUP

6N9593 AIR STARTING MOTOR GROUP--Field Installation

6N-9550 AIR STARTING MOTOR GROUP

6N9550 AIR STARTING MOTOR GROUP
Part of 6N9533 Air Starting Motor Group shown on Page 291A

4N-4368 AIR MOTOR GROUP

4N4368 AIR MOTOR GROUP
Part of 4N6509 Air Starting Motor Group shown on Page 289

3N-2338 AIR STARTING CONTROL GROUP

3N2338 AIR STARTING CONTROL GROUP
AN ATTACHMENT

1L-5011 VALVE GP-STARTING AIR

1L5011 REGULATING AND PRESSURE REDUCING VALVE GROUP
AN ATTACHMENT

HYDRAULIC STARTING SYSTEM

6L-4035 HARDWARE GROUP

6L4035 HARDWARE GROUP
Part of Hydraulic Starting System. Only separate parts serviced
When complete Group is required order 3N7120 listed on Page 296. AN ATTACHMENT

3N-7120 EQUIPMENT GROUP

3N7120 EQUIPMENT GROUP
For mounting and connecting hydraulic starting system components
Part of Hydraulic Starting System listed on Page 294. AN ATTACHMENT

SWITCH GP

4M-1812 SWITCH AS-SOLENOID

4M1812 SOLENOID SWITCH ASSEMBLY
Part of 5L5353 Starting Motor Assembly shown on Pages 249 and 251

7M-4291 MAGNETIC SWITCH ASSEMBLY

7M4291 MAGNETIC SWITCH ASSEMBLY
Part of 5L4927 Electric Starting Motor Group shown on Page 246B

6N-5123 SWITCH AS-SOLENOID

6N5123 SOLENOID SWITCH ASSEMBLY--24 Volt
Part of 4N3350 Electric Starting Motor Group shown on Page 247B
AN ATTACHMENT

TANK GP-AIR

1L-5010 AIR RECEIVER GP

1L5010 AIR RECEIVER GROUP
10.5 Cubic Foot Capacity
AN ATTACHMENT

WIRING GP

8L-4849 WIRING GP

8L4849 WIRING GROUP
FOR USE WITH ELECTRIC WOODWARD GOVERNOR. Also part of all Start-Stop
Arrangements listed on Pages 255, 256 and 257. Refer to Chart listed on Pages 254B
and 254C for usage. AN ATTACHMENT

3N-5600 WIRING HARNESS ASSEMBLY

3N5600 WIRING HARNESS ASSEMBLY--Type 1
FOR USE WITH ELECTRIC WOODWARD GOVERNOR. Also part of 3N7046 and 3N6419 Start-Stop
Arrangements listed on Page 256. Refer to Chart listed on Pages 254B and 254C for usage
AN ATTACHMENT

3N-5600 WIRING HARNESS ASSEMBLY

3N5600 WIRING HARNESS ASSEMBLY--Type 2
FOR USE WITH ELECTRIC WOODWARD GOVERNOR. Also part of 3N7046 and 3N6419 Arrangements listed
on Page 256. Refer to Automatic Start-Stop Chart listed on Page 254C for usage. AN ATTACHMENT

3N-5600 WIRING HARNESS ASSEMBLY

3N5600 WIRING HARNESS ASSEMBLY--Type 3
FOR USE WITH ELECTRIC WOODWARD GOVERNOR. Also part of 3N7046 and 3N6419 Start-Stop Arrangements listed
on Page 256. Refer to Automatic Start-Stop Chart listed on Page 254C for usage. AN ATTACHMENT

3N-5600 WIRING HARNESS ASSEMBLY

3N5600 WIRING HARNESS ASSEMBLY--Type 4
FOR USE WITH ELECTRIC WOODWARD GOVERNOR
Also part of 3N7046 and 3N6419 Start-Stop Arrangements listed on Page 256
Refer to Automatic Start-Stop Chart listed on Page 254C for usage. AN ATTACHMENT

3N-5600 WIRING HARNESS ASSEMBLY

3N5600 WIRING HARNESS ASSEMBLY--Type 5
FOR USE WITH ELECTRIC WOODWARD GOVERNOR
Also part of 3N7046 and 3N6419 Start-Stop Arrangements listed on Page 256
Refer to Automatic Start-Stop Chart listed on Page 254C for usage. AN ATTACHMENT

6L-4407 WIRING GP-PLUG

6L4407 WIRING GROUP
Part of 4L6716 and 3N6618 Glow Plug and Wiring Groups shown on Pages 277 & 278

2L-9808 WIRING GP

2L9808 WIRING KIT GROUP
Part of 2N8804 and 3N7719 Alternator Groups shown on Pages 285, 285C & 285D

HEATER GP

JACKET WATER HEATERS AND MOUNTING

3N-6726 JACKET WATER HEATER MOUNTING GROUP

3N6726 JACKET WATER HEATER MOUNTING GROUP--Type 1
Part of Jacket Water Heaters and Mounting
AN ATTACHMENT

3N-6726 JACKET WATER HEATER MOUNTING GROUP

3N6726 JACKET WATER HEATER MOUNTING GROUP--Type 2
Part of Jacket Water Heaters and Mounting
AN ATTACHMENT

3N-6726 JACKET WATER HEATER MOUNTING GROUP

3N6726 JACKET WATER HEATER MOUNTING GROUP--Type 3
Part of Jacket Water Heater and Mounting listed on Page 122
AN ATTACHMENT

Information:

(For parts list, see above)

ELECTRICAL AND STARTING SYSTEM

ALARM GP

Service Magazine

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
1981/09/21

ALTERNATOR GP-CHARGING

Engine News

New Regulator And Field Coil Assemblies Used
1981/11/25

FT1808 Cable Permits Easier Use Of 6V2100 Multitach To Check Engine Or Alternator RPM
1984/01/18

Identification Of External Terminals On Alternators
1987/04/01

Remanufactured Heavy-Duty Starters And High-Amp Alternators
1987/06/01

8T5314 Socket Adapter Available To Correctly Install Alternator Pulley Nut
1988/01/01

Repair Parts Available for Alternator R-Terminal {1405}
2000/12/01

Harness Repair of Alternator R-Terminal Connector {1405}
2000/12/01

Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}

Special Instruction

Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}

Charging System Troubleshooting {1406}
Charging System Troubleshooting {1406}

Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure for Replacing Regulator Kit on All Engines {1405}

Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}

Specifications

Alternator
26SI Series Alternator

Alternator
30SI Series and 34SI Series Alternator

Systems Operation

General Information
26SI Series Alternator

Component Description
26SI Series Alternator

Normal Operation
26SI Series Alternator

General Information
30SI Series and 34SI Series Alternator

Normal Operation
30SI Series and 34SI Series Alternator

Component Description
30SI Series and 34SI Series Alternator

Testing and Adjusting

T1 Alternator Output - Test
26SI Series Alternator

T2 Electrical System Current - Test
26SI Series Alternator

T3 Charging System - Test
26SI Series Alternator

T4 Alternator Drive System - Check
26SI Series Alternator

T5 Alternator Current - Test
26SI Series Alternator

T6 Residual Magnetism Restoration
26SI Series Alternator

T7 Identifying Source of Current Draw - Test
26SI Series Alternator

T8 Alternator Overcharging - Test
26SI Series Alternator

Initial Troubleshooting Procedure
26SI Series Alternator

General Information
26SI Series Alternator

Component - Test
26SI Series Alternator

T1 Alternator Output - Test
30SI Series and 34SI Series Alternator

T2 Electrical System Current - Test
30SI Series and 34SI Series Alternator

T3 Charging System - Test
30SI Series and 34SI Series Alternator

T4 Alternator Drive System - Check
30SI Series and 34SI Series Alternator

T5 Alternator Current - Test
30SI Series and 34SI Series Alternator

T6 Residual Magnetism Restoration
30SI Series and 34SI Series Alternator

T7 Identifying Source of Current Draw - Test
30SI Series and 34SI Series Alternator

T8 Alternator Overcharging - Test
30SI Series and 34SI Series Alternator

General Information
30SI Series and 34SI Series Alternator

Initial Troubleshooting Procedure
30SI Series and 34SI Series Alternator

Component - Test
30SI Series and 34SI Series Alternator

Disassembly and Assembly

Alternator - Assemble
26SI Series Alternator

Alternator - Disassemble
26SI Series Alternator

Alternator - Disassemble
30SI Series and 34SI Series Alternator

Alternator - Assemble
30SI Series and 34SI Series Alternator

Service Magazine

New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23

Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01

Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Check Alternator Output Connection Prior To Machine Delivery{1405}
1987/05/18

Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25

Correct Torque Value For Alternator Drive Pulley Retaining Nut Is Important{1405}
1987/11/23

8T5314 Socket Adapter Available To Correctly Install Alternator Pulley Nut {0601}
1988/01/25

New 35-Ampere Alternator Used On Some Engines In Caterpillar Equipment{1405,1406}
1979/08/13

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

Repair Parts Available for Alternator R-Terminal {1405}
2000/10/02

Harness Repair of Alternator R-Terminal Connector {1405, 1408, 7553}
2000/10/02

Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}

BATTERY GP

Engine News

Heavy-Duty Line Of Batteries Available To U.S. Dealers
1986/09/01

5P957 And 5P3514 Coolant And Battery Tester
1987/04/01

Be Sure Battery Cable To Starter Connection Has Correct Torque
1988/03/01

Safety Vent Caps For Caterpillar Batteries
1977/07/13

Special Instruction

Installation of 7W2743 Speed Switch Assembly{7427}
Installation of 7W2743 Speed Switch Assembly{7427}

Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Use Of 6V3025 Battery Cable Repair Kit{0613, 1400}
Use Of 6V3025 Battery Cable Repair Kit{0613, 1400}

Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}

Battery Test Procedure {1401}
Battery Test Procedure {1401}

Service Letter-NACD

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Tool Operating Manual

M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}
M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}

Service Letter-China

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Asia

Service Letter-APD

Service Magazine

Maintenance Free Batteries{1401}
1986/03/10

Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07

Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01

Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Testing The Starter On The Engine{1401,1450}
1987/05/04

Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14

Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29

New 35-Ampere Alternator Used On Some Engines In Caterpillar Equipment{1405,1406}
1979/08/13

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05

Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26

High Performance Maintenance Free Battery Available{1401}
1989/01/16

Limitations On Engine Cranking Time{1453,1401}
1989/03/27

Preventive Maintenance For Batteries{1401}
1989/03/27

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01

Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01

Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19

Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group{1416}
1990/12/10

BOX GP

Special Instruction

Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}
Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}

CIRCUIT BREAKER GP

Procedure for Replacing the Circuit Breaker Group on Certain Generator Sets{1420, 4461}
Procedure for Replacing the Circuit Breaker Group on Certain Generator Sets{1420, 4461}

CONTACTOR GP

Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}
Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}

CONTROL GP-ELECTRONIC

Installation Procedure on Installing the Oil & Gas Asset IQTM System on All Caterpillar and Non-Caterpillar Diesel, Natural Gas, and Dynamic Gas Blending Engines {1000, 1408, 7620, 7960}
Installation Procedure on Installing the Oil & Gas Asset IQ^TM System on All Caterpillar and Non-Caterpillar Diesel, Natural Gas, and Dynamic Gas Blending Engines {1000, 1408, 7620, 7960}

Service Magazine

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}
Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}

ELECTRONICS GP-ENGINE

Engine News

Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01

New Service Information Tool for CAT Dealers is Now Available {1000}
2002/06/01

A New Electronic Control Module Wash Out Process {1901, 1920}
A New Electronic Control Module Wash Out Process {1901, 1920}

New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}
New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}

Special Instruction

"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}

Governor Linkage Adjustments{1264, 1289}
Governor Linkage Adjustments{1264, 1289}

Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}

Instructions for Communicating With and Flashing the 10R-4085 Engine Electronic Control Gp and the 10R-1824 Engine Electronic Control Gp {1901, 1920}
Instructions for Communicating With and Flashing the 10R-4085 Engine Electronic Control Gp and the 10R-1824 Engine Electronic Control Gp {1901, 1920}

Diagnostic Code Information for Caterpillar ® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}
Diagnostic Code Information for Caterpillar ^® Electronic Control {1901, 1927, 1948, 3168, 4348, 4802, 4808, 4810, 5511, 5701, 7490, 7494, 7601, 7602, 7610, 7610, 7610}

Procedure to Flash the ADEM 3 Engine Electronic Control Gp {1901, 1920}
Procedure to Flash the ADEM 3 Engine Electronic Control Gp {1901, 1920}

Procedure to Install Fluid Property Sensor on All Caterpillar® and Non-Caterpillar Diesel Engines {1348, 1403, 1439}
Procedure to Install Fluid Property Sensor on All Caterpillar^® and Non-Caterpillar Diesel Engines {1348, 1403, 1439}

Information Release Memo

APPEARANCE CHANGE ON REMAN SHORT BLOCKS
APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Service Magazine

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

New Machine Software for Cat® Product Link Is Now Available on Certain Cat® Products {7490, 7606, 7610, 7620}
New Machine Software for Cat^® Product Link Is Now Available on Certain Cat^® Products {7490, 7606, 7610, 7620}

ELECTRONICS GP-POWER TRAIN

Special Instruction

Service Magazine

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

ELECTRONICS GP-IMPLEMENT

Special Instruction

Service Magazine

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

ELECTRONICS GP-MACHINE

Engine News

New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}
New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}

Special Instruction

Service Magazine

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

CONTROL GP-VOLTAGE

Special Instruction

Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}

Service Magazine

New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23

Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01

ELECTRICAL GP

Special Instruction

Installation of 7W2743 Speed Switch Assembly{7427}
Installation of 7W2743 Speed Switch Assembly{7427}

Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Operation And Maintenance Of 1P3060 Pyrometer Group{0776}
Operation And Maintenance Of 1P3060 Pyrometer Group{0776}

Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}

Service Letter-NACD

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Service Letter-China

Service Letter-Asia

Service Letter-APD

Service Magazine

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
1981/09/21

Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28

Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29

Maintenance Free Batteries{1401}
1986/03/10

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07

Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01

Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10

Check For Dirt Before Replacing Pyrometer Switch{1050,7466}
1986/12/15

Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11

12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors{1407}
1987/02/16

Polarity Connections And Use Of Service Meter Films When Service Meter Kits Are Installed{7480,7000}
1987/02/16

Check For Plugged Orifices In Mechanical Pressure Gauges{7450}
1987/03/02

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Testing The Starter On The Engine{1401,1450}
1987/05/04

Improved Start Switch Used{1416}
1987/05/25

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

9G7641 Start Switch Is Improved{1416,1400}
1988/05/16

Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05

More Potting Material Now Used In 6N5906 Electric Service Meter{7480}
1979/11/26

Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26

High Performance Maintenance Free Battery Available{1401}
1989/01/16

Limitations On Engine Cranking Time{1453,1401}
1989/03/27

How To Troubleshoot A Short-To-Ground In Power Wiring{1400}
1989/03/27

Preventive Maintenance For Batteries{1401}
1989/03/27

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01

Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01

Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19

Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group{1416}
1990/12/10

ELECTRONICS GP

Special Instruction

Cat® VIMS Converter Functionality {7610, 7620}
Cat^® VIMS Converter Functionality {7610, 7620}

Service Magazine

"Maintenance Mode" in Product Link is Used to Prevent Codes From Being Transmitted When Performing Service to a Machine or Engine {7606}
2014/11/24

New Software Is Now Available for Cat® Product Link {7606, 7610, 7620}
New Software Is Now Available for Cat^® Product Link {7606, 7610, 7620}

Event Identification Number (EID) Above 60000 is Now Used on All Cat® Products {1400}
Event Identification Number (EID) Above 60000 is Now Used on All Cat^® Products {1400}

GLOW PLUG GP

Engine News

Determining The Cause Of Glow Plug Tip Failures
1986/06/01

Service Magazine

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

IGNITION GP

Engine News

Explanation Of Differences In Timing Advance Information
1981/08/26

Service Magazine

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

INDICATOR GP

Engine News

New Engine Timing Indicator Group Available
1986/07/01

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups
1987/03/01

Service Magazine

Service Information For Easier Use Of The 6V3100 Timing Indicator Group{0651,1250,1156,1157}
1982/10/11

Use Caterpillar 6V50 Engine Timing Indicator For Accurate Readings{0782,0785,0775}
1985/05/27

Check 5P7435 Tee Adapter Groups In The 6V3100 Engine Timing Indicator Groups{0782}
1985/06/03

New Engine Timing Indicator Group Available {0781,0782}
1986/07/07

Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16

LIGHTING GP

Special Instruction

Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}

Service Magazine

Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28

Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29

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

Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14

Cranking Speeds Necessary To Start Diesel Engines{0374,1000,1450}
1979/09/24

MISCELLANEOUS INFORMATION

Engine News

Explanation Of Differences In Timing Advance Information
1981/08/26

Heavy-Duty Line Of Batteries Available To U.S. Dealers
1986/09/01

"Ugly's Electrical-References" SEBD0983, Now Available
1990/06/01

Safety Vent Caps For Caterpillar Batteries
1977/07/13

Special Instruction

Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}
Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}

Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}

Service Letter-NACD

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Service Letter-China

Service Letter-Asia

Service Letter-APD

Service Magazine

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
1981/09/21

New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23

Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28

Use Caterpillar 6V50 Engine Timing Indicator For Accurate Readings{0782,0785,0775}
1985/05/27

Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

Maintenance Free Batteries{1401}
1986/03/10

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07

Three Element Speed Switch Replaces Dual Element Speed Switch{7418,7411,7410,7421}
1986/04/21

Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01

Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10

Check For Dirt Before Replacing Pyrometer Switch{1050,7466}
1986/12/15

Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23

Use Improved Heat Start Switch{1416}
1987/04/20

Products Equipped With Diagnostic Connectors Require Less Time For Electrical Troubleshooting{1400}
1987/05/04

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Testing The Starter On The Engine{1401,1450}
1987/05/04

Check Alternator Output Connection Prior To Machine Delivery{1405}
1987/05/18

Improved Start Switch Used{1416}
1987/05/25

Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25

Correct Torque Value For Alternator Drive Pulley Retaining Nut Is Important{1405}
1987/11/23

9G7641 Start Switch Is Improved{1416,1400}
1988/05/16

Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20

New Oil Pressure Sender Assembly Used{7455}
1988/11/07

Improved Pressure Gauge Sender Used{7450,7485}
1988/11/21

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

New 35-Ampere Alternator Used On Some Engines In Caterpillar Equipment{1405,1406}
1979/08/13

Cranking Speeds Necessary To Start Diesel Engines{0374,1000,1450}
1979/09/24

Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05

Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

High Performance Maintenance Free Battery Available{1401}
1989/01/16

Limitations On Engine Cranking Time{1453,1401}
1989/03/27

How To Troubleshoot A Short-To-Ground In Power Wiring{1400}
1989/03/27

Preventive Maintenance For Batteries{1401}
1989/03/27

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01

Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19

Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group{1416}
1990/12/10

MOTOR GP

Special Instruction

Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}

Service Magazine

Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28

REGULATOR GP-VOLTAGE

Special Instruction

Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}

Service Magazine

New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23

Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

SENDER GP

Engine News

New Oil Pressure Sender Assembly Used
1988/11/01

Improved Pressure Gauge Sender Used
1988/12/01

Special Instruction

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Service Magazine

New Oil Pressure Sender Assembly Used{7455}
1988/11/07

Improved Pressure Gauge Sender Used{7450,7485}
1988/11/21

SENSOR GP

Engine News

New Oil Pressure Sender Assembly Used
1988/11/01

Improved Pressure Gauge Sender Used
1988/12/01

Special Instruction

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Procedure to Install an Aftertreatment (Mechanical) Kit on All Caterpillar® Diesel Engines {108D, 108U, 1408, 1907, 1921, 1923, 7553}
Procedure to Install an Aftertreatment (Mechanical) Kit on All Caterpillar^® Diesel Engines {108D, 108U, 1408, 1907, 1921, 1923, 7553}

Tool Operating Manual

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Service Magazine

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

New Oil Pressure Sender Assembly Used{7455}
1988/11/07

Improved Pressure Gauge Sender Used{7450,7485}
1988/11/21

SHUTOFF GP

Engine News

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13

Special Instruction

Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}

Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}
Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}

Service Magazine

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
1981/09/21

Three Element Speed Switch Replaces Dual Element Speed Switch{7418,7411,7410,7421}
1986/04/21

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

SOLENOID GP

Engine News

12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors
1987/02/01

Adjust Bosch Solenoid If Replaced Or Reinstalled
1988/01/01

Magnetic Switches (Starter Relays) Improved
1988/03/01

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13

Special Instruction

Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}

Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}
Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}

Service Magazine

Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors{1407}
1987/02/16

Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

SOLENOID GP-SHUTOFF

Special Instruction

Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}
Installation Of 2N2384 And 2N2385 Solenoids{1259, 1400}

Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}
Installation of 5L8984, 3N584 and 8N1571 Solenoid Shutoff Groups{1259}

Service Magazine

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
1981/09/21

Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures{1259}
1977/08/08

STARTING AID GP

Engine News

Determining The Cause Of Glow Plug Tip Failures
1986/06/01

Service Magazine

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

STARTING AR

Special Instruction

Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}

Service Magazine

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

Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14

Cranking Speeds Necessary To Start Diesel Engines{0374,1000,1450}
1979/09/24

STARTING MOTOR GP

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

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

Improved Remanufactured Electric Starting Motors are Now Available {1453}
2003/11/01

Special Instruction

Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}

Caterpillar PRELUB® Diagnostics{1469}
Caterpillar PRELUB^® Diagnostics{1469}

Solenoid (Starting Motor) − 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® 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® 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® Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat^® Products {1453}

Specifications

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

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

SWITCH GP

Engine News

New Dual Speed Switch Is Now Available
1981/10/21

Three Element Speed Switch Replaces Dual Element Speed Switch
1986/05/01

Check For Dirt Before Replacing Pyrometer Switch
1987/01/01

Magnetic Switches (Starter Relays) Improved
1988/03/01

Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group
1990/12/01

Special Instruction

Installation of 7W2743 Speed Switch Assembly{7427}
Installation of 7W2743 Speed Switch Assembly{7427}

Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}

Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}

Service Letter-NACD

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Service Letter-China

Service Letter-Asia

Service Letter-APD

Service Magazine

New Dual Speed Switch Is Now Available{7418,7410,7411,1400}
1981/09/21

Maintenance Free Batteries{1401}
1986/03/10

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07

Three Element Speed Switch Replaces Dual Element Speed Switch{7418,7411,7410,7421}
1986/04/21

Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01

Check For Dirt Before Replacing Pyrometer Switch{1050,7466}
1986/12/15

Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Use Improved Heat Start Switch{1416}
1987/04/20

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Testing The Starter On The Engine{1401,1450}
1987/05/04

Improved Start Switch Used{1416}
1987/05/25

Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14

9G7641 Start Switch Is Improved{1416,1400}
1988/05/16

Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05

Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26

High Performance Maintenance Free Battery Available{1401}
1989/01/16

Limitations On Engine Cranking Time{1453,1401}
1989/03/27

Preventive Maintenance For Batteries{1401}
1989/03/27

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01

Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01

Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19

Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group{1416}
1990/12/10

TOOLS

Engine News

New Address For Repair Of Diagnostic Tools
1982/06/16

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator
1982/08/25

5P957 And 5P3514 Coolant And Battery Tester
1987/04/01

Two New Self-Powered Digital Tachometers And Signal Generator Available
1987/05/01

Caterpillar Electronic Technician (Cat ET) 2001B-Service Pack 1 Software Upgrade is Now Available {0785}
2002/02/01

2002A Service Pack 1 for Caterpillar Electronic Technician (Cat ET) is now available {0785}
2002/08/01

Special Instruction

Using The 6V4060 Engine Set Point Indicator Group{0781}
Using The 6V4060 Engine Set Point Indicator Group{0781}

Use of 8T5200 Signal Generator/Counter Group{0778, 0783, 0785}
Use of 8T5200 Signal Generator/Counter Group{0778, 0783, 0785}

Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}

Tool Operating Manual

NEHS1032: 538-5051 Communications Adapter 3 {0599, 0709, 1900, 4800, 7490, 7600}
NEHS1032: 538-5051 Communications Adapter 3 {0599, 0709, 1900, 4800, 7490, 7600}

NEHS1270 TesLite and LoadProCables {0374, 0599, 0709, 0734}
NEHS1270 TesLite and LoadProCables {0374, 0599, 0709, 0734}

Troubleshooting

Service Tools
37-MT, 41-MT, and 42-MT Series Starting Motors

Service Tools
Starting Motor - Delco 50-MT

Service Magazine

New Address For Repair Of Diagnostic Tools{0650}
1982/06/14

6V6124 Calibration Coil Available To Calibrate And Check 6V4910 AC/DC Clamp-On Ammeter{0651}
1982/06/28

Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator{0651}
1982/08/16

Use Caterpillar 6V50 Engine Timing Indicator For Accurate Readings{0782,0785,0775}
1985/05/27

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Two New Self-Powered Digital Tachometers And Signal Generator Available {7462}
1987/05/11

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

Diagnostic Cables and Harnesses Are Available {0785}
2014/08/11

A New Communication Adapter Cable As Is Now Available For Certain Cat Products {0785}
A New Communication Adapter Cable As Is Now Available For Certain Cat Products {0785}

VALVE GP

Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04

WIRING GP

Engine News

FT1808 Cable Permits Easier Use Of 6V2100 Multitach To Check Engine Or Alternator RPM
1984/01/18

Be Sure Battery Cable To Starter Connection Has Correct Torque
1988/03/01

Correction to The Pocket Guide, SEBD0402 Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/11/01

Special Instruction

Installation of 7W2743 Speed Switch Assembly{7427}
Installation of 7W2743 Speed Switch Assembly{7427}

Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}

Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}

Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}

Repair Procedure for Damaged Harness Wiring {1408}
Repair Procedure for Damaged Harness Wiring {1408}

Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}
Procedure to Properly Tighten the Nuts on the Solenoid Studs on Electronic Unit Injectors (EUI){1290, 1408, 1900}

Service Letter-NACD

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Service Letter-Truck/Ag/Marine

Tool Operating Manual

Service Letter-China

Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock

Service Letter-Asia

Service Letter-APD

Service Magazine

Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29

Maintenance Free Batteries{1401}
1986/03/10

New Oil Pressure Switch Used With EMS Systems{7485}
1986/03/10

Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01

Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

Testing The Starter On The Engine{1401,1450}
1987/05/04

Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14

Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20

Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12

Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29

Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22

Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05

Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26

High Performance Maintenance Free Battery Available{1401}
1989/01/16

Limitations On Engine Cranking Time{1453,1401}
1989/03/27

How To Troubleshoot A Short-To-Ground In Power Wiring{1400}
1989/03/27

Preventive Maintenance For Batteries{1401}
1989/03/27

Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24

Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01

Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01

Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19

Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group{1416}
1990/12/10

Correction to The Pocket Guide, SEBD0402, Is Available as a Reference for Routing and Installing Wire Harness Assemblies {1408}
2000/06/26

Harness Repair of Alternator R-Terminal Connector {1405, 1408, 7553}
2000/10/02

Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2000/10/09

CONNECTION GP

Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553}
Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553}

RELAY GP

Engine News

Magnetic Switches (Starter Relays) Improved
1988/03/01

Service Magazine

Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14

ELECTRONICS GP-MONITOR

Engine News

New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}
New CAT Inspect Form Available for EMCP Troubleshooting and Inspection {0374, 4490, 7451, 7620}

Special Instruction

Diesel Particulate Filter Monitoring System {108F, 7490}
Diesel Particulate Filter Monitoring System {108F, 7490}

Installation of the Fuel Consumption Monitoring System for All Commercial Diesel Engines {1250, 1400, 1900, 7490}
Installation of the Fuel Consumption Monitoring System for All Commercial Diesel Engines {1250, 1400, 1900, 7490}

Instructions for Installing AssetIQTM for Engine Systems on Caterpillar and non-Caterpillar Products {7490}
Instructions for Installing AssetIQ^TM for Engine Systems on Caterpillar and non-Caterpillar Products {7490}

Cat® VIMS Converter Functionality {7610, 7620}
Cat^® VIMS Converter Functionality {7610, 7620}

Service Magazine

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

New Inspection and Repair Procedure Is Now Available for Cat® Products Located in India Equipped with Product Link {7606}
2014/09/22

New Software Is Now Available for All Cat® Products With PL522 China System {7606, 7620}
2015/03/04

New Troubleshooting Procedure Is Now Available for all Cat® Products Equipped with PL321 VIMS (PL321 VSR) {7606}
2015/05/12

New Software Is Now Available for Cat® Product Link {7606, 7610, 7620}
New Software Is Now Available for Cat^® Product Link {7606, 7610, 7620}

HEATER GP

Engine News

Fuel Heaters Are Now Available For Field Installation
1980/01/09

Horizontally Mounted Jacket Water Heater Now Used
1987/05/01

A New Thermostat for the Jacket Water Heater {1383}
2006/09/11

Service Magazine

Fuel Heaters Are Now Available For Field Installation {1296}
1980/01/07

How To Identify Failures To Electric Jacket Water Heaters{1383}
1988/04/18

General Information -- Diesel Fuels In Cold Temperature Operation{1280}
1979/12/17

ELECTRONICS GP-WORK TOOL

Special Instruction

Service Magazine

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

ELECTRONICS GP-COMMUNICATION

Engine News

A New Electronic Control Module Wash Out Process {1901, 1920}
A New Electronic Control Module Wash Out Process {1901, 1920}

Special Instruction

Installation Instructions For Product Link 101 Inline Timer{7602}
Installation Instructions For Product Link 101 Inline Timer{7602}

Service Magazine

New Flash File Software Is Used for Product Link 151/201 {7606, 7620}
2002/07/15

Improved VisionLink And VisionLink Store Software Are Now Available for All Caterpillar Products {7606, 7620}
2015/07/14

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

New Software Is Now Available for All Cat® Products With The Product Link PL421 or Product Link PL420 System {7606, 7620}
2014/12/10

New Software for Product Link PL522 Module Is Now Available for All Cat® Products {7606}
2014/08/08

Loss of Daily Reports May Be an Indicator of End of Life for the Product Link® ECM on PL321SR and PL321VSR Systems {7606}
2014/06/24

Capturing Engine Stop Messages and Idle Information on All Caterpillar Products Equipped with Product Link 522 {7606}
2014/07/25

Service Meter Adjustment Is Now Available in VisionLinkTM {7478, 7606}
2014/08/20

New Inspection and Repair Procedure Is Now Available for Cat® Products Located in India Equipped with Product Link {7606}
2014/09/22

"Maintenance Mode" in Product Link is Used to Prevent Codes From Being Transmitted When Performing Service to a Machine or Engine {7606}
2014/11/24

Revision to "Reports and Messages Not Available" Troubleshooting Procedure for Cat® Products with Cat® Product Link 121/321 {7606}
2014/12/24

Event Codes (E2131, E2132, or E2133) Appearing Occasionally with On-board Machine Systems with a PL321, or PL121 Satellite System Installed {7600, 7606}
2015/01/06

Procedure to Improve Reporting into VisionLink after Re-Registration of Product Link Systems PL121/321 {7606}
2015/03/17

New Software Is Now Available for All Cat® Products With PL522 China System {7606, 7620}
2015/03/04

New Software for Product Link PL522 Module Is Now Available for All Cat® Products {7606, 7620}
2015/06/26

New Troubleshooting Procedure Is Now Available for all Cat® Products Equipped with PL321 VIMS (PL321 VSR) {7606}
2015/05/12

New Product Link Software for PL300 Is Now Available for All Cat® Products {7606, 7620}
2015/09/11

ELECTRONICS GP-GENERATOR SET

Special Instruction

Service Magazine

Updated Flash Procedure for All Caterpillar Products {1920, 7610, 7620}
2014/09/16

METER GP-SERVICE

Service Meter Adjustment Is Now Available in VisionLinkTM {7478, 7606}
2014/08/20

HARNESS GP

Special Instruction

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}

Tool Operating Manual

Service Magazine

Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04

Truck sale:

Call

1999 CAT D343

REICAL

USD $9,850

CAT D343

Elite Equipment Pros, LLC
Parker, Colorado 80138

Call

CAT D343

JW Bell LLC