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7N1247 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP Serial No. 38S854, 858, 861, 863, 864, 878, 886, 888, 889, 893, 897, 900 and 38S936-Up For Precombustion Chambered Turbocharged Aftercooled Engine 4N1101, 7N1246 Pump, 4N1894 Governor and 2S9519 Rack Stop parts are shown on Pages 225, 227A, 227B, 238 through 243 and 249 3412


FUEL SYSTEM
GOVERNOR GP

ENGINE - MACHINE 3412 ENGINE - MACHINE 38S
 3412 INDUSTRIAL ENGINE 38S00001-13235 SEBP1101 3412 38S   (2018)

FUEL SYSTEM

GOVERNOR GP
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-8239 PUMP GP-GOV,FUEL INJ,FUEL TFR
GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
6N-1901 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
7N-1247 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-8233 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
8N-8970 PUMP GP-GOV,FUEL INJ,FUEL TFR
GOVERNOR FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
6N-2575 GOVERNOR FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
 

#SEBP11010800
 

7N-1247: GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

7N1247 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
Serial No. 38S854, 858, 861, 863, 864, 878, 886, 888, 889, 893, 897, 900 and 38S936-Up
For Precombustion Chambered Turbocharged Aftercooled Engine 4N1101, 7N1246 Pump, 4N1894 Governor and
2S9519 Rack Stop parts are shown on Pages 225, 227A, 227B, 238 through 243 and 249
c163939 SEBP1101
7N1247 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 9L-6447 [1] SPRING  
5. 2P-9556 [1] WASHER (flat)  
  2N-0828 [2] WASHER (spring)  
6. 4N-1894 Y [1] GOVERNOR GROUP  
7. 2S-9519 Y [1] RACK STOP GROUP  
    (Separate Illustration)
8. 5P-0076 [4] BOLT  
9. 1B-2790 [2] BOLT  
10. 4N-7656 [1] COVER  
  2P-8643 [1] GASKET  
11. 4N-8068 [1] ADAPTER  
  4N-8067 [1] GASKET  
12. 4N-1868 [1] GASKET  
13. 7N-1246 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
14. 4N-1104 [1] GASKET  
15. 0S-1594 [6] BOLT  
16. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
17. 053-2294 [1] BOLT  
18. 9M-1974 [2] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010801
 

7N-8233: PUMP GP-GOV,FUEL INJ,FUEL TFR

7N8233 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP
Serial No. 38S2345-Up. For Precombustion Chambered Turbocharged Aftercooled Engine
4N1101, 7N6126 Pump, 7N6271 Governor & 4N4267 Spring parts are shown on
Pages 225, 235C, 235D, 246D, 246E & 249
c169002 SEBP1101
7N8233 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 9L-6447 [1] SPRING  
5. 2P-9556 [1] WASHER (flat)  
  2N-0828 [2] WASHER (spring)  
6. 7N-6271 Y [1] GOVERNOR GROUP  
7. 4N-4267 Y [1] TORQUE SPRING GROUP  
    (Separate Illustration)
8. 5L-7812 [2] BOLT  
  9M-1974 [2] WASHER  
9. 4N-5656 [1] COVER  
  2P-8643 [1] GASKET  
10. 053-2294 [1] BOLT  
11. 3B-1915 [4] BOLT  
12. 7N-6126 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 0S-1594 [6] BOLT  
15. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010802
 

8N-8970: PUMP GP-GOV,FUEL INJ,FUEL TFR

8N8970 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
For Precombustion Chambered Turbocharged Aftercooled Engine
4N1101, 7N6126 Pump, 7N6271 Governor & 4N4267 Spring parts are shown on Pages 225, 235C through 235D-2, 246D, 246E and 249
AN ATTACHMENT
c175803 SEBP1101
8N8970 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 8N-1312 [1] SPRING  
5. 2P-9556 [1] WASHER (flat)  
  2N-0828 [2] WASHER (spring)  
6. 7N-6271 Y [1] GOVERNOR GROUP  
7. 4N-4267 Y [1] TORQUE SPRING GROUP  
    (Separate Illustration)
8. 0S-1594 [6] BOLT  
9. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
10. 053-2294 [1] BOLT  
11. 3B-1915 [4] BOLT  
12. 7N-6126 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 4N-5656 [1] COVER  
  2P-8643 [1] GASKET  
15. 5L-7812 [2] BOLT  
  9M-1974 [2] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010803
 

6N-2575: GOVERNOR FUEL INJECTION AND FUEL TRANSFER PUMP GROUP

6N2575 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
Serial No. 38S1 to 897, 900 to 930, 38S933 to 38S937 inclusive. For Precombustion Chambered Turbocharged
Aftercooled 50 hertz and Marine Version Generator Sets. 4N1101, 4N2118 Pump, 4N8896 Governor and
4N4267 Governor Torque Spring parts are shown on Pages 225, 226, 227, 244 through 246 and 249
c210862 SEBP1101
6N2575 GOVERNOR FUEL INJECTION AND FUEL TRANSFER PUMP GROUP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 6N-8795 [1] SPRING  
5. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
6. 4N-8896 Y [1] GOVERNOR GROUP  
7. 4N-4267 Y [1] SPRING GROUP  
    (Separate Illustration)
8. 5P-0076 [4] BOLT  
9. 1B-2790 [2] BOLT  
10. 4N-7656 [1] COVER  
  2P-8643 [1] GASKET  
11. 4N-8068 [1] ADAPTER  
  4N-8067 [1] GASKET  
12. 4N-1868 [1] GASKET  
13. 4N-2118 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
14. 4N-1104 [1] GASKET  
15. 0S-1594 [6] BOLT  
16. 053-2294 [1] BOLT  
17. 9M-1974 [2] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010804
 

7N-8232: PUMP GP-GOV,FUEL INJ,FUEL TFR

7N8232 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
For Direct Injection Turbocharged Engine
4N1101, 7N7577 Pump, 7N6271 Governor & 4N4267 Governor Torque Spring
parts are shown on Pages 225, 235A, 235B, 246D, 246E & 249
c168999 SEBP1101
7N8232 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 9L-6447 [1] SPRING  
5. 2P-9556 [1] WASHER (flat)  
  2N-0828 [2] WASHER (spring)  
6. 7N-6271 Y [1] GOVERNOR GROUP  
    (Separate Illustration)
7. 4N-4267 Y [1] RACK STOP GROUP  
    (Separate Illustration)
8. 5L-7812 [2] BOLT  
  9M-1974 [2] WASHER  
9. 4N-5656 [1] COVER  
  2P-8643 [1] GASKET  
10. 053-2294 [1] BOLT  
11. 3B-1915 [4] BOLT  
12. 7N-7577 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 0S-1594 [6] BOLT  
15. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010805
 

8N-8969: PUMP GP-GOV,FUEL INJ,FUEL TFR

8N8969 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP--FOR DIT ENGINE
Engine Serial No. 38S1-38S12549
4N1101-Page 225, 7N7577-Page 235A, 7N6271-Page 246D, 4N4267-Page 249
c175802 SEBP1101
8N8969 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 8N-1312 [1] SPRING  
5. 2P-9556 [1] WASHER (flat)  
  2N-0828 [2] WASHER (spring)  
6. 7N-6271 Y [1] GOVERNOR GROUP  
7. 4N-4267 Y [1] TORQUE SPRING GROUP  
    (Separate Illustration)
8. 0S-1594 [6] BOLT  
9. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
10. 053-2294 [1] BOLT  
11. 3B-1915 [4] BOLT  
12. 7N-7577 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 4N-5656 [1] COVER  
  2P-8643 [1] GASKET  
15. 5L-7812 [2] BOLT  
  9M-1974 [2] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010806
 

8N-8969: PUMP GP-GOV,FUEL INJ,FUEL TFR

8N8969 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP--FOR DIT ENGINE
Engine Serial No. 38S12550-Up
4N1101-Page 225, 7N7577-Page 235B.01, 235B.02, 7N6127-Page 246E.00.05,
246E.00.06
c327203 SEBP1101
8N8969 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 8N-1312 [1] SPRING-GOVERNOR  
5. 2P-9556 [1] WASHER (FLAT)  
  2N-0828 [2] WASHER (SPRING)  
6. 7N-6127 CY [1] GOVERNOR GP  
7. 4N-4267 Y [1] TORQUE CONTROL GP  
8. 0S-1594 [6] BOLT  
9. 4N-1101 Y [1] PUMP GP-FUEL TRANSFER  
10. 053-2294 [1] BOLT-12 POINT HEAD  
11. 3B-1915 [4] BOLT  
12. 7N-7577 Y [1] PUMP GP-FUEL INJECTION  
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 4N-5656 [1] COVER-GOVERNOR  
  2P-8643 [1] GASKET  
15. 5L-7812 [2] BOLT  
  9M-1974 [2] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010807
 

8N-9232: PUMP GP-GOV,FUEL INJ,FUEL TFR

8N9232 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
Serial No. 38S7184 to 38S9512 inclusive. 4N1101--Page 225, 7N6390--Page 235B-3, 7N6271--Page 246D, 4N4267--Page 249
ALSO AN ATTACHMENT
c179547 SEBP1101
8N9232 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 1C-2251 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 9L-6449 [1] SPRING  
5. 2P-9556 [1] WASHER (flat)  
  2N-0828 [2] WASHER (spring)  
6. 7N-6271 YC [1] GOVERNOR GROUP  
7. 4N-4267 Y [1] TORQUE CONTROL GROUP  
    (Separate Illustration)
8. 0S-1594 [6] BOLT  
9. 4N-1101 Y [1] FUEL TRANSFER PUMP GROUP  
    (Separate Illustration)
10. 053-2294 [1] BOLT  
11. 3B-1915 [4] BOLT  
12. 7N-6390 Y [1] FUEL INJECTION PUMP GROUP  
    (Separate Illustration)
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 2P-8643 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010808
 

8N-9232: PUMP GP-GOV,FUEL INJ,FUEL TFR

8N9232 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP
Serial No. 38S9513 To 38S13222 Inclusive
4N1101-Page 225, 7N6390-Page 235B.03, 7N6271-Page 246D,
6N1636-Page 249B. Also An Attachment
c237879 SEBP1101
8N9232 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 1C-2251 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 9L-6449 [1] SPRING-GOVERNOR  
5. 2P-9556 [1] WASHER (FLAT)  
  2N-0828 [2] WASHER (SPRING)  
6. 7N-6271 Y [1] GOVERNOR GP  
7. 6N-1636 CY [1] CONTROL GP-TORQUE  
8. 0S-1594 [6] BOLT  
9. 4N-1101 Y [1] PUMP GP-FUEL TRANSFER  
10. 053-2294 [1] BOLT-12 POINT HEAD  
11. 3B-1915 [4] BOLT  
12. 7N-6390 Y [1] PUMP GP-FUEL INJECTION  
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 2P-8643 [1] GASKET  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11010809
 

4W-8929: PUMP GP-GOV,FUEL INJ,FUEL TFR

4W8929 GOVERNOR, FUEL INJECTION & FUEL TRANSFER PUMP GROUP
Serial No. 38S13223-Up
4N1101-Page 225, 4W6068-Page 235B.05, 4W6013-Page 246.00.01 &
6N1636-Page 249B
c335702 SEBP1101
4W8929 PUMP GP-GOV,FUEL INJ,FUEL TFR Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1591 [2] BOLT  
2. 0S-1571 [4] BOLT  
3. 0L-1143 [1] BOLT  
4. 9L-6449 [1] SPRING-GOVERNOR  
5. 2P-9556 [1] WASHER (FLAT)  
  2N-0828 [1] WASHER (SPRING)  
6. 4W-6013 Y [1] GOVERNOR GP  
7. 6N-1636 Y [1] CONTROL GP-TORQUE  
8. 0S-1594 [6] BOLT  
9. 4N-1101 Y [1] PUMP GP-FUEL TRANSFER  
10. 053-2294 [1] BOLT-12 POINT HEAD  
11. 3B-1915 [4] BOLT  
12. 4W-6068 Y [1] PUMP GP-FUEL INJECTION  
  4N-1868 [1] GASKET  
13. 4N-1104 [1] GASKET  
14. 2P-8643 [1] GASKET  
15. 4N-5656 [1] COVER-GOVERNOR  
16. 0S-1617 [2] BOLT  
  9M-1974 [2] WASHER  
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only
1979/04/04
Conversion Group Available To Install Woodward Governor On Engines Equipped With Mechanical Governor
1979/04/25
To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar
1979/08/08
Explanation Of Differences In Timing Advance Information
1981/08/26
Part Number For Fuel Injection Pump Group In New Location
1981/11/25
New Idler Shaft Used In Fuel Transfer Pumps
1982/02/24
Fuel Rack Slots Have Improved Wear Resistance
1982/05/12
Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator
1982/08/25
Changes In Engine RPM; Governor Does Not Operate Correctly
1982/10/20
Changes In Engine RPM; Governor Does Not Operate Correctly
1983/01/19
New Specification For Clearance Between Fuel Rack Slot And Cross Link
1983/05/25
Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage
1983/07/06
Service Information For Woodward Governors
1983/10/26
Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint
1983/11/30
Procedure To Remove Sharp Edges From Fuel Racks
1984/02/22
New EG3P Actuator Assemblies Available
1984/03/07
Overvoltage Protection For Woodward 2301 Governor
1984/04/11
Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators
1984/05/16
New Seal For Fuel Injection Pump Housing Is More Resistant To Heat Damage
1984/05/16
New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage
1984/06/20
Fill Oil Sump Before Installing Woodward Governor
1985/01/16
Cross Link Between Fuel Racks Has Smoother Surface
1985/03/01
Changes To Fuel Systems
1985/09/01
Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/12/01
Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01
Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control
1986/04/01
Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct
1986/05/01
Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers
1986/06/01
More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups
1986/06/01
Update Information For Caterpillar Fuel Injection Equipment Test Stand
1986/07/01
More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas
1986/10/01
Initial Start Of Engine Using An EGB29P Governor/Actuator After Filling With Oil
1987/05/01
New Steel Fuel Injection Pump Lifters Should Not Be Mixed With Aluminum Lifters
1987/10/01
New Fuel Shutoff Solenoid Assembly Used
1988/11/01
New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly
1990/08/01
Governor Control Motor Polarity May Require A Change
1990/11/01
Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups
1991/05/01
Corrections For Systems Operation, Troubleshooting, And Specifications For 2301 Electric Governors For Generator Set And Industrial Engines, SENR2928-01
1991/05/01
Procedure To Increase Fuel Transfer Pump Pressure {1256}
1995/04/01
Pressure Compensated Simple Governor (PSG Governor) Changes From Aluminum To Cast Iron Housing {1264}
1995/04/01
Woodward Control Assemblies Have Changed Part Numbers To Provide The CE Marking For Electromagnetic Compatibility (EMC) Directives{1264}
1996/05/09
Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/12
New Spring Used In Fuel Ratio Control
1977/03/15
New 5P4185 Fuel Pump Timing Pin To Be Used Only On 3408 And 3412 Engines
1977/05/13
Improvements To Fuel Injection Pump And Governor
1977/06/08
Correct Adjustment Of Fuel Shut-Off Solenoid Shaft Can Prevent Failures
1977/07/13
Fuel Transfer Pump Shaft With Chromium Plate
1977/10/12
New Governor Spring Changes Speed Regulation
1977/11/09
Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08
New Tachometer Drive Adapter Assembly Prevents Failure Of The Seals For The Tachometer Drive Group And Transfer Pump
1978/03/01
O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors
1978/05/03
A One-Piece Spring Seat Is Now Used In The Governor
1978/07/05
New Dashpot Spring Gives A Reduction In "Overshoot"
1978/07/05
Different O-Ring Seals Now Used In Fuel Injection Pump Group
1978/08/30
Special Instruction
Using The 6V4060 Engine Set Point Indicator Group{0781}
Using The 6V4060 Engine Set Point Indicator Group{0781}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
"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}
Wiring Polarity on Woodward 2301 Governors{1289}
Wiring Polarity on Woodward 2301 Governors{1289}
Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of 6N6193 Governor Adapter Plate Service Group{1264}
Installation Of 4N779 And 7N6124 Fuel Injection Pump Housing Assemblies Or Fuel Injection Pump Groups{1251, 1253}
Installation Of 4N779 And 7N6124 Fuel Injection Pump Housing Assemblies Or Fuel Injection Pump Groups{1251, 1253}
Governor Linkage Adjustments{1264, 1289}
Governor Linkage Adjustments{1264, 1289}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Use Of 6V22 Tool Group For Replacement Of Governor Spring Guide{620, 624, 1264}
Installation Of Governor Spring Guide{1264}
Installation Of Governor Spring Guide{1264}
Installation Of 8N3104 Governor Conversion Group (Woodward PSG){1250}
Installation Of 8N3104 Governor Conversion Group (Woodward PSG){1250}
Installation Of 4W5391 Preregulator Box Assembly{1289}
Installation Of 4W5391 Preregulator Box Assembly{1289}
Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}
Using the 6V7870 Fixture Group and 6V7872 Pliers{1250, 1251}
Service Letter-NACD
The Governors Need To Be Reworked On Certain 3412 Engines Equipped With A 9Z5359 Modification (High Output 3412 Custom Marine Engine)
The Governors Need To Be Reworked On Certain 3412 Engines Equipped With A 9Z5359 Modification (High Output 3412 Custom Marine Engine)
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Truck/Ag/Marine
Technical Information Bulletin
Remanufactured Fuel Injection Nozzles
Remanufactured Fuel Injection Nozzles
3400 V - Block Cleaniness at Gov'n Oil Supply Line
3400 V - Block Cleaniness at Gov'n Oil Supply Line
Specifications
Fuel Injection Pump
3408C & 3412C INDUSTRIAL ENGINES
Fuel Injection Pump Housing
3408C & 3412C INDUSTRIAL ENGINES
Governor
3408C & 3412C INDUSTRIAL ENGINES
Governor And Fuel Pump Drive<BR> (Automatic Timing Advance Unit)
3408C & 3412C INDUSTRIAL ENGINES
Fuel Transfer Pump Drive
3408C & 3412C INDUSTRIAL ENGINES
Fuel Transfer Pump
3408C & 3412C INDUSTRIAL ENGINES
Governor Control
3408C & 3412C INDUSTRIAL ENGINES
Fuel System Identification
3412 INDUSTRIAL AND MARINE ENGINES
Fuel Injection
3412 INDUSTRIAL AND MARINE ENGINES
Governor
3412 INDUSTRIAL AND MARINE ENGINES
Fuel Injection Pump Housing (Earlier)
3412 INDUSTRIAL AND MARINE ENGINES
Fuel Injection Pump Housing (Later)
3412 INDUSTRIAL AND MARINE ENGINES
Governor Drive And Oil Pump
3412 INDUSTRIAL AND MARINE ENGINES
Governor And Fuel Pump Drive (Automatic Timing Advance Unit) (Standard Engine)
3412 INDUSTRIAL AND MARINE ENGINES
Governor And Fuel Pump Drive (Automatic Timing Advance Unit) (Low Speed Engine)
3412 INDUSTRIAL AND MARINE ENGINES
Fuel Ratio Control
3412 INDUSTRIAL AND MARINE ENGINES
Fuel Transfer Pump
3412 INDUSTRIAL AND MARINE ENGINES
Fuel Transfer Pump Drive
3412 INDUSTRIAL AND MARINE ENGINES
Woodward PSG Governor
3412 INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Governor Linkage
3412 INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Governor Controls
3412 INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Governor Air Actuator
3412 INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Service Letter-China
The Governors Need To Be Reworked On Certain 3412 Engines Equipped With A 9Z5359 Modification (High Output 3412 Custom Marine Engine)
The Governors Need To Be Reworked On Certain 3412 Engines Equipped With A 9Z5359 Modification (High Output 3412 Custom Marine Engine)
Service Letter-Asia
Systems Operation
Systems Operation
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Installation And Operation
2301A SPEED CONTROL
Service Letter-APD
The Governors Need To Be Reworked On Certain 3412 Engines Equipped With A 9Z5359 Modification (High Output 3412 Custom Marine Engine)
The Governors Need To Be Reworked On Certain 3412 Engines Equipped With A 9Z5359 Modification (High Output 3412 Custom Marine Engine)
Testing and Adjusting
Testing and Adjusting
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Installation And Operation
2301A SPEED CONTROL
Troubleshooting
Introduction
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem Index
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 1: Fuel Linkage Has Limited Travel, Binds, Or Takes Excessive Force
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 2: Engine Will Not Start
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 3: Engine Will Not Carry Load (Low Power)
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 4: Engine Will Not Decelerate. Engine Will Not Idle.
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 5: Engine Speed Not Constant
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 6: Engine Overspeeds
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 7: Engine Does Not Share Load (For Load Share Units Only)
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Problem No. 8: Engine Does Not Parallel
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Service Procedures
2301 ELECTRIC GOVERNOR FOR GENERATOR SET AND INDUSTRIAL ENGI
Chapter 5. Troubleshooting
2301A SPEED CONTROL
Appendix A. Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards, &amp; Modules
2301A SPEED CONTROL
Appendix B. EMI Controls in Electronic Governing Systems
2301A SPEED CONTROL
Disassembly and Assembly
Governor &amp; Fuel Pump Drive
3408C & 3412C INDUSTRIAL ENGINES
Fuel Injection Pumps
3408C & 3412C INDUSTRIAL ENGINES
Fuel Transfer Pump
3408C & 3412C INDUSTRIAL ENGINES
Governor &amp; Fuel Injection Pump Housing
3408C & 3412C INDUSTRIAL ENGINES
Fuel Shutoff Solenoid
3408C & 3412C INDUSTRIAL ENGINES
Fuel Ratio Control
3412 INDUSTRIAL & MARINE ENGINES
Fuel Transfer Pump
3412 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pumps
3412 INDUSTRIAL & MARINE ENGINES
Automatic Timing Advance
3412 INDUSTRIAL & MARINE ENGINES
Governor (Low Speed Engine)
3412 INDUSTRIAL & MARINE ENGINES
Fuel Injection Pump Housing &amp; Governor
3412 INDUSTRIAL & MARINE ENGINES
Service Magazine
Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31
6V2029 Fixture Group Available For Adjustment Of Air/Fuel Ratio Control {0626,1278,0652}
1981/03/23
Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24
Part Number For Fuel Injection Pump Group In New Location{1253,1286}
1981/11/09
New Idler Shaft Used In Fuel Transfer Pumps{1256}
1982/02/22
Fuel Rack Slots Have Improved Wear Resistance{1257}
1982/05/10
Make Set Point Measurements Easier With The 6V4060 Engine Set Point Indicator{0651}
1982/08/16
Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1982/10/18
Changes In Engine RPM; Governor Does Not Operate Correctly{1264}
1983/01/10
New Rack Shutoff Solenoid Available{1257,1259}
1983/02/28
New Specification For Clearance Between Fuel Rack Slot And Cross Link{1257}
1983/05/16
Improved Governor Control Shaft And Seal Will Help Prevent Oil Leakage{1265}
1983/07/04
Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15
Service Information For Woodward Governors{0374,1264}
1983/09/26
Explanation Of Engine High Idle RPM And Correct Adjustment Of Engine Setpoint{1264}
1983/11/07
Procedure To Remove Sharp Edges From Fuel Racks {1257,1253}
1984/02/06
New EG3P Actuator Assemblies Available{1289}
1984/02/27
Overvoltage Protection For Woodward 2301 Governor{1289}
1984/04/09
Only The External Needle Valve Can Be Adjusted On Woodward EG3P or EG10P Actuators{1265,1289}
1984/04/23
New Speed Setting Motor Assembly On Woodward PSG Governor Has More Resistance To Moisture And Vibration Damage{1264}
1984/05/14
Fill Oil Sump Before Installing Woodward Governor{1264,1288,1289}
1984/12/10
Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14
Only The External Needle Valve Can Be Adjusted On Woodward EG3PC Or EG10PC Actuators{1265,1289}
1985/02/04
Cross Link Between Fuel Racks Has Smoother Surface{1250,1257}
1985/03/11
Check Fuel Injection Nozzles In Overheated Engines{1254}
1985/09/02
Steel Fuel Pump Lifter Used{1250,1251}
1985/09/02
Changes To Fuel Systems {1250,1251,1252,1253,1254,1100}
1985/09/16
Comparison Of Fuel Timing Tolerances For Field Settings{1250,1251,1281}
1985/10/28
Anti-Seize Compound And/Or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings{1251}
1985/11/11
Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers{1257,1264}
1986/03/10
Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing{1253}
1986/03/10
Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}
1986/03/24
Be Sure The Polarity Of The Electrical Connector On EG3P Woodward Actuator Assembly Is Correct{1265,1250}
1986/05/05
More Precise Governor Speed Adjustment Possible With Attachment Governor Control Groups{1265,1264,1250}
1986/06/02
Black Nylon Fuel Seals For Lockwire Available Only To NACD Dealers For Certain Customers{1257,1264}
1986/06/09
Changes Have Been Made To OT Microfiche (Fuel Setting And Related Information){1250,1251,1281}
1986/06/16
More Flexible Lockwire Used With Nylon Seals For Sealing Critical Areas{1257,1264}
1986/09/22
Nylon Seals Used On Lockwire To Seal Critical Areas; All Subsidiary Dealers Can Now Order Parts Service Seals {1257,1264}
1986/11/03
New Spring Used In Fuel Ratio Control{1278}
1977/03/21
Improvements To Fuel Injection Pump And Governor{1286}
1977/06/06
Fuel Transfer Pump Shaft With Chromium Plate{1256}
1977/10/10
New Governor Spring Changes Speed Regulation{1264,1286}
1977/10/31
Improved High Idle Display Of The 6V3100 And 8T5300/8T5301 Engine Timing Indicator Groups{0781}
1987/03/16
Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23
Do Not Change Factory Fuel Or Speed Settings On Truck Engines Unless New Settings Are Certified Under Applicable EPA Regulations{0336,0337,1257}
1978/01/30
New Tachometer Drive Adapter Assembly Prevents Failure Of The Seals For the Tachometer Drive Group And Transfer Pump{7462,1256}
1978/02/27
Do Not Use The 5B1401 Cleaning Tool Group To Clean The Orifice In Capsule-Type Fuel Injection Nozzles{0650,1254}
1978/04/24
O-Ring Seals Of A Different Material Are Now Used On The Outside Diameter Of The Servo Cylinder In Governors{1264}
1978/05/01
New Dashpot Spring Gives A Reduction In &quot;Overshoot&quot;{1264}
1978/06/26
A One-Piece Spring Seat Is Now Used In The Governor{1264}
1978/06/26
Different O-Ring Seals Now Used In Fuel Injection Pump Group{1251}
1978/08/28
Use New 6V22 Tool Group To Make Replacement Of Worn Governor Spring Guides{0620}
1978/09/25
Modification To Rack Adjusting Tool Needed For Higher Rack Settings{0654,1257}
1978/10/16
New Woodward Governor Control Used On Diesel Engines; Former Control Now Used On Gas Engines Only{1265}
1979/03/19
Conversion Group Available To Install Woodward Governor On Engines Equipped With Mechanical Governor{1264}
1979/04/09
9S8100 Tool Group Changed To Use With Fuel Transfer Pump Only{0622}
1979/05/28
To Prevent A Possible Change In The Fuel Rack Setting, A Specific Assembly Procedure Must Be Used To Tighten The Bolt On The Governor Stop Collar{1259,1257,1250}
1979/07/02
Changes Made To 8S2243 And 8S4613 Wrenches Used On Fuel Injection Pumps{0612,1251}
1979/08/06
Tee Handle Hexagonal Wrench In Rack Adjusting Tool Is Now Available For Parts Replacement
1979/09/10
New Throttle Shaft Bearing Sleeves Used In Governor Housing Assembly{1365}
1990/07/30
Governor Control Motor Polarity May Require A Change{1265,1408,7556}
1990/10/29
Replace Camshaft And Install New Lifters If Pitting, Spalling, Or Wear Occurs On Lobes Of 4N0599 And 4N0602 Camshafts In Fuel Injection Pump Groups{1251,1253}
1991/05/20
New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25
New Diaphragm Used In Fuel Ratio Control Groups{1278}
1992/06/15
Improved Fuel Pump Bonnet Seal Has Better Heat Resistance {1251}
1994/09/12
Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Fuel Ratio Control (FRC) Setting{1278,1287}
1996/01/22
Improved Governor Servo Components Available For Use With Energize To Run Solenoids; Energize To Run Solenoid Stop Bolt Adjustment Procedure{1264,1259}
1996/06/03

Caterpillar Parts SIS Catalog 3412 :

GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
6N-1901 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-8239 PUMP GP-GOV,FUEL INJ,FUEL TFR
GOVERNOR AND FUEL INJECTION PUMP GROUP
7N-1248 GOVERNOR AND FUEL INJECTION PUMP GROUP
PUMP GP-GOV DR, FUEL INJ & TFR
2W-9124 PUMP GP-GOV DR, FUEL INJ & TFR
PUMP GP-GOV DR, FUEL INJ & TFR
2W-9123 PUMP GP-GOV DR, FUEL INJ & TFR
GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
6N-2551 GOVERNOR, FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-8240 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-1243 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-8233 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
8N-8970 PUMP GP-GOV,FUEL INJ,FUEL TFR
GOVERNOR FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
6N-2575 GOVERNOR FUEL INJECTION AND FUEL TRANSFER PUMP GROUP
PUMP GP-GOV,FUEL INJ,FUEL TFR
7N-8232 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
8N-8969 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
8N-8969 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
8N-9232 PUMP GP-GOV,FUEL INJ,FUEL TFR
PUMP GP-GOV,FUEL INJ,FUEL TFR
8N-9232 PUMP GP-GOV,FUEL INJ,FUEL TFR

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