Variable Speed (VS) Governor Speed Not Set Correctly
Cause Corrections
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PT Fuel Pump Lower (Automotive)
Throttle Lever is Not Locked Wide
Open
OK
f
Make sure the lower lever linkage opens
the throttle wide open. Refer to Procedure
5-02.
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PT Fuel Pump Variable Speed Governor
Linkage is Not Fully Open or is Set to Idle
OK
f
Adjust the throttle linkage. Refer to
Procedure 5-02.
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PT Fuel Pump Low Speed Set Screw is
Out of Adjustment
OK
f
Loosen lock nut and adjust the rear screw.
Refer to Procedure 5-05 and the PT Fuel
Pump Rebuild and Calibration Manual,
Bulletin No. 3379084.
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PT Fuel Pump High Speed Spring is Incorrect
OK
f
Remove PT fuel pump and change the
spring. Refer to Procedure 5-02 and the PT
Fuel Pump Rebuild and Calibration Manual,
Bulletin No. 3379084.
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PT Fuel Pump Lever Screw Does Not
Let The Throttle Lever Plunger Move
Remove PT fuel pump. Inspect the screw
adjustment. Refer to Procedure 5-02 and the
PT Fuel Pump Rebuild and Calibration
Manual, Bulletin No. 3379084.
Troubleshooting Symptoms Charts SectionT-Troubleshooting
N14Page T-104