TROUBLESHOOTING
TESTING AND ADJUSTING
10e. NO OUTPUT FROM GOVERNOR
Cause
Correction
Bad Lubrication Oil
Remove, drain and clean the governor. Make sure air is not held
in the oil supply. Change the oil and make a replacement of the
filter.
No Governor Oil Pressure
Inspect the governor oil pressure relief valve. Make replacement
if necessary.
Inspect pump check valves (if so equipped). Make replacements
if necessary.
Inspect governor oil pump. Make repairs as necessary.
Governor Drive Has a Failure
Repair the governor drive.
Fuel Control Linkage Has a Fail-
Inspect and adjust linkage. Make repairs as necessary.
ure
10f. ENGINE WILL NOT DRIVE FULL RATED LOAD
Cause
Correction
Fuel Control Linkage Not Cor
Adjust the linkage.
rectly Adjusted
Engine Fuel System Has a Failure
Use the FUEL SYSTEM section of TESTING AN D ADJUSTING
as a reference. Make repairs as necessary.
Low Governor Oil Pressure
Remove, drain and clean the governor. Make sure air is not held
in the oil supply. Change the oil and make a replacement of the
filter.
Inspect the governor oil pressure relief valve. Make a
replacement if necessary.
Inspect pump check valves (if so equipped). Make replacements
as necessary.
Inspect governor oil pump. Make repairs as necessary.
Voltage Regulator Does Not
Adjust or repair the voltage regulator.
Work Correctly
10g. LOAD SHARING BETWEEN PARALLELED UNITS IS NOT CORRECT (one unit on zero droop all the others on
droop)
Cause
Correction
Droop Setting is Too Low on
Increase droop setting on these units until the load is constant
Some Units
on each droop unit.
Different Speed Settings on the
Adjust speed settings on droop units. No load speed on all droop
Units
units should be the same.
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