Engine Power Output Low - Application Specific
Industrial, Electric Drive Transmission
Cause Corrections
----------
Electrical Loading of Engine Not Correct
OK
f
Refer to manufacturer’s instructions and
Bulletin No. 3810346, ‘‘Troubleshooting
Low Power: Engine vs. Electrics.’’
----------
Fuel or Air Delivery Problem
Operate engine at full load, rated speed.
Refer to electrical system manufacturer’s
instructions and Bulletin No. 3810346
‘‘Troubleshooting Low Power: Engine vs.
Electrics’’ to load bank engine. Where
required, perform haul road trial. In either
case, measure fuel rate, fuel manifold
pressure, and intake manifold pressure. Refer
to Section 8. Refer to the Performance
Measurement section following the Applica-
tion Specific Problem section.
Industrial, Mechanical Drive Transmission
Cause Corrections
----------
Fuel or Air Delivery Problem
Perform stall speed and time to stall check.
Refer to Procedure 5-24. When feasible,
perform haul road trial. In either case,
measure fuel rate, fuel manifold pressure,
and intake manifold pressure. Refer to
Section 8. Refer to the Performance Mea-
surement section following the Application
Specific Problem section.
Genset
Cause Corrections
----------
Electrical Load Measurement Not Correct
OK
f
Verify electrical load with calibrated
equipment.
----------
Auxiliary Governor Throttle Linkage Not
Set Correctly
OK
f
Refer to the manufacturer’s instructions.
(Continued)
SectionT-Troubleshooting Troubleshooting Symptoms Charts
N14 Page T-47