OM-2226 / Operation and Maintenance Manual
60CU20 / Series 500062 / 400 Hz. Generator Set
May 2, 2013
Revision 2
Chapter 2-4
Page 12
Engine Controls (continued)
Trouble, Symptom,
Condition
Probable Cause
Test, Check, and/or Remedy
8.
Engine either goes
from rated speed to
idle speed, or shuts
down.
a.
Low fuel was detected or the
EIB board could be defective.
Add No. 2 diesel fuel.
Replace EIB board.
9.
Engine has slow
response time
when a load is
applied.
a.
Engine needs tune-up
Tune-up as required. Refer to engine
manufacturer’s operation manual.
10.
Engine misses or
runs unevenly.
a.
Insufficient fuel
Check fuel system in accordance with engine
manufacturer’s operation manual. Repair or
replace parts as required.
b.
Faulty injector
Check injectors in accordance with engine
manufacturer’s operation manual.
c.
Low compression pressure
Check compression in accordance with engine
manufacturer’s operation manual.
d.
Air in fuel system
Check all fittings to be sure they are tight and
the thread sealant is still present. Tighten the
fittings and add new thread sealant as required.
11.
Engine lacks
power
a.
Improper engine adjustments
and gear train timing
Tune-up engine in accordance with engine
manufacturer’s operation manual.
b.
Insufficient fuel
Check low fuel level in accordance with engine
manufacturer’s operation manual. Repair or
replace parts as required.
c.
Insufficient inlet air due to
damaged or dirty air cleaner.
Check air cleaner for plugging and/or damage.
d.
Restricted exhaust system
Check exhaust pipes for restrictions. Check
muffler for clogged condition. Replace as
required.
12.
All panel and
clearance lights are
either always ON or
always OFF.
a.
Marker light circuit breaker
(CB1) won’t close.
Replace marker lights circuit breaker (CB1) if
defective.
b.
Defective CTL board
Replace CTL board.
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