Hobart 60CU20 Operation And Maintenance Manual With Illustrated Parts List page 112

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