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TROUBLE, SYMPTOM
AND CONDITION
NOTE: Diesel engine trouble shooting is covered in Perkins Engine Shop Manual under Fault Diagnosis.
ENGINE CONTROLS
1. Engine will not
start. Starter will
NOT crank engine.
2. Engine will not
start. Cranking
speed low.
August 5/89 Revised
PROBABLE CAUSE
A. Batteries discharged,
or loose battery or
ground connection
B. Defective starter
solenoid
C. Defective starter
D. Internal seizure
A. Low battery output
B. Loose starting cir-
cuit connections or
faulty cables.
C. Improper lubricating
Troubleshooting Chart (Sheet 1 of 20)
Figure 5
TEST, CHECK, AND/OR
REMEDY
A. Check voltage across bat-
teries. Voltage should be
approximately 13.5 volts DC.
Check all battery terminals.
Be sure 13.5 volts DC is
reaching solenoid input
terminal.
B. Momentarily connect a large
capacity jumper cable be-
tween the hot side of the
starter solenoid and the
starter input terminal. If
the starter attempts to
crank the engine, it indi-
cates the starter solenoid
is defective. Replace. If
the starter did not operate,
proceed to step D.
C. If starter did not operate
in check C above, the
starter is defective. Re-
place.
E. If all engine starting com-
ponents are good and the
starter is unable to crank
the engine, internal seizure
is indicated. For repair
procedure see Perkins Diesel
workshop manual.
A. Check battery. Recharge or
replace.
B. Check all connections and
cables.Tighten or replace
as required.
D. Check oil. See Sect. 2-1,
OM-2031
3-1
Page 9
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