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TROUBLESHOOTING
1.
ENGINE DOES NOT START
a.
b.
c.
d.
e.
f.
g.
h.
Starting switch is defective
Deficient drive torque of
the starter motor
Improper viscosity of engine
oil
Engine too cold
Seizure of moving parts
Air present in fuel system
No fuel in fuel tank
Fuel filter clogged
Correct connections and contacts
The battery is exhausted, trouble
with the starter motor, or dirty or
loose wiring
Check the viscosity and renew oil
if necessary
Use glowplug starting aid
Rectify
Purge thoroughly with electric fuel
pump
Refill
Clean or renew
2.
ENGINE STALLS WHILE IN OPERATION
a.
Fuel tank is empty
b.
Fuel filter clogged
c.
Air present in fuel system
3.
IMPROPER OIL PRESSURE
a.
Oil shortage
b.
Oil leak through connections
c.
Oil pressure switch
defective
4.
ENGINE OVERHEATING
a.
Cooling water shortage
b.
Water leaks
c.
Belt loose or smeared with
oil
d.
Raw water pump defective
5.
BATTERY IS UNDERCHARGED
a.
Belt tension improper
b.
Faulty wiring circuit
c.
Alternator not functioning
(observe voltmeter)
d.
Battery faulty
e.
Faulty voltage regulator
Refill
Clean or renew
Retighten fuel line connections to
allow electric fuel pump to run long
enough to purge air thoroughly
Refill
Repair
Replace
Refill
Repair
Clean or renew
Repair or renew
Rectify
Rectify
Replace
Replace
Repair or renew
23
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