Thomas 153 - Page 54

6. Engine (Continued)
Problem Cause Remedy
Engine overheated
Deficient output
Battery quickly discharges
Engine oil insufficient
Fan belt broken or elongated
Cooling water insufficient
Radiator net and radiator fin clogged
with dust
Inside of radiator corroded
Cooling water flow route corroded
Radiator cap defective
Overload running
Head gasket defective
Incorrect injection timing
Unsuitable fuel used
Incorrect injection timing
Engine’s moving parts seem to be
seizing
Uneven fuel injection
Deficient nozzle injection
Compression leak
Battery electrolyte insufficient
Fan belt slips
Wiring disconnected
Rectifier defective
Alternator defective
Battery defective
Replenish.
Change or adjust.
Replenish.
Clean.
Clean or replace.
Clean or replace.
Replace.
Loosen the load.
Replace.
Adjust.
Use the specified fuel.
Adjust.
Repair or replace.
Repair or replace injection pump.
Repair or replace nozzle.
Replace head gasket, tighten cylinder
head bolt, glow plug and nozzle
holder.
Replenish distilled water recharge.
Adjust belt tension or charge.
Connect.
Replace.
Replace.
Change.
4. MAINTENANCE
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