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1. ENGINE
This guide is not intended to cover every conditions, however many of the more common possibilities
are listed.
Trouble
The engine oil pressure lamp
lights ON when engine speed is
raised after completion of warm
up.
Steam is emitted from the top
part of the radiator(The pressure
valve).
Coolant level warning lamp lights
ON.
The engine does not start when
the starting motor is turned over.
Exhaust gas is white or blue.
Exhaust gas occasionally turns
black.
Combustion noise occasionally
changes to breathing sound.
Unusual combustion noise or
mechanical noise.
T T ROUBLESHOOTING GUIDE
Service
Add the oil to the specified level.
Replace the oil filter cartridge.
Check oil leakage from the pipe or the joint.
Replace the monitor.
Supply the coolant and check leakage.
Adjust fan belt tension.
Wash out inside of cooling system.
Clean or repair the radiator fin.
Check the thermostat.
Tighten the radiator cap firmly or replace the
packing of it.
Replace the monitor.
Add fuel.
Repair where air is leaking into fuel system.
Check the injection pump or the nozzle.
Check the valve clearance.
Check engine compression pressure.
Adjust to specified oil quantity.
Replace with specified fuel.
Clean or replace the air cleaner element.
Check the nozzle.
Check engine compression pressure.
Clean or replace the turbocharger.
Check the nozzle.
Check with specified fuel.
Check over-heating
Replace the muffler.
Adjust valve clearance.
7-1
Remark
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