TROUBLESHOOTING
95
ENGINE
Problem
Possible Cause
Remedy
Starter motor does not
operate with key turned to
START
Gear shift lever not in neutral
PTO clutch engaged
Broken safety switch
Discharged battery
Loose or dirty terminals
Broken main switch
Broken starter
Place gear shift lever in neutral.
Switch off PTO.
Consult your Dealer.
Charge battery.
Clean and retighten securely.
Consult your Dealer.
Consult your Dealer.
Starter motor operates but
not at full speed
Discharged battery
Loose or dirty terminals
Improper oil viscosity
Defective engine
Charge battery.
Clean and retighten securely.
Clean and tighten starter terminal.
Replace with oil of proper viscosity.
Consult your Dealer.
Starter motor operates but
engine does not start
Electric fuel system
Air in fuel system
Clogged fuel filter
Fuel is not being supplied
Incorrect preheating procedure
Defective engine
Consult your Dealer.
Air-bleed fuel system.
Clean filter.
Check fuel level, open fuel cock.
Longer use of glow plugs.
Consult your Dealer
Irregular engine running
Air in fuel system
Clogged fuel filter
Clogged fuel injectors
Fuel leakage from fuel line
Fuel injection pump timing
Defective engine
Air-bleed fuel system.
Clean filter.
Consult your Dealer.
Retighten clamps, replace defective pipes.
Consult your Dealer.
Consult your Dealer.
When decelerated, engine
stops
Incorrect low idle setting
Malfunctioning fuel injection pump
Improper valve clearance
Defective fuel injectors
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Engine over-speeds
Defective governor
Incorrect high speed setting
Engine oil is getting into
combustion chambers
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Engine stops unexpectedly
during operation
Insufficient fuel supply
Defective fuel injectors
Defective fuel injection pump
Engine seizure due to low or poor oil
Top up fuel and-bleed fuel system.
Consult your Dealer.
Consult your Dealer.
Consult your Dealer.
Engine overheats
Insufficient coolant
Broken or loose fan belt
Clogged grille, radiator screens
Clogged radiator fins
Defective thermostat
Insufficient engine oil
Top up coolant.
Adjust belt tension or replace.
Clean.
Clean.
Replace.
Inspect oil level and replenish if necessary.
Exhaust fumes are white
Clogged air cleaner
High engine oil level
Insufficient fuel delivery
Clean or replace element (s).
Inspect oil level and correct.
Consult your Dealer.
Exhaust fumes are too black Poor fuel
Excessive fuel delivery
Insufficient fuel injector pressure
Replace with better grade.
Consult you Dealer.
Consult you Dealer.
TROUBLESHOOTING
Содержание TH4295
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