11-2
TROUBLESHOOTING
3. Engine does not Start.
Problem Cause Solution
The starter does not turn. Reduced battery voltage Charge the batteries. Replace.
High resistance in the starter circuit * Clean and/or retighten the battery
terminals and starter terminals
Faulty key switch * Replace
Damaged wire harness * Repair or replace
Faulty battery relay * Replace
Blown slow blow fuse link * Replace
The forward/reverse selector lever is in either
the forward or reverse position.
Return to neutral.
Faulty starter * Repair or replace
Battery disconnect switch is OFF. Turn the switch to ON position.
Although the starter turns, the
engine does not start.
Use of poor quality fuel, insufficient fuel, lack
of fuel
Change fuel. Refill tank with good
quality fuel.
Faulty glow plug * Replace glow plug
Air mixed in the fuel supply line Bleed air
Faulty injection pump or nozzle * Repair or replace
Reduced compression pressure * Repair or replace
Engine speed does not increase. During fan reversing operation, the F, R, or
parking switch was deactivated or the Fan
reverse rotation switch was turned OFF.
Rotate the fan in normal direction.
Refer to the fan reverse switch on page
1-106.
DEF tank is empty. Supply DEF.
The accelerator pedal function is abnormal. Replace the accelerator pedal or parts.
Although the engine cranks,
running speed is low and easy
to stall.
Deteriorated engine oil Change engine oil
Contaminated injection nozzle * Replace
Clogged fuel filter Replace
Clogged feed pump strainer Clean
Air mixed in the fuel supply line Bleed air
Poor fuel quality Replace
f
NOTE: * Consult your nearest authorized dealer.
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