• When engine suddenly stops
Cause Countermeasures
*Check the fuel tank and refill the fuel,
if
Lack
of
fuel
necessary.
*Also check the fuel system 'for air
or
leaks.
Bad nozz,le
*If
necessary, replace with a new
nozzle.
Moving parts are
·check
amount
of
engine oil with oil
overheated due to
level gauge.
shortage
of
*Check lubricating oil system.
lubrication oil
or
*At
every 2 times
of
oil change, oil filter
improper
cartridge should be replaced.
lubrication.
*Check
to
see
if
the engine bearing
clearances is within factory specs.
NOTE:
• When the engine has suddenly stopped, decompress
the engine by the decomp and turn the engine lightly
by pulling
on
the fan belt.
If
the engine turns easily
wi
thout abnormalities, the cause
of
the trouble is
usually lack
of
fuel or bad nozzle.
• When color
of
exhaust is especially bad
Cause
Countermeasures
Fuel governing
*Contact dealer for repairs.
device
bad
Fuel is
of
extremely *Select good quality fuel.
poor quality. Use
No
. 2-D diesel fuel only.
Nozzle is bad.
*If
necessary, replace with new nozzle.
*Cause Is poor atomization, improper
injection timing, etc. Because
of
trouble
Combustion is
In injection system
or
in poor valve
incomplete.
adjustment,
or
compression leakage,
poor
compression,
etc
.
Check for the cause.
TROUBLESHOOTING
23
• When engine must be stopped immediately
Cause Countermeasures
Engine revolution
suddenly
*Check the adjustments, injection timing
decreases
or
and the fuel system.
increases.
Unusual sound is
*Check all moving parts carefully.
heard suddenly.
Color
of
exhaust
*Check the fuel Injection system,
suddenly turns
dark.
especially the fuel injection nozzle.
Bearing parts
are
*Check the lubricating system.
overheated.
-
*Check the lubricating system.
•ch
eck,
if
the engine bearing
Oil lamp lights up
clearances are within factory specs.
*Check the function
of
the relieve
va
l
ve
during operation.
in the lubricating system.
*Check pressure switch.
*Check filter base gasket.
• When engine overheats
Cause Countermeasures
Engine oil
*Che
ck
oil level. Replenish oil
as
insufficient
required.
Fan belt broken
or
*Change belt
or
adjust belt tension.
elongated
Coolant insufficient *Replenish coolant.
Excessive
*Add water
on
ly
or
change to coolant
concentration
of
antifreeze
with 'the specified mixing ratio.
Radiator net
or
radiator fin clogged
*Clean
net
or
fin carefully.
with dust
Inside
of
radiator
or
coolant flow route
·c1ean
or
replace radiator and parts.
corroded
Fan
or
radiator
or
radiator cap
•Re
place defective parts.
defective
Thermost
at
•ch
eck thermostat and replace
if
defective necessary.
Temperature gauge
*Check temperature with thermometer
or
sensor defective
and replace
if
necessary.
Overload running
*Reduce load.
Head gasket
defective
or
water
*Replace parts.
leakage
Incorrect injection
*Adjust
to
proper timing.
timing
Unsuitable fuel
*Use
the
specified fuel.
used
To Next Page
Loading...
