23TROUBLESHOOTING
ENGLISH
TROUBLESHOOTING
If the engine does not function properly, use the following chart to identify and correct the cause.
BWhen it is difficult to start the engine
BWhen output is insufficient
Cause Countermeasures
Fuel is thick and
doesn't flow.
*
*
*
Check the fuel tank and fuel filter.
Remove water, dirt and other
impurities.
As all fuel will be filtered by the filter,
if there should be water or other
foreign matters on the filter, clean the
filter with kerosene.
Air or water mixed
in fuel system
*
*
*
If air is in the fuel filter or injection
lines, the fuel pump will not work
properly.
To attain proper fuel injection
pressure, check carefully for
loosened fuel line coupling, loose cap
nut, etc.
Loosen joint bolt stop fuel filter and air
vent screws of fuel injection pump to
eliminate all the air in the fuel system.
Engine oil
becomes thick in
cold weather and
engine cranks
slow.
*
Change grade of oil according to the
weather (temperature).
Battery is
discharged and the
engine will not
crank.
*
*
Charge battery.
In winter, always remove battery from
machine, charge fully and keep
indoors. Install in machine at time of
use.
Cause Countermeasures
Fuel is insufficient. * Check fuel system.
Overheating of
moving parts
*
*
*
Check lubricating oil system.
Check to see if lubricating oil filter is
working properly.
Filter element deposited with impurities
would cause poor lubrication. Change
element.
Air cleaner is
dirty
* Clean the element every 100 hours of
operation.
Injection pump
wear
* Do not use poor quality fuel as it will
cause wear of the pump. Only use No.
2-D diesel fuel. (See "FUEL" in
"PERIODIC SERVICE" Section.)
A If the cause of trouble can not be found, contact your KUBOTA dealer.
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