Troubleshooting - Kubota D1005-E4 Operator's Manual

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