Shibaura ST330, Workshop Manual

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4 Trouble Shooting
Condition Cause Remedy
Engine does not start.
Defective key switch
Insufficient charging or completely discharged
battery.
No fuel.
Air mixed in the fuel system.
Clogged fuel filter.
Irregular of improper fuel supply.
Defective glow plug.
Improper viscosity of lubricating oil.
Clogged air cleaner.
Not compressed.
Defective engine stop solenoid. Connect or correct contact points properly.
Charge.
Replenish the fuel.
Correct points allowing the air to enter the
fuel.
Replace the fuel filter.
Trouble of injection pump. Have corrected
in work specified by BASC.
Replace.
Check and change.
Clean the air cleaner.
Check and correct each part.
Check or replace wiring.
Irregular engine speed
Air mixed in the fuel system.
Uneven fuel injection.
Clogged fuel filter.
Trouble of speed governor.
Improper function of engine main body. Discharge air from the fuel.
Trouble of injection pump. Have corrected
or replaced in a work specified by BASC.
Replace the fuel filter.
Check and adjust.
Overhaul, check and correct each part.
Engine stops during
operation
No fuel in fuel tank.
Clogged fuel filter.
Air mixed in the fuel system.
Improper functions of engine main body. Replenish fuel.
Replace the filter.
Correct points to allow the air to enter the fuel
system.
Check and correct each part.
Engine overheat
Insufficient cooling water.
Loosened or slipping fan belt.
Failure of fan belt.
Clogged radiator.
Clogged radiator fin.
Cooling water passage clogged with dust, fur, etc.
Improper function of thermostat.
Insufficient lubricating oil.
Overload. Replenish the cooling water, and check and
repair water leaking points.
Clean oil dust, etc. and retighten.
Replace.
Clean the radiator.
Clean.
Wash.
Check and replace
Replenish.
Decrease the load.
* BASC : BOSCH AUTOMOTIVE SYSTEMS CORPORATION