42
Engine stops by itself
Possible causes
Remedies
Fuel is used up
Check and add fuel, and remove the air in the oil
line.
Oil line clogged or much air
entering
Check and clear the oil line; remove the air in
the oil line; determine the location of the intake
and then remove it.
Bushing burned due to the
blockage in lubrication oil line.
When the water temperature is normal, it will
lead to engine to stop immediately. Dismantle
the sump, check and repair it, and then replace
the damaged parts.
Overheat piston scraping due to
lack of water or too high water
temperature.
At first, make engine cool naturally (make sure
not to add cold water or wash engine with it),
then try to rotate the crankshaft. If it is jammed,
start engine after adding cold water, or else
move engine, check and repair it, then replace
the damaged parts.
Engine over-speeding
（
Speed rises sharply
）
Possible causes
Remedies
Injection pump (governor) is in
trouble
Pull the stop handle when engine over-speeding, if the
engine is fail to stop, brake it with engaging a gear in
transmission
，
or other measures should be taken to
force it to stop, such as sealing off the inlet, cutting off
the fuel pipe and etc. After engine has stopped, adjust
and repair it, replace the damaged parts if necessary.