TROUBLESHOOTING
ENGINE DOES NOT START
CAUSE
SOLUTION
The weather is cold, machine oil
becomes more adhesive
Fill machine oil into crankshaft case after preheated. Fill machine
oil into inlet manifold. Disassemble the connection belt of mat-
ching machine and then start the diesel engine. Stop the engine
when the engine becomes hot and ressemble the belt. Start the
engine again.
Malfunction of fuel system. The
fuel is mixed with water.
Clean fuel tank filter and fuel pipe, change fuel.
The fuel becomes thick and easy
to flow.
Use the specific fuel.
There is air in the fuel system.
Drain out the air and tighten each connector of fuel pipe.
Combustion is not complete.
The spray nozzle is not good, delivery angle is not correct, gas-
ket of cylinder head is leaky and the pressure of compression is
not enough. Fix the cause.
Diesel fuel delivery is interrupted.
Diesel fuel is too little in the fuel tank. Fill the fuel into the fuel
tank. If the fuel pipe and fuel are obstructed or leaky, remedy
them.
Compression pressure is not
enough in the cylinder, the nut of
cylinder head is not tighten or gas-
ket of cylinder is damaged or
leaky.
Tighten the nut of cylinder head, according to diagonal line se-
quence and standard requirement, check gasket of cylinder, if
changing the gasket, tighten the nut of cylinder head once again
after prerunning the diesel engine.
The gap of piston ring is too big
because of wear.
Change the piston ring.
Each gap of piston rings line up
and cause leakage.
Set each gap of piston at angle of 120°.
The piston rings are sticked
seriously or broken.
Clean with diesel fuel or change rings.
Gas valve leakage.
Grind the gas valves, if the vestige is too deep, please send it to
factory for remedy.
The valve stem is clipped on
guide pipe.
Disassemble the gas valve and clean the stem and guide pipe.
© by WilTec Wildanger Technik GmbH
Seite 21
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