Stihl WP 300.0 Gebrauchsanleitung Seite 28

English
17 Troubleshooting
17.1 Remedying Water Pump Faults
Fault
Engine cannot be
started.
Engine difficult to
start or engine power
deteriorating.
Engine overheating.
Engine running
roughly.
Engine stops during
operation.
Heavy smoke forma‐
tion.
Excessive vibration
during operation.
28
Cause
Insufficient fuel in fuel
tank.
Carburettor overhea‐
ting.
Carburettor iced up.
Main switch set to
position 0.
Inferior, dirty or old
fuel in tank.
Spark plug socket is
detached from spark
plug or ignition lead is
not properly fastened
to socket.
Spark plug is dirty,
damaged or elect‐
rode gap is incorrect.
Engine flooded.
Air filter dirty.
Oil level in engine too
low.
Water in fuel tank
and carburettor or
carburettor is
blocked.
Fuel tank contamina‐
ted.
Spark plug dirty.
Incorrect fuel used.
Air filter dirty.
Cooling ribs dirty.
Incorrect fuel used.
Insufficient fuel in fuel
tank.
Air filter dirty.
Oil level in engine is
too low and oil press‐
ure sensor stops
engine.
Insufficient fuel in fuel
tank.
Oil level in engine is
too high.
Air filter dirty.
Vibration dampers
worn.
Remedy
► Refuel water pump.
► Allow water pump to cool down.
► Allow water pump to warm up.
► Press main switch.
► Use fresh, good quality fuel (unleaded petrol).
► Clean carburettor.
► Clean fuel line.
► Clean or replace spark plug.
► Check connection between ignition lead and plug.
► Clean or replace spark plug.
► Adjust electrode gap.
► Remove spark plug and dry; set main switch to 0 and
pull starter rope repeatedly with spark plug removed.
► Clean or replace air filter.
► Add engine oil.
► Empty fuel tank, clean fuel line and carburettor.
► Clean fuel tank.
► Clean or replace spark plug.
► Check fuel.
► Clean or replace air filter.
► Clean cooling ribs.
► Check fuel.
► Refuel water pump.
► Clean or replace air filter.
► Top up engine oil.
► Refuel water pump.
► Drain engine oil.
► Clean or replace air filter.
► Replace vibration dampers.
17 Troubleshooting
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