Stihl MH 600 - Troubleshooting; Remedying Tiller Faults

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English 18 Troubleshooting
18.1 Remedying Tiller Faults
18 Troubleshooting
Fault Cause Remedy
Engine cannot be started. Insufficient fuel in fuel
tank.
► Refuel tiller.
Main switch set to 0
position.
► Press main switch.
Inferior, dirty or old fuel in
tank.
► Use fresh, good quality unleaded petrol.
► Clean carburettor.
► Clean fuel line.
Spark plug socket
detached from spark plug
or ignition lead not
properly fastened to
socket.
► Connect spark plug socket.
► Check connection between ignition lead and plug.
Spark plug dirty, damaged
or electrode gap incorrect.
► Clean or replace spark plug.
► Adjust electrode gap.
Oil bath air filter dirty. ► Clean or replace oil bath air filter.
Engine flooded. ► Remove spark plug and dry; set main switch to 0 and pull starter
rope repeatedly with spark plug removed.
Carburettor iced up. ► Allow tiller to warm up to +10 °C.
Engine difficult to start or
engine power
deteriorating.
Water in fuel tank and
carburettor or carburettor
blocked.
► Empty fuel tank, clean fuel line and carburettor.
Fuel tank contaminated. ► Clean fuel tank.
Oil bath air filter dirty. ► Clean or replace oil bath air filter.
Spark plug dirty. ► Clean or replace spark plug.
Incorrect fuel used. ► Check fuel.
Engine overheating. Cooling ribs dirty. ► Clean cooling ribs.
Oil level in engine too low. ► Top up engine oil.
Surface of engine covered
in earth.
► Remove earth from engine.
Engine speed too high. ► Reduce speed.