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STORAGE
WARNING: When draining the fuel, be sure to stop the engine and confirm that the engine cools
down.
Just after stopping the engine, it may still hot with possibility of burns, inflammability
and fire.
ATTENTION: When the machine is kept out of operation for a long time, drain up all fuel from the
– Drain up fuel from the fuel tank and carburetor according to the following
procedure:
1) Remove the fuel tank cap, and drain fuel completely.
If there is any foreign matter remaining in the fuel tank, remove it
completely.
2) Pull out the fuel filter from the refill port using a wire.
3) Push the primer pump until fuel is drained from there, and drain fuel
coming into the fuel tank.
4) Reset the filter to the fuel tank, and securely tighten the fuel tank cap.
5) Then, continue to operate the engine until it stops.
– Remove the spark plug, and drip several drops of engine oil through the
spark plug hole.
– Gently pull the starter handle so that engine oil will spread over the engine,
and attach the spark plug.
– Attach the cover to the cutter blade.
– In general, store the machine in horizontal position, or if it is not possible,
place the machine as the engine comes below the cutting tool. Otherwise
engine oil may leak from inside. Pay full attention how to store the machine to
prevent the machine from falling. Otherwise it may result in personal injury.
– Keep the drained fuel in a special container in a well-ventilated shade.
Attention after long-time storage
– Before startup after long-time shutdown, be sure to replace oil (refer to P 20). Oil will deteriorate while the machine is kept out of
operation.
Fault location
Fault
Engine not starting or with
difficulty
Warm start problems
Engine starts but dies
Insufficient performance
fuel tank and carburetor, and keep it at a dry and clean place.
System
Observation
Ignition system
Ignition spark O.K.
No ignition spark
Fuel supply
Fuel tank filled
Compression
No compression when
pulled over
Mechanical fault
Starter not engaging
Tank filled ignition spark
existing
Fuel supply
Tank filled
Several systems may
Engine idling poor
simultaneously be
affected
Drain fuel
Cause
Fault in fuel supply or compression system, mechanical
defect
STOP-switch operated, wiring fault or short circuit, spark
plug or connector defective, ignition module faulty
Incorrect choke position, carburetor defective, fuel supply
line bent or blocked, fuel dirty
Cylinder bottom gasket defective, crankshaft seals
damaged, cylinder or piston rings defective or improper
sealing of spark plug
Broken starter spring, broken parts inside of the engine
Carburetor contaminated, have it cleaned
Incorrect idling adjustment, carburetor contaminated
Fuel tank vent defective, fuel supply line interrupted,
cable or STOP-switch faulty
Air filter contaminated, carburetor contaminated, muffler
clogged, exhaust duct in the cylinder clogged
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