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down.
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ATTENTION: When the machine is kept out of operation for a long time, drain up all fuel from the
fuel tank and carburetor, and keep it at a dry and clean place.
Fault location
– 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.
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3) Push the primer pump until fuel is drained from there, and drain fuel
coming into the fuel tank.
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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.
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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
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– Keep the drained fuel in a special container in a well-ventilated shade.
Drain fuel
Humidity
STORAGE
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
System
Observation
Cause
Engine not starting or with
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Ignition system
Ignition spark O.K.
Fault in fuel supply or compression system, mechanical
defect
No ignition spark
STOP-switch operated, wiring fault or short circuit, spark
plug or connector defective, ignition module faulty
Fuel supply
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Incorrect choke position, carburetor defective, fuel supply
line bent or blocked, fuel dirty
Compression
No compression when
pulled over
Cylinder bottom gasket defective, crankshaft seals
damaged, cylinder or piston rings defective or improper
sealing of spark plug
Mechanical fault
Starter not engaging
Broken starter spring, broken parts inside of the engine
Warm start problems
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existing
Carburetor contaminated, have it cleaned
Engine starts but dies
Fuel supply
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Fuel tank vent defective, fuel supply line interrupted,
cable or STOP-switch faulty
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Several systems may
simultaneously be
affected
Engine idling poor
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clogged, exhaust duct in the cylinder clogged
