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When mounting the blade, make
sure to fasten the spacer, washer
and bolt, then fasten the nut.
SHARPENING
Always keep the file or sharpener at an
angle of 45° to the blade, and:
Always grind in the direction of the
cutting edge;
Note: files cut only in one direction; lift
the file from the blade when returning
to start a new pass;
Remove all burr from the edge of the
blade with a slip stone;
Remove as little material as possible;
Before refitting the sharpened blades,
remove filings and then apply grease.
Do not try to sharpen a damaged
blade: change it or take it to a
Service dealer.
SAFETY LOCK
Stop operation when the safety lock
is defective.
Safety lock is the device not to
accelerate the throttle lever without
intention. While pushing the safety lock,
you can accelerate the throttle lever.
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(1) safety lock
1. Check if the throttle lever does
not move when you do not push the
safety lock.
2. Check if the throttle lever moves
when you grasp or release it while
pushing the safety lock.
3. Check if the safety lock returns to
its original position when you release
your hand from safety lock.
If you find any defects at the
checks above, contact your nearest
servicing dealer for repair.
ANTI-VIBRATION SYSTEM
The deformed or damaged anti-vibration
system may cause of the breakages like
getting rickety or falling off of engine and/
or blade .
Check periodically if the springs are not
deformed or damaged.
AIR FILTER
The air filter, if clogged, will reduce
the engine performance. Check
and clean the filter element in
warm, soapy water as required. Dry
completely before installing. If the
element is broken or shrunk, replace
with a new one.
FUEL FILTER
When the engine runs short of
fuel supply, check the fuel cap
and the fuel filter for blockage.
WAY OF THE COOLING AIR
This engine is air-cooled. Dust clogging
between the inlet port of the cooling air
and cylinder fins will cause overheating
of the engine. Periodically check and
clean the cylinder fins after removing the
air cleaner and the cylinder cover.
SPARK PLUG
Starting failure and misfiring are often
caused by a fouled spark plug. Clean the
spark plug and check that the plug gap is
in the correct range. For a replacement
plug, use the correct type. Replacement
plug is a nhsp ld l8rtf.
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