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9. Maintenance
O IMPORTANT
Note that using any spark plugs other than those
designated may result in the engine failing to
operate
properly
or in the engine
becoming
overheated and damaged.
To install the spark plug, first turn the plug until it is
finger tight, then tighten it a quarter turn more with a
socket wrench.
E MUFFLER
À WARNING
Inspect periodically, the muffler for loose fasteners,
any damage or corrosion.
If any sign of exhaust
leakage is found, do not use the blower and have it
repaired immediately.
Note that failing to do so may result in the
engine catching on fire.
O IMPORTANT
Before starting operation, always make sure to
check if the muffler is properly held by three bolts to
the cylinder. (Fastening Torque : 8~12 N-m)
Even if one bolt out of three bolts is loose, the
muffler may get loose during operation which may
result in engine catching on fire.
E PROCEDURES
TO BE PERFORMED
AFTER
—
Nm
EVERY 100 HOURS OF USE
. Remove
the muffler, insert a screwdriver into the
vent, and wipe away any carbon buildup. Wipe away
any carbon buildup on the muffler exhaust vent and
cylinder exhaust port at the same time.
. Tighten all screws, bolts, and fittings.
E SPARK ARRESTER
The muffler is equipped with a spark arrester to
prevent red hot carbon from flying out of the exhaust
outlet. Periodically inspect and clean as necessary
with a wire brush. In the State of California it is
required by law (Section 4442 of the California Pulic
Resources Code) to equip a spark arrester when a
gas powered tool is used in any forest covered, bush
covered, or grass covered unimproved land.
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