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EBZ7500/ EBZ7500RH
9.
Maintenance
IMPORTANT
• Note that using any spark plugs other than those
designated may result in the engine failing to oper-
ate 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.
MUFFLER
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 en-
gine catching on fire.
IMPORTANT
• Before starting operation, always make sure to
check if the muffler is properly held by three bolts to
the cylinder and crank case.
(Fastening Torque : 8~12 N·m)
• Also make sure that the spark arrester and the dif-
fuser are properly attached with four bolts
(Fastening Torque : 2~3 N·m)
• Even if one of seven bolts is loose, it may result in
engine catching on fire.
SPARK ARRESTER
• The muffler is equipped with a spark arrester to pre-
vent red hot carbon from flying out of the exhaust
outlet. Periodically inspect and clean as necessary
with a wire brush.
(1)
Bolt
(2)
Bolt
(3)
Spark Arrester
(4)
Diffuser
13
9. Maintenance
PROCEDURES TO BE PERFORMED AFTER
EVERY 100 HOURS OF USE
1. Remove the muffler, insert a screwdriver into the ex-
haust port, and wipe away any carbon buildup. Wipe
away any carbon buildup on the muffler exhaust
opening and cylinder exhaust port at the same time.
2. Tighten all screws, bolts, and fittings.
AIR INLET NET
IMPORTANT
• Blowing air is taken in from the air inlet net. When
air flow has dropped down during operation, stop
the engine and inspect the air inlet net for blocking
by obstacles.
• Note that failure to remove any such obstacles may
result in the engine becoming overheated and dam-
aged.
(1)
Net
WARNING
Never use the blower without the net of the blow-
er. Before each use, check that the net is attached
in place and is free from any damage.
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