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9. Maintenance
English
• Check the intake air cooling vent and the area
around the cylinder cooling fins after every 25 hours
of use for blockage, and remove any waste which
has attached itself to the machine. Note that it is
necessary to remove the engine cover shown in
(MA7) in order to be able to view the upper part of
the cylinder.
• If waste gets stuck and causes blockage around the
intake air cooling vent or between the cylinder fins, it
may cause the engine to overheat, and that in turn
may cause mechanical failure on the part of the
machine. (MA7)
(1) cylinder
(2) intake air cooling vent (back)
■ PROCEDURES TO BE PERFORMED AFTER
EVERY 100 HOURS OF USE
1. 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.
2. Tighten all screws, bolts, and fittings.
3. Check to see if any oil or grease has worked its way
in between the clutch lining and drum, and if it has
wipe it away using oil-free, lead-free gasoline.
IMPORTANT
MA7
• Aged fuel is one of major causes of engine starting
failure. Before storing the unit, empty the fuel tank
and run the engine until it uses all the fuel left in the
fuel line and the carburetor. Store the unit indoor
taking necessary measures for rust prevention.
10. Storage
English
11. Disposal
English
• When disposing your machine, fuel or oil for the
machine, be sure to allow your local regulations.