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9. Maintenance
■MUFFLER
WARNING
MA4
(1)
MA5
MA6
•Inspect periodically, the muffler for loose fasteners, any damage or corrosion. If any sign of exhaust leakage is found, stop using the machine and have it repaired immediately.
•Note that failing to do so may result in the engine catching on fire.
■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 Public Resources Code) to equip a spark arrester when a gas powered tool is used in any forest covered, brush covered, or grass covered unimproved land. (MA4)
(1) spark arrester
■GEAR CASE
•The reduction gears are lubricated by multipurpose,
•Remove the cutter holders before installing new grease to arrange for old grease to exit. (MA7)
NOTE
•When removing and installing the holder(A), use care not to allow any dirt and dust entering in to the gear case. (MA7)
■DRIVE SHAFT (MA6)
•The drive shaft is lubricated by multipurpose lithium- based grease (NLGI No.2). Pull out the shaft from the pipe and supply new grease every 50 hours of use or more often depending on the job condition.
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