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9. Maintenance
English
■ MUFFLER
• 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,
lithium-based grease in the gear case. At every 25
hours of use, supply the gear case with new grease.
(MA5)
• Remove the cutter holders before installing new
grease to arrange for old grease to exit. (MA7)
• 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.
NOTE
WARNING
(1)
MA4
MA5
MA6