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F10-5
F10-6
F10-7
.025 in
0.6 mm
F10-8
F10-9
44
English
10. Maintenance
■ MONTHLY MAINTENANCE
FUEL FILTER
When the engine runs short of fuel supply, check the
fuel filter for blockage. (F10-5)
(1) Fuel filter
OIL STRAINER
Drain the oil tank and remove the oil strainer located
near the spark plug. Check the condition and clean if
necessary. (F10-6)
(1) Oil strainer
SPARK PLUG
Starting failure and mis-firing are often caused by a
fouled spark plug. Clean the spark plug and check that
the plug gap is in the correct range. (F10-7)
Replacement plug:
Champion RCJ-8Y (noise-proof) or CJ-8Y
NGK BPMR6A
DRIVE SPROCKET
Periodically check the drive sprocket for wear and
damage, and replace when the teeth have worn over
0.04 inch, or when any damage has been observed.
(F10-8)
HANDLE MOUNTING JOINTS
Inspect the handle mounting joints and replace when
any adhered part is peeled off or a crack is observed
on the rubber part. Also replace when the inside of the
rear damper metal has worn remarkably.
SPARK ARRESTER
RedMax engines are equipped with a spark arresting
screen at the exhaust port. Periodically check and
keep it in good condition.
In the State of California it is required by law (Section
4442 of the California Public Resources Code) to have
a spark arrester when a gas powered tool is used in
any forest covered, brush covered, or grass covered
unimproved land. (F10-9)
(1) Spark arrester
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