Maintenance - Storage
A- Spark plug
B- Spark plug boot
( c) Inspect spark plug for damage and clean with a wire brush before reinsta Iii ng. Rep lace if
damaged.
(d)Adjust the electrode gap to 0.028" to 0.031" (0.7 to 0.8 mm).
(e) Seat spark plug in position and thread by hand to prevent cross threading.
(f) Tighten plug with provided wrench and put the spark plug boot back on spark plug.
SIDE ELECTRDDE
0.028-0.031 in
(0.7-0.8 mm)
SEALING
WASHER
SPARK PLUG: FIRMAN P/N 330723001 or CHAMPION N9YC
Maintenance Valve Clearance
Intake: 0.004 - 0.006 in. (0.10 - 0.15 mm)
Exhaust: 0.004 - 0.006 in. (0.10 - 0.15 mm)
Muffler and Spark Arrester
~
WARN INC! Contact with muffler area could cause burns resulting in serious injury.
• Do not tough hot parts.
• It is a violation of California Public Resource Code, Section 4442, to use or operate the engine
on any forest-covered, brush-covered, or grass-covered land unless the exhaust system is
equipped with a spark arrester, as defined in Section
4442, maintained in effective working
order. Other states or federal jurisdictions may have similar laws, reference Federal
Regulation 36 CFR Part 261.52.
English 24
Customer Service 1-844-FIRMAN1
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