English Customer Service: 1-844-FIRMAN1
( c) Inspect spark plug for damage and clean with a wire brush before reinstalling. Replace if
damaged.
(d) Adjust the electrode gap to 0.028 - 0.031 in. (0.7 - 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.
SPARK PLUG: TORCH F6RTC, NGK BPR6ES, CHAMPION RN9YC or equivalent.
Maintenance Valve Clearance
Muffler and Spark Arrester
•
•
WARNING!
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.
24
Maintenance - Storage
A- Spark plug
B- Spark plug boot
A
B
0.028 - 0.031 in.
(0.7 - 0.8 mm)
SIDE ELECTRODE
SEALING
WASHER
Intake:
(
)
Exhaust: 0.004 – 0.008 in. (0.10 – 0.20 mm)
0.004 – 0.008 in. 0.10 – 0.20 mm
Summary of Contents for P08008
Page 7: ...English Customer Service 1 844 FIRMAN1 06 FEATURES AND CONTROLS ...
Page 8: ...English Customer Service 1 844 FIRMAN1 07 FEATURES AND CONTROLS ...
Page 9: ...English Customer Service 1 844 FIRMAN1 08 FEATURES AND CONTROLS ...
Page 31: ...PARTS DIAGRAM AND PART LIST P08008 PARTS DIAGRAM English Customer Service 1 844 FIRMAN1 30 ...
Page 32: ...439cc ENGINE PARTS DIAGRAM English Customer Service 1 844 FIRMAN1 31 ...