Inspect Muffler And Spark Arrester - Firman H08053 Owner's Manual

A- Spark plug
B- Spark plug cap
( c) Inspect spark plug for damage and clean
with a wire brush before reinstalling (d) Adjust the
electrode gap to 0.7 to 0.8 mm
(0.028" to 0.031").
(e) Seat spark plug in position and thread by hand
to prevent cross threading. (f) Tighten plug with
provided wrench and put the cap back on spark
plug.
SPARK PLUG: TORCH F6RTC
NGK BPR6ES
CHAMPION RN9YC equivalent.
Maintenance Valve Clearance
- Intake: 0.1 - 0.15 mm (0.004 - 0.006 in.)
- Exhaust: 0.1 - 0.15 mm (0.004 - 0.006 in.)

Inspect Muffler and Spark Arrester

Inspect the muffler for cracks, corrosion, or other
damage. Remove the spark arrester, if equipped,
and inspect for damage or carbon blockage. If
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replacement parts are required, make sure to use
only original equipment replacement parts.
WARNING
Exhaust heat/gases could ignite combustibles,
structures or damage fuel tank causing a fire,
resulting in death or serious injury and/or property.
Contact with muffler area could cause burns
resulting in serious injury.
•
DO NOT touch hot parts and AVOID hot
exhaust gases.
•
Allow equipment to cool before touching.
•
Keep at least 5 feet (1.5 m) of clearance on all
sides of generator including overhead.
•
Replacement parts must be the same and
installed in the same position as the original
parts.
Clean or replace spark arrester as
follows:
Depending on the type fuel used ,the type and
amount of lubricant used, and/or your operating
conditions, the exhaust part and muffler may
become blocked with carbon deposits. If you notice
power loss, you may need to remove these deposits
to restore performance.
1. Allow the engine to cool completely
before servicing the spark arrester.
Customer Service: 1-844-FIRMAN1Page