Owner’s Manual for Portable Generator 15
arrestor, as defined in Section 4442, main-
tained in effective working order. Other states
or federal jurisdictions may have similar laws.
Contact original equipment manufacturer,
retailer, or dealer to obtain a spark arrestor
designed for exhaust system installed on this
engine.
NOTE: Use ONLY original equipment replace-
ment parts.
Inspect muffler for cracks, corrosion, or other
damage. Remove spark arrestor, if equipped,
inspect for damage or carbon blockage.
Replace parts as required.
Inspect Spark Arrestor Screen
Clean Spark Arrestor Screen
The engine exhaust muffler has a spark arres-
tor screen. Inspect and clean the screen every
50 hours of operation or every season, which-
ever comes first.
To service spark arrestor:
1. Stop the unit and let it cool for several min-
utes.
2. See Figure 4-7. Remove the screws hold-
ing the muffler cover in place.
Figure 4-7.Remove Screws
3. See Figure 4-8. Remove the clamp to
remove retainer.
Figure 4-8.Spark Arrestor Screen
4. Slide spark arrestor screens out from the
muffler outlet tube.
5. Inspect screens and replace if torn, perfo-
rated or otherwise damaged. Do NOT use
a defective screen. If screen is not dam-
aged, clean with a commercial solvent.
6. Replace the screens, and retainer, and
secure with clamp.
7. Replace muffler cover and install screws.
Valve Clearance
Important: Please contact an Independent
Authorized Service Dealer for service assis-
tance. Proper valve clearance is essential for
prolonging the life of the engine.
• Intake — 0.06 ± 0.10 mm (cold), (0.002 ±
0.004 in)
• Exhaust — 0.08 ± 0.12 mm (cold) (0.003 ±
0.005 in)
Storage
General
It is recommended to start and run the genera-
tor for 30 minutes, every 30 days. If this is not
possible, refer to the following list to prepare
unit for storage.
• DO NOT place a storage cover on a hot
generator. Allow unit to cool to room tem-
perature before storage.
• DO NOT store fuel from one season to
another unless properly treated.
• Replace fuel container if rust is present.
Rust in fuel will cause fuel system prob-
lems.
• Cover unit with a suitable protective, mois-
ture resistant cover.
• Store unit in a clean, dry area.
• Always store generator and fuel away from
heat and ignition sources.
(000108)
WARNING
Hot Surfaces. When operating machine, do not
touch hot surfaces. Keep machine away from
combustibles during use. Hot surfaces could
result in severe burns or fire.
(000143)
DANGER
Explosion and Fire. Fuel and vapors are extremely
flammable and explosive. Store fuel in a well
ventilated area. Keep fire and spark away. Failure
to do so will result in death or serious injury.
(000109)
WARNING
Risk of Fire. Verify machine has properly
cooled before installing cover and storing
machine. Hot surfaces could result in fire.
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