Generac Power Systems iQ3600DF Owner's Manual page 22

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
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.
Clean Spark Arrestor Screen
The engine exhaust muffler has a spark arres-
tor screen. Inspect and clean the screen every
100 hours or six (6) months, whichever comes
first.
To service spark arrestor:
1. See Figure 4-8. Remove exhaust panel (A)
by removing screws using a Philips Head
screwdriver.
Figure 4-8. Remove Exhaust Panel
2. See Figure 4-9. Remove the clamp to
remove retainer.
3. Slide spark arrestor screens out from the
muffler outlet tube.
4. 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.
5. Replace the screens, and retainer, and
secure with clamp.
Figure 4-9. Spark Arrestor Screen
20
WARNING
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.
Check valve clearance after the first fifty-hours
of operation. Adjust as necessary.
• Intake — 0.10 ± 0.02mm (cold), (0.004" ±
0.001" inches)
• Exhaust — 0.10 ± 0.02mm (cold) (0.004" ±
0.001" inches)
(000108)
Storage
General
A
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-
019915
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.
Prepare Fuel System/Engine for
Storage
Fuel stored over 30 days can go bad and
damage fuel system components. Keep fuel
fresh, use fuel stabilizer.
005487
If fuel stabilizer is added to fuel system, pre-
pare and run engine for long term storage.
Run engine for 10-15 minutes to circulate sta-
bilizer throughout fuel system. Adequately
prepared fuel can be stored up to 24 months.
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.
WARNING
Risk of Fire. Verify machine has properly
cooled before installing cover and storing
machine. Hot surfaces could result in fire.
WARNING
Vision Loss. Eye protection is required to
avoid spray from spark plug hole when
cranking engine. Failure to do so could
result in vision loss.
Owner's Manual for Portable Generator
(000143)
(000109)
(000181)