NOTE: Replace spark plug if electrodes are
pitted, burned or porcelain is cracked. Use
ONLY recommended replacement plug. See
Product Specifications Sheet.
4. Install spark plug finger tight, and tighten
an additional 3/8 to 1/2 turn using spark
plug wrench.
Inspect Engine Spark
WARNING
Accidental Start-up. Disconnect spark plug wire
when working on unit. Failure to do so could result
in death or serious injury.
1. Disconnect spark plug wire from spark
plug.
2. Secure spark plug wire where it cannot
contact spark plug.
3. Test spark plug with approved spark plug
tester.
NOTE: DO NOT inspect for spark with spark
plug removed.
Inspect Muffler And Spark Arrestor
(if equipped)
NOTE: 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
arrestor, as defined in Section 4442, maintained
in effective working order. Other states or
federal jurisdictions may have similar laws.
NOTE: Call 1-888-GENERAC (1-888-436-
3722)
with
questions
replacement.
NOTE:
Use
ONLY
replacement parts.
Inspect muffler for cracks, corrosion, or other
damage. Remove spark arrestor, if equipped,
inspect for damage or carbon blockage. If
replacement parts are required.
Inspect Spark Arrestor Screen
(if equipped)
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.
1. See
Figure
4-14. Remove muffler from cyl-
inder.
2. Remove screws to remove muffler protec-
tor (A).
3. Remove screws to remove spark arrestor
(B).
Owner's Manual for Power Washer
(000102)
about
component
original
equipment
(000108)
Maintenance and Troubleshooting
4. Use a brush to carefully remove debris
from spark arrestor screen without causing
damage. Replace screen if there are holes
or damage.
5. Install spark arrestor and muffler protector.
B
Figure 4-14. Remove Spark Arrestor
Storage
General
DANGER
Explosion and Fire. Fuel and vapors are extremely
flammable and explosive. Add 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.
• DO NOT place a storage cover on a hot
power washer. Allow unit to cool to room
temperature 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
problems.
• Cover unit with a suitable protective,
moisture resistant cover.
• Store unit in a clean and dry area.
• Always store power washers and fuel away
from heat and ignition sources.
Prepare Fuel System for Storage
Fuel stored over 30 days can go bad and
damage fuel system components. Keep fuel
fresh, use fuel stabilizer.
If fuel stabilizer is added to fuel system,
prepare and run engine according to
Washer
Start-Up. Run engine for 2 minutes to
circulate stabilizer throughout fuel system.
Adequately prepared fuel can be stored up to
24 months.
A
010775
(000105)
(000109)
Power
15