Maintenance and Troubleshooting
14
Owner’s Manual for Power Washer
Figure 4-10. Spark Plug
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
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
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:
Use ONLY original equipment
replacement parts.
Inspect muffler for cracks, corrosion, or other
damage. Remove spark arrestor, if equipped,
inspect for damage or carbon blockage.
NOTE:
Call 1-888-GENERAC (1-888-436-
3722) with questions about component
replacement.
Inspect Spark Arrestor Screen
(if equipped)
1. See
. Loosen fasteners (A) and
remove heat shield from muffler.
2. See
. Loosen fasteners (B) and
remove spark arrestor from muffler.
3. Inspect spark arrestor. Replace if torn,
perforated or otherwise damaged.
4. If screen is not damaged, clean it with a
commercial solvent and replace.
Figure 4-11. Heat Shield Fasteners
Figure 4-12. Spark Arrestor Fasteners
000134a
(000102)
WARNING
Accidental Start-up. Disconnect spark plug wire
when working on unit. Failure to do so could result
in death or serious injury.
(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.
000135
A
A
000136
B
