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CLEAN/REPLACE SPARK PLUG
SERVICE AIR CLEANER
I A CAUTION: NEVER RUN THIS UNIT WITHOUTTHE 1
COMPLETE AIR CLEANER SYSTEM INSTALLED|
ON THE ENGINE. THIS COULD RESULT IN FRE-/
MATURE WEAR TO THE ENGINE. /
Your engine will not run properly and may be damaged if
you run it using a dirty air cleaner.
Clean or replace the air cleaner paper filter (Fig. 25) once
every 25 hours of operation or once a year, whichever'
comes first. Clean or replace more often if operating under
dusty or dirty conditions. Clean foam pre-filter every 25
hours of operation or sooner under dusty conditions.
Change the spark plug every 100 hours of operation or
once each year, whichever comes first. This willhelp your
engine to start easier and run better° Replace with Cham-
pion RC12YC or equivalent type spark plug.. Set spark plug
gap 0.030 inch (0.76mm).
CLEAN SPARK ARRESTOR SCREEN
The engine exhaust muffler has a spark arrestor' screen.
Inspect and clean the screen every 100 hours of operation
or once each year, whichever comes first.
WARNING; LET THE MUFFLER COOL BEFORE l
WORKING ON IT. CONTACT WITH A HOT MUF-
FLER OR ENGINE CAN CAUSE SEVERE BURNS.
To clean or replace foam pre-filter:
= Remove air cleaner cover, then foam pre-filter.
,, Wash pre-filter insoap water. Squeeze pre-cleaner dry
in clean cloth (DO NOT TWIST).
,, Clean air cleaner cover before installing iL
To clean or replace paper air filter:
,, Remove air cleaner cover; then remove foam pre4ilter
(service if necessary) and remove paper filter.
,, CleanairfilterbytappingitgenUyonasolidsurface. If
the filter is too dirty, replace it with a new one. Dispose
of the old filter properly.
• Clean air cleaner cover then insert pre-filter into cover.
Next insert new paper filter into cover to hold pre-filter
in place and assemble all of them to the base of the air
NOTE: If you use your pressure washer on any forest-cov-
ered, brush-covered or grass-covered unimproved land, it
must have a spark arrestor. The spark arrestor must be
maintained in good condition by the owner/operator.
Clean and inspect the spark arrestor as follows:
o To remove the muffler guard from the muffler, remove
the three screws that connect the guard to the muffler
bracket (Fig. 26).
Remove four screws that attach the spark arrestor
Inspect screen and replace if torn, perforated or other_
wise damaged. DO NOT USE a defective screen° If
screen is not damaged, clean it with commercial sol-
Reattach tile screen and the muffler guard,