Manual

MAINTENANCE
SERVICE AIR CLEANER REPLACE SPARK PLUG
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. 9) 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.
CAUTION: NEVER RUNTHIS UNIT WITHOUTTHE
COMPLETE AIR CLEANER SYSTEM INSTALLED
ON THE ENGINE. THIS COULD RESULT IN PRE-
MATUREWEAR TO THE ENGINE.
PAPER FILTER
PRECLEANER
FIG. 9
Change the spark plug every 100 hours of operation or
once each year, whichever comes first. This will help your
engine tostart easier and run better. Replace with Cham-
pion RC12YC or equivalent type spark plug. Set sparkplug
gap (Fig_10) 0.030 inch (0.76mm).
0.030" FEELER GAUGE
(0.76ram)
FIG. 10
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.
WORKING ON IT. CONTACT WITH A HOT MUF-
FLER OR ENGINE CAN CAUSE SEVERE BURNS,
NOTE: Ifyou useyourgeneratoron anyforest-covered,brush-
coveredorgrass-coveredunimprovedland, itmusthave a spark
arrestor.Thesparkarrestormustbemaintainedingoodcondition
bythe owner/operator.
• Clean and inspect the spark arrestor as follows:
• To remove the heat shield from the muffler (Fig. 11),
remove the four screws that connect the sheild to the
muffler.
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). Saturate pre-cleaner
in clean engine oil and then wrap pre-filter in clean dry
cloth to squeeze out excess oil (DO NOT TWIST).
• Clean air cleaner cover before installing it.
To clean or replace paper air filter:
• Remove air cleaner cover; then remove foam pre-filter
(service ifnecessary) and remove paper filter.
• Clean air filter by tapping it gently on a solid surface. If
the filter istoo 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
cleaner.
L_...._
1
FIG. 11
Remove four screws that attach the spark arrestor
screen.
Inspect screen and replace if tom, perforated or other-
wise dama0ed. DO NOT USE a defective screen. If
the screen is not damaged, clean it with a commercial
solvent.
• Reattach the screen and the heat shield.
8