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. 13) once
every 25 hours of operation or once a year, whichever
comes first. Clean or replace mere often if operating under
dusty or dirty conditions.
Clean foam pre-filter every 25
hours of operation or sooner under dusty conditions.
I
CAUTION: NEVER RUN THIS UNIT WITHOUT THE
A
COMPLETE AIR CLEANER SYSTEM INSTALLED
ON THE ENGINE. THIS COULD RESULT IN PRE-
MATURE WEAR TO THE ENGINE.
PAPER FILTER
PRECLEANER
FIG. 13
Change the spark plug every 100 hours of operation or
once each year, whichever comes first. This will help your
engine to start easier and run better.
Replace with Cham-
pion RC12YC or equivalent type spark plug. Set spark plug
gap (Fig. 14) 0.030 inch (0.76mm).
/
"_.030"
FEELER GAUGE
/_
(0.76mm)
FIG. 14
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.
p
WARNING:
LET THE MUFFLER COOL BEFORE I
A
WORKING ON IT. CONTACT WITH A HOT MUF-
FLER OR ENGINE CAN CAUSE SEVERE BURNS.
NOTE: If you use your generator on any forest-covered, brush°
covered or grass-coveredunimprovedland, it must have a spark
arrestor. The spark arrestormustbe maintainedin goodcondition
by the owner/operator.
•
Clean and inspect the spark arrestor as follows:
•
To remove the heat shield from the muffler (Fig. 15),
remove the nine screws that connect the shield to the
muffler.
To clean or replace foam pre-filter:
*
Remove air cleaner cover, then foam pre-tilter.
•
Wash pre-filter in soap water. Squeeze pre-c eaner dry
in clean cloth (DO NOTTWlST).
Saturata pre-c eaner
in clean engine oil and then wrap pre-ti tern 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-fi ter
Iservice if necessary) and remove paper tilter.
,
Clean air filter by tapping it gently on a solid surface. If
the filter is too durty replace it with a new one. D spose
of the o d f Iter properly.
b
Clean air cleaner cover then insert pre-filter into cover.
Next insert new paper filter into cover to hod pre-filter
in place and assemble all of them to the base of the air
cleaner.
MUFFLER
SPARK ARRESTOR
SCREEN
Heat Shield
FIG. 15
Remove four screws
that attach the spark arrestor
screen.
Inspect screen and replace if tom, perforated
or other-
wise oamaged.
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.
10