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16
INSPECT AND CLEAN UNIT AND
DECALS
S After each use, inspect complete unit for
loose or damaged parts. Clean the unit and
decals using a damp cloth with a mild deter-
gent.
S Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION:
Do notcleanfilter ingasolineor
other flammable solvent to avoid creating a
fire hazardor producing harmful evaporative
emissions.
Cleaning the air filter:
A dirty air filter decreases the life and perfor-
mance of the engine andincreases fuel con-
sumption and harmful emissions. Always
clean your air filter after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Clean more frequently in dusty conditions.A
used air filter can never be completely
cleaned. It is advisable to replace your airfil-
ter witha newone afterevery 50hoursof op-
eration, or annu ally, whichever comes first.
1. Loosen 3 screws on cylinder cover .
2. Remove cylinder cover .
3. Remove air filter cover and air filter.
4. Clean theair filterusinghot soapywater.
Rinsewithcleancool water.Airdrycom-
pletely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3 screws.
Tighten securely.
Air F ilter
Cover
Cylinder
Cover
Air Filter
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
As the unit is used, carbon deposits build up
on the muffler and spark arresting screen,
and must be removed t oavoid creating afire
hazard or a ffecting engine p erformance.
Replacethe spark arresting screen if breaks
occur.
Nut
Exhaust
Outlet
Cover
Muffler
Spark
Arresting
Screen
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours of op-
eration or annually, whichever comes first.
1. Loosen and remove the nut from the e x-
haust outlet cover .
2. Remove the e xhaust oulet cover.
3. Removespark arresting screen. Handle
screen carefully to prevent damage.
4. Clean the spark arresting screen gently
with a wire brush. Replace screen if
breaks are found.
5. Replace any broken or cracked muffler
parts.
6. Reinstall spark arresting screen, exhaust
outlet cover , and nut. Tighten nut securely.
REPLACE SPARK PLUG
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better . Ignition timing is fixed and non-
adjustable.
NOTE: This spark ignition system complies
with the Canadian standard ICES--002.
1. Loosen 3 screws on cylinder cover .
2. Remove the cylinder cover.
3. Pull off the spark plug boot.
4. Remove spark plug from cylinder and
discard.
5. Replace with Champion RCJ--7Y spark
plug and tighten securely with a
3
/
4
inch
(19 mm) socket wrench. Spark pluggap
should be 0.025 inch (0,6 mm).
6. Reinstall the spark plug boot.
7. Reinstall the cylinder cover and 3
screws. Tighten securely.
Spark
Plug
Cylinder
Cover
Spark
Plug Boot