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17
MAINTENANCE
FIG. 13
CLEAN AIR SCREEN
Air screen must be kept free of dirt and chaff to prevent
engine dam age from overheating. Clean with a wire brush
or compressed air to re move dirt and stubborn dried gum
fi bers.
FIG. 12
AIR CLEANER COVER
SCREWS
GASKETS
BREATH ER
TUBE
CAR BU RE TOR
TUBE
MUFFLER
SPARK
PLUG
CYLINDER
HEAD
COVER
COOLING FINS
SCREW
SCREW
BLOWER
HOUSING
ENGINE COOLING FINS (See Fig. 12)
Remove any dust, dirt or oil from engine cooling fi ns to
prevent engine damage from overheating. Hood and
engine blower housing must be removed to clean engine
cooling fi ns.
• Remove hood (See “TO REMOVE HOOD AND GRILL
ASSEMBLY” in the Ser vice and Adjustments sec tion
of this manual).
• Remove screws securing air cleaner body and re move.
(Cover carburetor opening to prevent entry of dirt).
• Remove oil fi ll dipstick and cover opening to prevent
entry of dirt.
• Remove screws from blower housing and lift housing
off engine.
• Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fi ns.
• To reassemble, reverse above procedure.
• Be certain carburetor tube, breather tube and gaskets
are in place.
AIR FILTER (See Fig. 13)
Your engine will not run properly using a dirty air fi lter.
Remove cartridge every 25 hours of operation and tap to
clean. Replace paper car tridge once a year or after every
100 hours of operation, more often if used in very dusty,
dirty conditions.
• Remove knobs and cover.
• Remove foam pre-cleaner element by sliding it off of
the paper cartridge.
NOTE: Do not attempt to clean or oil the paper cartridge.
Replace paper cartridge once a year or after every 100
hours of operation; more often if used in very dusty or dirty
conditions.
• Wash foam pre-cleaner in liquid detergent and water.
• Wrap foam pre-cleaner in cloth and squeeze dry.
• Lightly coat foam pre-cleaner with clean engine oil.
Squeeze in towel to remove excess oil. Do not sat-
u rate.
• Install foam pre-cleaner over paper cartridge.
• Reassemble cover and tighten knobs securely.
COVER KNOBS
OIL DRAIN PLUG
AIR SCREEN
OIL FILL CAP/DIPSTICK
AIR
CLEANER
BODY
FOAM
PRE-CLEAN ER
CARTRIDGE
AIR
CLEANER
COVER