17
CUSTOMER RESPONSIBILITIES
AIR FILTER (See Fig. 12)Your engine will not run properly using a dirty air filter. Clean
the foam pre-cleaner after every 25 hours of operation or
every season. Service paper cartridge every 100 hours of
operation or every season, whichever occurs first.
Service air cleaner more often under dusty conditions.
• Remove knob(s) and cover.
TO SERVICE PRE-CLEANER
• Slide foam pre-cleaner off cartridge.
• Wash it in liquid detergent and water.
• Squeeze it dry in a clean cloth.
• Saturate it in engine oil. Wrap it in clean, absorbent cloth
and squeeze to remove excess oil.
• If very dirty or damaged, replace pre-cleaner.
• Reinstall pre-cleaner over cartridge.
• Reinstall cover and secure with knob(s).
TO SERVICE CARTRIDGE
• Remove cartridge nut.
• Carefully remove cartridge to prevent debris from enter-
ing carburetor. Clean base carefully to prevent debris
from entering carburetor.
• Clean cartridge by tapping gently on flat surface. If very
dirty or damaged, replace cartridge.
• Reinstall cartridge, nut, precleaner, cover and secure
with knob(s).
IMPORTANT: PETROLEUM SOLVENTS, SUCH AS
KEROSENE, ARE NOT TO BE USED TO CLEAN THE
CARTRIDGE. THEY MAY CAUSE DETERIORATION OF
THE CARTRIDGE. DO NOT OIL CARTRIDGE. DO NOT
USE PRESSURIZED AIR TO CLEAN OR DRY CARTRIDGE.
CARTRIDGE
NUT
COVER
KNOB
FOAM
PRE-CLEANER
PAPER
CARTRIDGE
COVER
BASE
FIG. 12
CLEAN AIR SCREENAir screen must be kept free of dirt and chaff to prevent
engine damage from overheating. Clean with a wire brush or
compressed air to remove dirt and stubborn dried gum fibers.
ENGINE COOLING FINS (See Fig. 11)Remove any dust, dirt or oil from engine cooling fins to
prevent engine damage from overheating.
• Remove screws from blower housing and lift housing
and dipstick tube assembly off engine.
• Cover oil fill opening to prevent entry of dirt.
• Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fins.
• To reassemble, reverse above procedure.
SCREWS
SCREWS
FIG. 11
AIR SCREEN
BLOWER
HOUSING
SPARK
PLUG
OIL FILL
TUBE
ASSEMBLY
ENGINE COOLING FINS