Poulan Pro 176038 Owner's Manual page 17

CUSTOMER RESPONSIBILITIES
CLEAN AIR SCREEN (See Fig. 13)
Air 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. 13)
Remove any dust, dirt or oil from engine cooling fins to
prevent engine damage from overheating.
• Remove oil fill cap/dipstick.
• Remove hex bolts from blower housing and lift housing
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.
HEX BLOWER HOUSING
BOLTS
AIR SCREEN
OILL FILL/
DIPSTICK
TUBE
ENGINE COOLING FINS
HEX
BOLTS
SPARK
PLUG
FIG. 13
AIR FILTER (See Fig. 14)
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.
COVER
KNOB
COVER
FOAM
PRE-CLEANER
17
CARTRIDGE
NUT
PAPER
CARTRIDGE
BASE
FIG. 14