Poulan 157469 - Manual (Page 18)

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f [LTER fSee Fig. 14i
Y&ur fcngirifc w-ii! MCI run p'^uperi/ usirig a dift/ a^i tiitti.
(dean the foam pre-r-leanei after evcoy 25 hours of opera-
iion Gf every seasori. Service paper tartridge c-s/ery 100
hours of operafion or ever/ ssason, whichever occurs firsi.
Service air cleaner more often under dusty conditions^
• Remove knob(s) and cover,
TO SERVICE PRE-CLEANER
• Slide foam pre-cleaner oft 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 en­
tering 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 P R E S S U R I Z E D A I R T O C L E A N O R D R Y
CARTRIDGE.
Cl : A.« ‘ifR SCREE- 1 - Tu. . ,
Air -screen niust fte Kept tree 'A dirt and chaff to prev'eni
engine damage from owe'-heating. Clean with a wire brush
or compressed air to reiTiCjvti dirt and stubdorr. dried gum
fibers.
ENGINE COOLING FINS (Sec- Hg. 15)
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.
18