Craftsman 917.270911 Owner's Manual page 20

ENGINE COOUNG FINS
Remove any dust, dirt or oil from engine
cooling fins to prevent engine damage
from overheating. Air guide covers must
be removed. Remove side panels and
hood (See "TO REMOVE HOOD AND
GRILL ASSEMBLY" in the Service and
Adjustments section of this manual).
Top Air Gu__
Cover _ ..
Engine Cooling
Fins
Cover
(Both
Sides)
AIR FILTER
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 cartddge.
• Reinstall cover and secure with
knob(s).
TO SERVICE CARTRIDGE
• Remove wing nuts and cartridge plate.
• Carefully remove cartddge to prevent
debds from entedng carburetor.
• Clean cartridge by tapping gently on flat
surface, if very dirty or damaged,
replace cadddge.
• Reinstall cartridge plate, wing nuts,
precleaner, cover and secure with
knob(s).
IMPORTANT: Petroleum solvents, such
as kerosene, are not to foe used to clean
the cartridge. They may cause deteriora-
tion of the cartridge. Do not oil cartridge.
Do not use pressurized air to clean or dry
cartddge.
Cover
Knob
Cartridge
Wing Nut Plate
Foam
Pre-Clsaner
Air Scre_
Cartridge
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could
create a fire hazard and/or damage.
SPARK PLUGS
Replace spark plugs at the beginning of
each mowing season or after every 100
hours of operation, whichever occurs first.
Spark plug type and gap setting are
shown in "PRODUCT SPECIFICATIONS"
section of this manual.
IN-LINE FUEL FILTER
The fuel filter should be replaced once
each season. If fuel filter becomes
clogged, obstructing fuel flow to carbure-
tor, replacement is required.
• With engine cool, remove filter and plug
fuel line sections.
• Place new fuel filter in position in fuel
line with arrow pointing towards
carburetor.
• Be sure there are no fuel line leaks and
clamps are propedy positioned.
• Immediately wipe up any spilled
gasoline.
Clamp ,_,. .,
l..pt¢u t tl_
_1 Filter
2O