Craftsman 917270841 AIR FILTER Yourenginewill notrunproperlyusinga, Engine Cooling Fins, Spark

AIR FILTER

Yourenginewill notrunproperlyusinga

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

ENGINE COOLING FINS

Remove any dust, dirt or oil from engine cooling fins to prevent engine damage from overheating.

o Remove screws from blower housing and lift housing and dipstick tube assembly off engine.

o Cover oil fill opening to prevent entry of dirt.

=Use compressed air or stiff bristle brush to thoroughly clean engine cooling fins.

o To reassemble, reverse above proce- dure.

o Squeeze it dry in a clean cloth.

o Saturate it in engine oil. Wrap it in clean,

absorbent cloth and squeeze to remove

excess oito

o If very dirty or damaged, replace pre- cleaner°

o Reinstall pre-cleaner over cartridge.

Screws

Blower Housing Screws

air screen

•Reinstall cover and secure with knob(s).

TO SERVICE CARTRIDGE

=Remove cartridge nut.

*Carefully remove cartridge to prevent debris from entering 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.

o 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 car- tridge.

Cover

Knob

Cartridge

Cover ------Nut

Paper

Cartridge

Foame

Pre-Cleaner

_Base

DipstickTube

Assembly

Spark

Plug

Engine Cooling

MUFFLER

Inspect and replace corroded muffler and spark arrester (if equipped) as it could cre-

ate 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"

on page 5 of this manual.

nN-LBNEFUEL FILTER

The fuel filter should be replaced once each season, if fuel filter becomes

clogged, obstructing fuel flow to carbure- tor, replacement is required.

o With engine cool, remove filter and plug fuel line sections.

o Place new fuel filter in position in fuel line with arrow pointing towards carbu- retor.

o Be sure there are no fuel line leaks and clam.ps are properly positioned.

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