Craftsman 917.271641 Clean AIR Screen, Engine Cooling Fins, Muffler, Spark Plugs, Specifications

Oil Drain Valve
"-Closed _Dram	Tube
and

Cap_

CLEAN AIR SCREEN

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

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

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

NOTE: If very dirty or damaged, replace pre-cleaner.

6.Reinstall pre-cleaner over cartridge.

7.Reinstall cover and secure with knob(s).

TO SERVICE CARTRIDGE

1.Remove cartridge nut.

2.Carefully remove cartridge to prevent debris from entering carburetor. Clean base carefully to prevent debris from entering carburetor.

3.Clean cartridge by tapping gently on fiat surface.

NOTE: If very dirty or damaged, replace cartridge.

4. 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 deteriorationof the cartridge. Do not oilcartridge. Do not use pressurizedair to clean or dry cartridge.

Cover

- _. Knob

2.Cover oil fill opening to prevent entry of dirt.

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

4.To reassemble, reverse above

			Cartridge
		!3	Nut
_:_
		Paper
Foam Prs-._'._		Cartridge
Cleaner	_L._...Bas		e

procedure.

Blower Housing

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

Spark

each

mowing

season

or after

every

100

Coo Ing __-

,

hours

of operation, whichever

occurs

first.

Fins

__lf

Plug

Spark plug type and gap setting are

shown

in "PRODUCT

SPECIFICATIONS"

AIR FILTER

section

of this

manual.

Your engine

will not run properly using a

IN-LINE FUEL FILTER

dirty air filter. Clean the foam pre-cleaner

The fuel filter should be replaced once

after every 25

hours of operation or every

each season.

If fuel filter becomes

season. Service paper cartridge every

clogged, obstructing fuel flow to carbure-

100 hours of operation or every season,

tor,

replacement

is required.

whichever occurs first.

1. With engine cool, remove filter and

Service air cleaner more often under

plug fuel line sections.

dusty conditions.

2. Place new fuel filter in position in fue[

1. Remove knob(s) and cover.

line with arrow pointing towards

TO SERVICE

PRE-CLEANER

carburetor.

2. Slide foam pre-cleaner off cartridge.

3. Be sure there are no fuel line leaks

and clamps are propedy positioned.

3.

Wash it in liquid detergent

and water.

4.

Squeeze

it dry in a clean cloth.

4.

Immediately

wipe up any spilled

5.

Saturate

it in engine oil. Wrap it in

gasoline.

clean, absorbent cloth and squeeze to

remove excess oil. 21