Craftsman 143.991200 Specifications download pdf (Page 8)

CHAPTER 2 AIR CLEANERS

COMPONENTS

The cover holds the filter element and prevents large

debris from entering the filter body.

The polyurethane wrap pre-cleaner is used on XL

or XL/C engine models with paper filter elements.

The paper or polyurethane filter element is the main

filter to trap dust and dirt. Dry-type paper elements

are pleated paper for increased surface area and

rubberized sealing edges. The polyurethane filter uses

an oil film to trap fine particles found in dust.

The flocked screen is used as an additional filter on

XL or XL/C engine models that use a polyurethane

filter element.

KLEEN-AIRE

ENTRANCE FROM

UNDER BLOWER

HOUSING

COVER

POLYURETHENE

WRAP

PAPER

ELEMENT

AIR CLEANER

BODY

FOAM

ELEMENT

FLOCKED SCREEN

AIR CLEANER

BODY

KLEEN-AIRE

ENTRANCE FROM

UNDER BLOWER

HOUSING

COVER

GENERAL INFORMATION

The air cleaner is the device used to eliminate dust

and dirt from the air supply. Filtered air is necessary

to assure that abrasive particles are removed before

entering the combustion chamber. Dirt allowed into

the engine will quickly wear the internal components

and shorten the life of the engine.

Tecumseh engines use either a polyurethane or a

paper-type air filter system. A polyurethane pre-

cleaner or a flocked screen may be used with the main

filter. Snow King

engines do not use an air filter due

to the clean operating environment and to prevent filter

freeze-up.

Extremely dirty conditions may require more frequent

filter cleaning or replacement.

OPERATION

The air cleaner cover allows access to the air filter

element(s) and prevents large particles from entering

the filter body. Air is filtered through the pre-cleaner

or flocked screen if equipped, and the polyurethane

or paper filter element. Pre-cleaners or flocked

screens provide more air cleaning capacity.

In Tecumseh's Kleen Aire

system, air is drawn in

through a rotating screen or recoil housing to be

centrifugally cleaned by the flywheel before the air

enters the air filter.

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Craftsman 143.991200 Specifications Page 8

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