D250E Series II and D300E Series II Articulated Trucks Caterpillar

Engine Air Filter Primary Element - Clean/Replace

Usage:

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NOTICE

Service the air cleaner only with the engine stopped. Engine damage could result.

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Illustration 1	g00600244

Release clips (1) in order to remove the air cleaner cover.

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Illustration 2	g00600252

The primary element is a tight fit on the air cleaner housing. Carefully release primary element seal (2) by rocking the primary element, or by twisting the primary element. Remove primary element (3) from the air cleaner housing. Avoid touching the air filter primary element against the sides of the air cleaner housing. Touching the air filter primary element against the sides of the air cleaner housing can dislodge dust.

Clean the inside of the air cleaner housing.

Note: Do not clean the primary element by bumping or by taping the element.

Inspect the primary element. If the pleats, the gaskets, or the seals are damaged, discard the primary element. Replace a damaged primary element with a clean primary element.

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Personal injury can result from air pressure.
Personal injury can result without following proper procedure. When using pressure air, wear a protective face shield and protective clothing.

Maximum air pressure at the nozzle must be less than 205 kPa (30 psi) for cleaning purposes.

If the primary element is not damaged, clean the primary element.
The primary element can be cleaned by using pressurized air.

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Illustration 3	g00600268

When you clean the inside pleats and the outside pleats, direct the air along the pleats.

Inspect the primary element after cleaning. Do not use a primary element if the pleats, the gaskets, or the seals are damaged.

Cover the clean primary element and store the primary element in a clean, dry location.
A primary element may be cleaned for a maximum of six times. Also, replace the primary element after one year of service.

Install a clean primary element.

Clean the air cleaner cover and install the air cleaner cover. Fasten the retaining clips.

Reset the engine air filter service indicator.

Start the engine. If the red portion of the piston is showing in the engine air filter service indicator, install a new secondary element. Also, if the exhaust smoke is black, install a new secondary element.
Refer to the Operation and Maintenance Manual, "Engine Air Filter Secondary Element - Replace".