HOSE 2916254 - Caterpillar

Service the air cleaner only with the engine stopped. Engine damage could result.
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Run the engine at high idle. Service the air cleaner if the yellow piston in the filter element indicator moves into the red zone.
Always service the air cleaner from the right fender only. DO NOT stand on the undercarriage, belt, or ground to service the air cleaner. Personal injury could result.
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Slowly release the latches for the air cleaner housing. Remove cover (1) .Note: The latches for the air cleaner housing may snap open when you release the latches.
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Remove primary filter element (2) from the air cleaner housing. In order to remove the engine air filter primary element, pull the element outward. While you pull the element outward, rock the element.
Inspect the primary element. If the pleats, the gaskets, or the seals are damaged, discard the element. Replace a damaged primary element with a clean primary element.
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Do not clean the filter elements by bumping or tapping them. Do not use filter elements with damaged pleats, gaskets or seals. Engine damage can result.Make sure the cleaned filter elements are completely dry before installing into the filter housing. Water remaining in the elements can cause false indications of contamination in Scheduled Oil Sampling test results.
If the primary element is not damaged, clean the primary element.The filter elements can be cleaned by using the following methods:
Pressure air
Pressure water
Detergent washingWhen you use pressure air, the maximum air pressure is 205 kPa (30 psi). When you use pressure water, the maximum water pressure is 280 kPa (40 psi).
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When you clean the inside pleats and the outside pleats, direct the air along the pleats or direct the water along the pleats.The element can be washed in a solution that consists of warm water and of nonsudsing household detergent. Fully rinse the pleats. Allow the filter to air dry completely.Engine air filter primary elements may be wet for three days. During this time, install a new primary element or install a dry, cleaned element. Store the dry element for installation at the next service.
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Inspect the filter element after you clean the filter element. Do not use a filter if the pleats, the gaskets or the seals are damaged.Place a light bulb inside the filter element. Discard the filter element if you find any of the following conditions:
Holes of light that are pin hole size
Areas of paper that appear thin
Cover the clean filter elements. Store the elements in a clean, dry location.A primary element may be cleaned for a maximum of six times. Also replace the primary element if the primary element has been used for one year.
Install a clean primary filter element over the engine air filter secondary element. Apply firm pressure to the end of the primary element as you gently rock the filter element. This seats the primary element.
Clean the cover for the air cleaner housing. Align the slot on the cover with the pin on the air cleaner housing. Install the cover.
Reset the air