Note: Service the engine air filter primary element when the yellow piston in the filter service indicator enters the red zone.
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| Illustration 1 | g00528876 |
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| Illustration 2 | g00529179 |
- Remove the engine access cover on the left side of the machine.
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| Illustration 3 | g00480076 |
- Remove cover (1) from the air filter housing.
- Remove primary filter element (2) from the air filter housing.
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| Illustration 4 | g00039201 |
- Clean the inside of the air filter housing.
- Inspect the primary filter element. If the pleats, the gaskets, or the seals are damaged, discard the element. Replace a damaged primary filter element with a clean primary filter element.
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| NOTICE |
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Do not clean the primary elements by bumping or tapping them. Do not use primary elements with damaged pleats, gaskets or seals. Engine damage can result. Make sure the cleaned primary elements are completely dry before installing them into the filter housing. Water remaining in the elements can cause false indications of contamination in S·O·S Analysis test results. |
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- If the primary filter element is not damaged, clean the primary filter element.
The primary filter element can be cleaned by using the following methods:
- Pressure air
- Pressure water
- Detergent washing
When 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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| Illustration 5 | g00039203 |
- When you clean the inside pleats and the outside pleats, direct the air or the water along the pleats.
- The primary filter element can be washed in a solution that consists of warm water and nonsudsing household detergent. Fully rinse the pleats. Allow the primary filter element to air dry completely.
- Inspect the primary filter element after you clean the primary filter element. Do not use a filter if the pleats, the gaskets or the seals are damaged.
- Cover the clean primary filter element. Store the element in a clean, dry location.
A primary filter element may be cleaned for a maximum of six times. Also, replace the primary filter element if the primary filter element has been used for one year.
- Install a clean primary filter element.
- Clean the cover of the air filter housing and install the cover on the air filter housing.
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| Illustration 6 | g00480258 |
- Reset the engine air filter service indicator.
- Install the engine access cover.
Note: If the yellow piston in the filter element indicator moves to the red zone after engine start-up, install a new primary filter element. If the exhaust smoke is still black after installation of a clean primary filter element, install a new primary filter element. If the piston remains in the red zone after installation of a new primary filter element, replace the secondary filter element.
