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Never run the engine without an air cleaner element installed. Never run the engine with a damaged air cleaner element. Do not use air cleaner elements with damaged pleats, gaskets or seals. Dirt entering the engine causes premature wear and damage to engine components. Air cleaner elements help to prevent airborne debris from entering the air inlet. |
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Never service the air cleaner element with the engine running since this will allow dirt to enter the engine. |
Servicing the Air Cleaner Elements
Note: The air filter system may not have been provided by Caterpillar. The procedure that follows is for a typical air filter system. Refer to the OEM information for the correct procedure.
If the air cleaner element becomes plugged, the air can split the material of the air cleaner element. Unfiltered air will drastically accelerate internal engine wear. Refer to the OEM information for the correct air cleaner elements for your application.
- Check the precleaner (if equipped) and the dust bowl daily for accumulation of dirt and debris. Remove any dirt and debris, as needed.
- Operating in dirty conditions may require more frequent service of the air cleaner element.
- The air cleaner element should be replaced at least one time per year.
Replace the dirty air cleaner elements with clean air cleaner elements. Before installation, the new air cleaner elements should be thoroughly checked for tears and/or holes in the filter material. Inspect the gasket or the seal of the air cleaner element for damage. Maintain a supply of suitable air cleaner elements for replacement purposes.
Some application can have dual elements. The dual air cleaner contains a primary air cleaner element and a secondary air cleaner element. Both element must be replaced at the same time.
Do not replace the air cleaner filter elements in a dirty environment, as dirt can enter the air system when the elements are removed.
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| Illustration 1 | g06394497 |
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Typical example | |
- Ensure that the outer body of the air cleaner to be serviced is clean and free from dirt.
- Remove end cover (3) from air cleaner body (1). If necessary, clean end cover and ensure that the valve (4) is clean and free from dirt. Check the valve (4) for wear or damage, replace if necessary.
- Remove primary air filter element (2) and if equipped, remove the secondary air filter element (Not Shown). Discard all old air filter elements.
- If equipped, install new secondary air filter element (Not Shown) and install new primary air filter element (2).
- Install end cover (3) to air cleaner body (1) and secure end cover. If necessary, reset the air service indicator, refer to this Operation and Maintenance Manual, Engine Air Cleaner Service Indicator - Inspect for more information.