How to Replace and Clean Engine Air Primary Filter for Caterpillar 72H pipelayer

 Here is an instruction show you guide on how to replace and clean engine air primary filter for Caterpillar 72H pipelayer.

Preparations:

Caterpillar CAT ET 2022A Diagnostic Software

CAT 4 478-0235 Adapter


Procedures:
1. Open the engine access door on the left side of the machine.

2. Remove air cleaner housing cover (1). Pull out in order to remove the element.
3. Remove primary filter element (2) from air cleaner housing (4).

4. Mark secondary filter element (3) in order to show that the primary filter element has been serviced. The secondary filter element should be replaced when the primary filter element is serviced for the third time. Refer to the section“Secondary Filter”.
5. Clean the inside of air cleaner housing (4). Keep the secondary filter element in place while you clean the housing.
6. Install a new primary air filter.

CAT ET 2022A 2019C 2018A Free Download
NOTICE
Do not clean the filter elements by bumping or tapping them. Do not use filter elements with damaged pleats, gaskets, or seals. Do not wash the filter elements.
7. Push the filter element firmly in order to properly seat the element. Write the date on the element,if the primary element is replaced.
8. Install air cleaner housing cover (1).
9. Close the engine access door


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