Perkins — Procedure 1

A Perkins service procedure — check it applies to your exact model before use.

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Procedure

1. 1. Thoroughly clean the inside of the filter case (2)
2. and thoroughly clean the lower face of the filter
3. head (5).
4. 2. Inspect the thread of a new filter element (4) in
5. order to ensure that the thread is not damaged.
6. Inspect the thread of the adapter in the filter
7. head (5) in order to ensure that the thread is not
8. damaged.
9. 3. Inspect the condition of the spring and ensure
10. that the spring is correctly located within the
11. filter case (2).
12. 4. Install the new filter element (4) into the filter
13. case (2). Push the filter element against the
14. spring pressure and rotate the filter element in
15. a clockwise direction in order to secure the filter

Source: manual:Perkins-1103-1104-Series-Workshop-Manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.