Inspect Engine Air Intake Filters

Service Interval-250 Hours

 

A dual element air cleaner is standard. A dirty primary element is indicated when air restriction indicator on instrument panel illuminates. A dirty element can result in loss of power or excessive smoke.

Clean primary element when indicator on instrument panel illuminates or every 250 hours.

Both elements should be replaced at the same time annually, regardless of condition.

1. Raise hood.

2. Pull lug (A) forward and swing catch (B) down. Raise cover (C).

P15259


A-Lug
B-Catch
C-Cover

NS43404,00004DB -19-07APR08-1/3


IMPORTANT: Do not use compressed air to clean filter, resulting in filter damage.

3. Pull out primary filter element (A). Do not use excessive force. If filter does not pull out with ease, move side-to-side to remove safely.

4. Clean primary element by tapping on palm of your hand.

5. Check rubber seal around filter element for cracks and holes. Replace if element shows any imperfections.

6. Secondary filter element (B) should only be removed when being replaced. If it looks dirty or damaged do not attempt to clean, replace it.


A-Primary Filter Element
B-Secondary Filter Element

P14448

Primary Element

P14449

Secondary Element

NS43404,00004DB -19-07APR08-2/3


7. Reinstall primary element with rubber seal first (arrows on label pointing into filter housing). Push in all the way.

IMPORTANT: If primary filter is not damaged and indicator on instrument panel remains illuminated, replace both filters.

8. Close cover and raise catch.

9. Lower hood.

P15396

NS43404,00004DB -19-07APR08-3/3