Deutz — Checking and Cleaning Air Cleaners

Maintenance

From a Deutz owner's manual covering: F 3L 912, F 4L 912, F 5L 912, F 6L 912, F3L F4L F5L F6L. Check it applies to your exact model before use.

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Procedure

1. Oil bath air cleaner: check every 10 to 60 running hours according to dust conditions, after engine stopped at least one hour.
2. Release snap clips, remove bowl, remove element by sidewise tapping or screwdriver.
3. Pour out dirty oil and clean dismantled parts with diesel fuel.
4. After cleaning fuel drains from element, fill bowl to mark with fresh motor oil and reassemble.
5. Dry-type air cleaner: empty dust collector not later than when half full.
6. Release clips, remove dust collector with cover, empty collector, refit assembly with recess on cover mated with lug on collector.
7. Service cartridge where vacuum-type contamination indicator shows red warning when engine stopped or yellow warning light with engine running.
8. Clean cartridge by tapping gently or with air blast max. 5 atm diagonally inside and out; washing in lukewarm water with mild detergent is permitted.
9. After 4 or 5 cleanings, or if contaminated by soot, replacement is indispensable.

Source: Deutz owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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