Deutz — Cleaning the Cooling Fins

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. Clean every 120 running hours, more frequently in very dusty conditions.
2. Release fasteners on injection pump side and remove air cowling.
3. Release bolts on exhaust side and remove baffle.
4. Use dry means, e.g. wire and compressed air; start blowing from exhaust side.
5. Clean vertical cylinder head cooling fins and oil cooler fins carefully.
6. If diesel fuel or cold cleansing agent is used, wash with powerful water jet after soaking; run engine until warm to evaporate water.

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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