Lombardini — Storage preparation (temporary protection 1/6 months)

Maintenance · Engine storage

From a Lombardini service manual covering: 25LD330-2, 25LD425-2, KD 425-2. Check it applies to your exact model before use.

Procedure

1. Let engine run at idling speed no-load for 15 minutes.
2. Fill crankcase with protection oil MIL-1-644-P9 and run at 3/4 speed for 5/10 minutes.
3. When warm, empty oil pan and fill with standard new oil.
4. Remove fuel tube and empty tank.
5. Remove fuel filter, replace cartridge if dirty and refit.
6. Clean cylinder fins, heads and fan.
7. Seal all openings with tape.
8. Remove injectors, pour spoonful SAE 30 oil into cylinders, rotate manually, refit injectors.

Source: Lombardini service 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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