Lombardini — Injection check
Adjustments · Injection timing
From a Lombardini service manual covering: 25LD330-2, 25LD425-2, KD 425-2. Check it applies to your exact model before use.
Procedure
- Connect fuel tank to injection pumps.
- Set speed control lever to Max and piston to start of compression (cylinder 1).
- Bring injection pump connection rod to mid-way between min and max.
- Fit special tool p.n. 00365R0940 to delivery valve holder.
- Turn flywheel slowly until diesel column in tool starts to move.
- Check reference mark on flange bell matches intermediate point between TDC and IP.
- If advanced or retarded, add or remove shims between pump and crankcase.
Tools required
- Special tool 00365R0940 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Every 0.1 mm shim corresponds to 2.75 mm rotation of flywheel
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.