MTU — Engine — Barring manually
Maintenance
From a MTU operator's manual covering: 20 V 4000 G23, 20 V 4000 G43, 20 V 4000 G63, 20V 4000, 20V 4000 Gx3. Check it applies to your exact model before use.
Applies to: MTU 20V 4000, MTU 20V 4000 Gx3 engine, MTU 20 V 4000 G23 engine, MTU 20 V 4000 G43 engine, MTU 20 V 4000 G63 engine, MTU 20V 4000 G83 engine
Before you start
- Before barring the engine, ensure that nobody is in the danger zone.
Procedure
- Remove guard plate.
- Engage barring tool with ring gear and mount on flywheel housing.
- Set ratchet onto barring tool.
- Rotate crankshaft in engine direction of rotation.
- Check for abnormal resistance.
- Remove barring tool in reverse sequence.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Apart from normal compression resistance, there should be no abnormal resistance
Full service-parts list: MTU 20V 4000 →
Source: MTU operator'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.