MTU — Fuel prefilter - flushing
Maintenance
From a MTU operator's manual covering: 12 V 4000 G23, 12 V 4000 G43, 12 V 4000 G63, 12 V 4000 G83, 16 V 4000 G23, 16 V 4000 G43, 16 V 4000 G63, 16 V 4000 G83. Check it applies to your exact model before use.
Applies to: MTU 12 V 4000 G23, MTU 12 V 4000 G43, MTU 12 V 4000 G63, MTU 12 V 4000 G83, MTU 16 V 4000 G23, MTU 16 V 4000 G43, MTU 16 V 4000 G63, MTU 16 V 4000 G83, MTU 12V 4000 G23 engine, MTU 12V 4000 G43 engine, MTU 12V 4000 G63 engine, MTU 12V 4000 G83 engine
Before you start
- Fuels are combustible. Risk of fire and explosion!
- Engine noise above 85 dB (A).
Procedure
- Cut out the contaminated filter
- Open vent plug of the filter to be flushed
- Unlock drain cock, open it and drain fuel
- Close vent plug and drain cock
- Stop engine and disable engine start, remove cover and fill filter housing with clean fuel
- Place new gasket in cover, fit cover and secure with screws
- Check differential pressure; if no improvement, replace filter element
Specs & values
- Differential pressure limit 0.3 bar
Full service-parts list: MTU 12 V 4000 G23 →, MTU 12 V 4000 G43 →, MTU 12 V 4000 G63 →, MTU 12 V 4000 G83 →, MTU 16 V 4000 G23 →, MTU 16 V 4000 G63 →, MTU 12V 4000 G23 engine →, MTU 12V 4000 G43 engine →, MTU 12V 4000 G83 engine →, MTU 16V 4000 G83 engine →
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.