Vacuum meter set for Delphi filter with UNC connection set
The move contains.
An adapter, right-angle bend and a vacuum eater filled with glycerine
This vacuum meter is extremely suitable for including in the fuel system of your engine and preferably with the coarse filter. By placing this meter near the coarse filter, you can see at a glance what condition the filter is in and whether it is not slipping shut.
With a clean filter the vacuum meter will indicate a pressure of between 0 and -0.1 bar, it can vary 0.100 mm bar after the temperature changes and whether the motor is on full load wire.
At a vacuum of -0.300, the coarse filter must be replaced.
