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tjandoverguy 23-06-2020 09:41

vacuums gage
 
i have a yanmar 4jh4ae where should i put put vacuum gage

sailormed 23-06-2020 09:43

Re: vacuums gage
 
After the primary fuel filter for checking the health of your primary fuel filter.

tjandoverguy 23-06-2020 11:34

Re: vacuums gage
 
I have a raycore and a filter on engine

Lepke 23-06-2020 11:43

Re: vacuums gage
 
Gauge goes after the primary filter and before the lift pump. As the filter fills up, the vacuum rises. Actual numbers are different in most installations. Mine reads zero with a new 2 micron filter and I change the filter at 7"hg.

jamhass 23-06-2020 15:31

Re: vacuums gage
 
If you haven't already, get one with a "drag pointer." This allows you to read the max vacuum without the engine running.

tjandoverguy 24-06-2020 06:03

Re: vacuums gage
 
thanks for the comments i will see where i have room


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