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Old 03-26-2008, 02:47 PM   #5
Chris Foster
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City: Anacortes, WA
Country: USA
Vessel Name: Juz-B-Cuz
Vessel Model: 38' Rawson Trawler
Join Date: Oct 2007
Posts: 278
Re: This is good stuff!!

FF's sight glass is (I believe) designed to be put on the pressure side of the fuel pump. So if it were to leak, it would possibly seep a little diesel and be pretty obvious. And since it has no gaskets, it's pretty unlikely to leak.

You might also install it on the return line from the injection pump - which should be bubble free when running. Even if somehow a little leak were to develop that allowed air into the system when the engine was shut down, air in the return side shouldn't give any problems.
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