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Multistage diesel filtration

MarineCityBrian

Apprentice Tinkerer
O-ring goes on the cap.
Have you by chance got a size for that o-ring or just approximated? I got the "official" deck plate o-rings from Perko and they're to big for any of my fill plates. I wonder if they either changed the design or if Ericson didn't use Perko...
 

Alan Gomes

Sustaining Partner

Dave G.

1984 E30+ (SOLD)
I don't think mine are Perko. That don't seem to be "standard" issue and I had a helluva time finding a male fitting to fit the head pumpout. For the O-ring I went to an Ace hardware with caps in hand and found one that fit. I thought it was 1 9/16 ID but Alan could be right @ 1 1/2.
 

Christian Williams

E381 - Los Angeles
Senior Moderator
Blogs Author
In my opinion you can't make a mistake any way you do it, 2, 10, 30, backwards or forwards (not upsidedown :)).

Just change the primary filter when it gets dirty. This is not angels dancing on pins.

It does make sense that the secondary filter strains finer than the primary.
 
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