Westerbeke did say 30m… surprised me too. It was the service manager for Westerbeke at the time. who informed me. The lift pump I have now is a Facet and it has a plastic mesh that is cleanable vs the paper one in the original. No Both on engine filters are Mitsubishi parts not Westerbeke.
Apparenly the new mesh ones are 74m
Hi folks,
I’m troubleshooting a diesel leak by the aluminum retainer ring of the engine’s first filter. Engine is a W13.
I replaced the filter, the small and large o rings.
Because of the rough texture of the aluminum ring, i figured it should be tightened by hand. Result: diesel leak.
Second attempt, tightened it with pliers.
Third attempt, added a second, slightly thicker o ring, in addition to the supplied o ring (so two large o rings in total). Result: better, much better, but still leaking a bit of diesel!
I’m now considering removing the second “larger” o ring, and adding a flat o ring.
Thought i would bounce this off on the Nonsuch Collective before continuing on my little Frankenstein journey!
Thank you
Val
NS26C #75
Ottawa, ON
NSC
First off, Val, I believe the filter in question is more appropriately called the secondary filter. The first one being the one closest to the tank. I’m not sure if that #13 is an “O” ring or a flat seal. I can’t find my parts manual.
Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA
[details="(attachments)"]
[/details]I take that back, Val, the manual calls it the primary fuel filter.
Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA
[details="(attachments)"]
[/details]Here’s the kit I used. It’s an actual Westerbeke/OEM product. The rings, in both cases, are definitely round, not flat, o rings.
Roger that, Val. In that case, I have no suggestions except to carefully look at that cup and cap.
Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA
[details="(attachments)"]
[/details]There was always a problem reusing the aluminum ring to tighten
Put new ring on and shud be no problem
If I recall a new ring came with replacement filter
Cedric Single Malt
26C # 207
Chester Nova Scotia
Start over.
Just install the correct large O ring13, can 17, and ring16, with no filter. Use fingers only. You will feel when the ring gets to the point where the O ring is starting to compress. Remember where this is.
Take it off and put the new filter in with the small O ring and reassemble with the one 13 O ring. Screw the knurled ring on by hand. Note if it doesn’t go smoothly on all the way like the fist step, it will leak, and what happened is the filter/small O ring isn’t lined up correctly inside.
It’s hard to see but that new filter/small O ring fits in/on a thing inside. It must be on there correctly.
My kit never had a new knurled aluminum ring. I think its original. It goes on with fingers nicely but I’m sure it could be cross threaded easily.
Finger tighten.
No leak.
If you use a bigger O ring or two O rings the fuel will just go around the filter and the filter won’t be doing its job.
Tom
26C #28 W13
On Wednesday, 11 May 2022 at 08:49:36 UTC-4 Val NS26C #75, Ottawa, ON wrote:
Clarification: both 13 and 14 slip right into the little groove. Perhaps I should just try it again and tighten it by hand, not too tight. I definitely have a tendency to over tighten things… more is better, right 
The knurled aluminum ring did not come with the kit. It is original to the engine.
Here i go again. Wish me luck 
Val
Good idea, Tom. BTW, where are you located??
Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA
It’s in my initial msg from earlier today, Joe
We don’t require it, but it helps when it’s in the signature.
Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA