Topic: Lightwin Fuel Filter Issue – Antique Outboard Motor Club,Inc

This topic has 9 replies, 7 voices, and was last updated 3 years, 11 months ago by h20lew.

Viewing 10 posts - 1 through 10 (of 10 total)

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May 30, 2020 at 9:05 am #204417
drifter
Participant
I have a 1964 Evinrude Lightwin (model 3402R). Fuel flow from the petcock was near non existent so I removed the petcock assembly from the tank and found no filter attached. Looking a bit closed I discovered the filter (sintered aluminum) still in the tank. It appears the filter broke away from the fuel valve assembly. Was it meant to come out attached to the fuel shutoff valve? If so, and it did beak away, can I tap it back into the tank and shake it out?
Thanks,
Drifter
May 30, 2020 at 9:28 am #204421
lindy46
Participant
US Member
They are soldered on and after 56 years it has come loose from the fitting. Is it stuck in the tank or loose?
May 30, 2020 at 9:43 am #204422
drifter
Participant
It is stuck in the tank. I was thinking I could simply tap it back inside the tank and shake it out.
May 30, 2020 at 10:28 am #204435
seakaye12
Participant
US Member
Yes that is what I would do. Probably won’t take much to get it detached. You can run an in-line temporarily if you want…..and eventually source a new petcock/filter for the tank. Costco used to sell a branded version of a “Simple-Green” solution that would do a great job of cleaning those sintered filters. I keep hoping they will bring it back.
May 30, 2020 at 10:43 am #204443
frankr
Participant
US Member
You can knock it into the tank and just leave it in there, if you want to. I install a piece of brass filter screen into the adapter fitting that the sintered filter came out of.
May 30, 2020 at 12:25 pm #204445
fleetwin
Participant
US Member - 2 Years
So what was causing the lack of fuel flow??
May 30, 2020 at 1:14 pm #204450
Mumbles
Participant
Here’a another way to remove the filter.

https://aomci.org/forums/topic/removing-broken-tank-filters-from-omc-three-horse-motors-2/
May 30, 2020 at 2:06 pm #204451
frankr
Participant
US Member
fleetwin wrote:

So what was causing the lack of fuel flow??

The old sintered filter crudded into the tank opening—-same thing that tore it loose from the adapter fitting when the fitting was unscrewed. Actually pretty common.
May 30, 2020 at 3:35 pm #204453
drifter
Participant
I got it out but not by tapping it. I had to whack the begeebers out of it using a brass drift and a ball peen hammer. Whacked it 5 or six times. It was totally encrusted with crud about half way up. I had only added a quart of fuel mix so it was never going to flow. I got the filter out and added a small in line (screen) type filter.
Oddly, the tank is clean as a whistle. I used a flashlight with a 12″ flexible extension to look as far into the tank as possible and what I could see was very clean.
Thanks again for all of the advise.
Nick
May 31, 2020 at 7:09 am #204505
h20lew
Participant
US Member
If you decide to go the inline filter route, if you search on Amazon for B009E1MWVG, you’ll find a kind that’s worked well for me on other motors.
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Lightwin Fuel Filter Issue

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