JW/Lightwin fuel tank stone filter

[opposedtwin]

Hard to believe I’ve never encountered this before on an OMC (mercurys for sure) but I ain’t getting any fuel to my little carburetor. The fuel line petcock is fine and not obstructed.
Is it possible to soak these in clean gas and re-use them? It does look like it’s darker towards the bottom. There’s a guy on ebay selling them for $40 but I really don’t want to go that route.
What have you guys done in the past?

thanks!
scott

[Buccaneer]

Google search says this…….

Methods for Cleaning Gas Filter/Carbonation Stones<button class=”rBl3me” tabindex=”0″ data-amic=”true” data-icl-uuid=”1813731f-d12e-401a-be03-95badebb31f5″ aria-label=”View related links” data-wiz-attrbind=”disabled=F85tWd_m/C5gNJc;aria-label=F85tWd_m/bOjMyf;class=F85tWd_m/UpSNec” data-ved=”2ahUKEwiO-bav4f-SAxWng4kEHVhGJOAQye0OegQIAhAA” data-hveid=”CAIQAA” data-processed=”true”></button>

• Soaking Method (Best for stubborn buildup):
  • Acid Bath: Soak the stainless steel stone in 30% phosphoric acid to dissolve mineral buildup and contaminants.
  • Oxygen Cleaner: Soak the stone in a hot, oxygen-based cleaner (like PBW http://www.ssbrewtech.zendesk.com/hc/en-us/articles/360018120072-Carbonation-Oxygenation-Diffusion-Stone-Care or similar) for 15 minutes.
  • Alcohol Soak: A soak in isopropyl alcohol can help improve bubble size by removing lingering oils.
• Ultrasonic Cleaning (Most effective):
  • Place the stone in an ultrasonic cleaner with a cleaning solution for 15-30 minutes to dislodge particles from deep within the pores.
• Boiling:
  • Boil the stone in water for 15 minutes to sanitize it and remove oils.

Prepare to be boarded!

[opposedtwin]

Thanks Buc! I think I’ll start with the boiling method.

I didn’t realize these were stainless steel.

Has anyone had success cleaning one of these?

[Don]

Have you removed the valve packing nut?  Perhaps there is some gunk plugged up inside there…

[opposedtwin]

Don wrote:

Have you removed the valve packing nut?  Perhaps there is some gunk plugged up inside there…

I have not removed the petcock valve from the filter. I will try that. (#6 from #7)

Is the filter element connected to the nut? If so, how? Is the filter element threaded?

[JACQUES]

jw  filter…  some have simply removed it  and  replaced it with extra fine brass  screen rolled up and welded.

you can also  remove it and install a small red  lawnmower filter on the fuel line to the  carb.

if you  have  the metal pipe to the carb just replace it with a fuel hose

Joining AOMCI has priviledges 🙂

[Don]

opposedtwin wrote:

Don wrote:

Have you removed the valve packing nut?  Perhaps there is some gunk plugged up inside there…

I have not removed the petcock valve from the filter. I will try that. (#6 from #7)

Is the filter element connected to the nut? If so, how? Is the filter element threaded?

The filter and the fuel valve are two separate pieces, the valve can be unthreaded from the filter.  But, be very careful, those filters are delicate/brittle and will break off easily.   So, you might just want to unthread the valve packing nut to have a look inside the valve housing for debris.

[opposedtwin]

Don wrote:

opposedtwin wrote:

Don wrote:

Have you removed the valve packing nut?  Perhaps there is some gunk plugged up inside there…

I have not removed the petcock valve from the filter. I will try that. (#6 from #7)

Is the filter element connected to the nut? If so, how? Is the filter element threaded?

The filter and the fuel valve are two separate pieces, the valve can be unthreaded from the filter.  But, be very careful, those filters are delicate/brittle and will break off easily.   So, you might just want to unthread the valve packing nut to have a look inside the valve housing for debris.

Don: Do you mean the packing nut that is part of the fuel line coming out of the bottom of the valve? That’s already disconnected as you can see in my photo. Or do you mean the packing nut between the filter element and the top of the calve? As far as I can tell, the packing nut and the filter element are one piece. See photo below.

I will disconnect the filter from the valve and see if that area is blocked.

 

Jacques: I really don’t want a rubber hose with an inline but it may come to that.

[opposedtwin]

You were absolutely right Don!

thank you for the help!

scott

[Waunnaboat]

Next time you have issues, carefully scraping with an awl has worked for me on somewhat shorter tubes….also works on slightly gummed up fuel line ends.  For fuel lines, I take a utility gauge wire and slam it in and out until the line is open and then let fuel do the rest of the work.

"Outboards seem to multiply exponentially..........I find that for every finished project, there are two more waiting to be completed."

[Author]

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