Split Fuel Tap Rubber Piece

splitpartsunlimited · Posted: Mon Jun 04, 2012 3:59 pm Post subject: Split Fuel Tap Rubber Piece

Hi Guys!

after months of not driving my split , i have decided to completely service it so i have started removing the gas tank for old gas and rust removal .....

once i have removed the fuel tap , i have found that it was completely unuseable , no gas passed through it .

once i have disassembled it , i have found that it has a rubber piece inside , that was completely worn and out of shape .......

anyone knows a source for that rubber piece ??

the fuel tap is an almost NOS split unit with the 8mm pipe ....

any help will be greatly appreciated !

thank you

Ricardo
_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring

xeno · Posted: Mon Jun 04, 2012 4:04 pm Post subject:

VW used a few different ones. Do you have a photo of yours?
_________________
Currenlty Corralled:
1952 Crotch Cooler Deluxe (US specs delivered to Stuttgart, Germany GI.)
1955 Early (Competition Motors - Hollywood, California)
1974 Thing (US specs - Mexicanos)
2008 Rabbit S (Wolfsburg DE)
2012 Golf TDI Tech Package (Wolfsburg DE)

splitpartsunlimited · Posted: Mon Jun 04, 2012 4:14 pm Post subject:

well , i can get a pic of the complete unit ....the rubber seems to be a round piece with some holes in it
_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring

johnshenry · Posted: Mon Jun 04, 2012 4:42 pm Post subject:

I have that rubber disc for the early taps. See zarwerks.com. Got any ribbed semaphore arms???? Laughing

Image may have been reduced in size. Click image to view fullscreen.

_________________
John Henry

'57 Deluxe
'56 Single Cab

splitpartsunlimited · Posted: Mon Jun 04, 2012 5:03 pm Post subject:

What is the washer for ?
_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring

splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4090

It's for the cup.
_________________
Chris

You know, a lot of these scratches will buff right out... Jerry Seinfeld

splitpartsunlimited · Posted: Mon Jun 04, 2012 5:37 pm Post subject:

got it !! mine was perfect and not leaking . that`s why i didn`t even notice that it existed ...
_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring

nlorntson · Posted: Tue Jun 05, 2012 7:13 am Post subject:

splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4090

That's a good question.

I once made one by using the old gasket as a pattern. I cut the holes using appropriately sized brass tubing that I had sharpened the ends. I put it in my drill press (without it running) and punched the holes.

I just used a large rubber washer I bought at the hardware store. Everything worked fine but when I eventually took the tap apart the rubber had swollen.
_________________
Chris

You know, a lot of these scratches will buff right out... Jerry Seinfeld

johnshenry · Posted: Tue Jun 05, 2012 7:55 am Post subject:

I tested these rubber discs thoroughly before plunking down way more money that I will probably ever make selling them (the tooling costs were high). I soaked them in gasoline for nearly a week and checked for swelling. It was under 5% IIRC. And it really is not that much of an issue (5%) as the disc is entirely captive in the seal on all sides.

Buna-N rubber was used I think, known for its petroleum product and oil resistance. It is the same rubber that is used in rubber fuel line hose.
_________________
John Henry

'57 Deluxe
'56 Single Cab

EverettB · Posted: Tue Jun 05, 2012 10:52 am Post subject:

I've never taken apart a Split-era tap but my later Bus original one is cork.

Were they originally cork?
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splitpartsunlimited · Posted: Tue Jun 05, 2012 11:17 am Post subject:

maybe the rubber piece transmuted to a cork type material after 60 years .....

mine was never touched and it was rubber , rotten rubber

Ricardo
_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring

johnshenry · Posted: Tue Jun 05, 2012 11:59 am Post subject:

I think I remember seeing some cork ones at one point long ago. But I really don't see that working well at all.

I have a few NOS ones. Old black rubber, as stiff as plastic now...
_________________
John Henry

'57 Deluxe
'56 Single Cab

splitjunkie · Samba Member Joined: April 04, 2006 Posts: 4090

The one in my '60 was cork.
_________________
Chris

You know, a lot of these scratches will buff right out... Jerry Seinfeld

xeno · Posted: Tue Jun 05, 2012 10:48 pm Post subject:

If you make your own, VITON gasket material is the way to go. It is impervious to gas/oil/diesel/gas additives and does not swell.
_________________
Currenlty Corralled:
1952 Crotch Cooler Deluxe (US specs delivered to Stuttgart, Germany GI.)
1955 Early (Competition Motors - Hollywood, California)
1974 Thing (US specs - Mexicanos)
2008 Rabbit S (Wolfsburg DE)
2012 Golf TDI Tech Package (Wolfsburg DE)

splitpartsunlimited · Posted: Wed Jun 06, 2012 3:05 am Post subject:

what is the thickness of that seal ?? i have removed the one i have here , but it came out in pieces Smile

_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring

nlorntson · Posted: Wed Jun 06, 2012 7:33 am Post subject:

splitpartsunlimited · Posted: Wed Jun 06, 2012 2:20 pm Post subject:

thank you Nancy !! now i know how much i have to thread the retainer in

Ricardo
_________________
in my Garage:

1951 crotch cooler split
1971 1302 cabriolet
1981 Mercedes Benz 230 military "Gelandewagen"
2010 Mercedes Benz c200 kompressor touring


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