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> Here's my question: Is fuel supposed to be able to go UNDER that cup?
It's more than that. There's a venturi formed by the return pipe that jets the
fuel back into the cup and keeps it full by drawing more in around the jet from
the tank outside the cup.
Do not seal the tank or you will upset the mechanism for keeping the fuel level
in the cup up.
| |
|_____/ \__ cup___|
_____ / \ __________ < fuel drawn from tank (thin gap)
| | < return pipe
Might need to set courier font or copy and paste into Notepad or something to
get the bits to line up.
PS Damn! (sorry) - every time I spend ages on a reply, Jim's got there first!
Anyway,
the ascii art may help.
PPS That's a lot better, Russ - why didn't I think of that? Actually, I didn't
know I had it on the web - must get some time sorting things out. One of our
club members did that super drawing. I think the older carb tanks might not
have the cup - not got one to check.
Dave.
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
------
----- Original Message -----
From: <big.al@bigblackdot.net>
To: <type3@vwtype3.org>
Sent: Monday, April 17, 2006 12:07 AM
Subject: [T3] FI Fuel Tank restoration - revisited
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