[Healeys] su pumps again

[Bob Spidell]

re: "...The plastic foil is on the bottom of the diaphragm opposite the stem ..." 

That's where it's been on every old pump I've disassembled; the newer diaphragms I've bought didn't have it. I've always assumed the 'plastic foil' was mylar: https://en.wikipedia.org/wiki/BoPET 

Bob 

----- Original Message -----

From: "Oudesluys" <coudesluijs at chello.nl> 
To: josef-eckert at t-online.de, "Austin Healeys List" <austinhealeyslist at gmail.com> 
Cc: "healeys" <healeys at autox.team.net> 
Sent: Wednesday, November 23, 2016 4:05:07 AM 
Subject: Re: [Healeys] su pumps again 

Sorry Joseph, but I have to disagree. The plastic foil is on the bottom 
of the diaphragm opposite the stem, this is the pump and petrol side and 
keeps the petrol away from the rubber parts. 
Cheers, 
Kees Oudesluijs 


Op 23-11-2016 om 12:56 schreef josef-eckert at t-online.de: 
> The rubber comes first to the petrol and the plastic foil is opposit on the magnet side of the pump. 
> Josef Eckert 
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