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pigtin
Joined: 23 Nov 2007 Posts: 1879 Location: Herne Bay
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Posted: Fri Sep 19, 2008 11:01 am Post subject: 1950 Humber Super snipe fuel pump. |
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Received this message by mistake on my private mail. Can anyone help the lady?
From: JDRobinson
To: pigtin
Posted: Fri Sep 19, 2008 9:34 am
Subject: Humber Super Snipe
I have just registered as my husband is in process of restoring a Humber Super Snipe 1950 but is having problems with the fuel pump.
Don. _________________ Due to the onset of my mid eighties I'm no longer sprightly and rarely seen in my Austin special. I have written a book though. https://amzn.eu/d/7rwRRqL |
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peter scott
Joined: 18 Dec 2007 Posts: 7126 Location: Edinburgh
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Posted: Fri Sep 19, 2008 11:24 am Post subject: |
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Maybe we need to know more about it the nature of the problem but
I think the Super Snipe just uses a simple AC mechanical fuel pump that is driven off the camshaft. If he unbolts it and checks the diaphram and its return spring and that the little petrol valves are opening and closing then there isn't much more to go wrong short off the lever arm being broken.
Peter _________________ http://www.nostalgiatech.co.uk
1939 SS Jaguar 2 1/2 litre saloon |
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Penman
Joined: 23 Nov 2007 Posts: 4766 Location: Swindon, Wilts.
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Posted: Fri Sep 19, 2008 9:02 pm Post subject: |
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Hi
This is an example of the sort of simple mechanical pump which Peter has mentioned.
Another problem I have seen is where the down shaft through the diaphragm has not been twisted through 90 degrees to engage properly with the slot in the end of the lever.
Another model I have had has a much shorter lever, which barely protruded from the body of the pump and was activated by a straight rod from the cam shaft and I know some one who didn't put the straight rod back in and wondered why the pump didn't pump.
Some pumps have a priming lever sticking out opposite the activating lever, if you have one of these and it doesn't pump fuel through then I would suspect the valves might not be seating properly or the diaphragm could be perforated allowing fuel to get into the crankcase. |
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pigtin
Joined: 23 Nov 2007 Posts: 1879 Location: Herne Bay
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Posted: Fri Sep 19, 2008 9:36 pm Post subject: |
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Thanks Penman and Peter. They haven't yet got the hang of posting on the forum but sent me a message thanking us and telling me they had found a split diaphragm. They're wondering where to source a new one from.
Best I post them a link to this page.
Don. _________________ Due to the onset of my mid eighties I'm no longer sprightly and rarely seen in my Austin special. I have written a book though. https://amzn.eu/d/7rwRRqL |
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peter scott
Joined: 18 Dec 2007 Posts: 7126 Location: Edinburgh
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Greeney in France
Joined: 06 Mar 2008 Posts: 1173 Location: Limousin area of France
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Posted: Sat Sep 20, 2008 7:45 am Post subject: |
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I am finding that I am increasingly using america for parts not least because of the dollar cost, try this one
http://www.then-now.com/The_Cellar/cellar.htm _________________ www.OldFrenchCars.com
We do these things not to escape life but to prevent life escaping us |
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peter scott
Joined: 18 Dec 2007 Posts: 7126 Location: Edinburgh
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PAUL BEAUMONT
Joined: 27 Nov 2007 Posts: 1281 Location: Barnsley S. Yorks
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Posted: Tue Sep 23, 2008 1:00 pm Post subject: |
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Pigtin. if they are really in the fertiliser, I believe I have a couple of NOS AC diaphragms for a Type U.
If I can help send me a PM
PAUL |
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