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Re: Fuel Pump Stroke

To: "mgs-digest list" <mgs@autox.team.net>,
Subject: Re: Fuel Pump Stroke
From: "Fred Pixley" <fpixley@kingston.net>
Date: Sat, 23 Oct 1999 06:36:45 -0400
Hans, that's one of the things I appreciate about these cars.  You don't
always need new parts.  With some attention and adjustments they just keep
on going.
By the way, my BGT is a 71 also.

Cheers, Fred

-----Original Message-----
From: Hans Duinhoven <H.Duinhoven@simac.nl>
To: 'Fred Pixley' <fpixley@kingston.net>; mgs-digest list
<mgs@autox.team.net>
Date: Friday, October 22, 1999 7:45 AM
Subject: RE: Fuel Pump Stroke


>I cleaned the contacts without loosening the adjustment setting.
>I did not sand the contacts, but cleaned these with a whetstone.
>Works fine now. Contacts were havily pitted, the stroke is a bit longer
than
>original.
>I checked the gap according the Haynes manual ones and it still was
perectly
>within limits.
>So i have drawn the conclusion the adjustment is not very critical, once
the
>basic settings are not touched.
>One easily can replace the contacts if needed in the same way and I expect
>no problem as well.
>New contacts need to be soldered in though...
>
>Cheers,
>
>Hans
>
>'71 BGT - New Racing Green BLVC25 now picture available....
>
>> -----Original Message-----
>> From: Fred Pixley [SMTP:fpixley@kingston.net]
>> Sent: Friday, October 22, 1999 1:35 PM
>> To: mgs-digest list
>> Subject: Fuel Pump Stroke
>>
>> Thank you to Hans, Bob and Paul.
>>
>> I readjusted exactly as Paul recommended, according to the Hayne's manual
>> and I would suggests that others follow that advice although it should
>> probably work just fine with any close setting.  A longer stroke might
>> stretch the diaphragm or put out excessive pressure and cause flooding.
>>
>> >It *is* important to get reliable contact operation.  The workshop
manual
>> >describes it thus:  "With the pump held horizontally, slowly unscrew the
>> >diaphragm while at the same time actuating it, until the rocker just
>> throws
>> >over.Unscrew the diaphragm until the hoes are aligned, then unscrew it a
>> >further quarter of a turn (four holes)."
>>
>> <PaulH.
>>
>> >-----Original Message-----
>> >From: Fred Pixley <fpixley@kingston.net>
>> >To: mgs-digest list <mgs@autox.team.net>
>> >Date: 20 October 1999 14:14
>> >Subject: Fuel Pump Stroke
>>
>>
>> >>I recently cleaned up a non-working SU electric fuel pump I bought at
an
>> >>autojumble, actually the Bronte Creek show.  It will be chucked in the
>> boot
>> >>of the BGT for use as a spare. I sanded the points and freed up the
>> plunger
>> >>and diaphragm.  It looks nice with the body sandblasted and
clearcoated.
>> >>This was from an older Healy from the 50's and has no diodes and works
>> fine
>> >>in pos or neg ground configuration.
>> >>When I took it apart I didn't count the number of turns the plunger was
>> >>screwed in and I just guessed at it upon reassembly.  I allowed for a
>> >>fairly
>> >>short stroke and it pumps air OK.  How important is it to adjust the
>> stroke
>> >>on this thing?
>> Fred Pixley
>> Napanee, Ontario, Canada
>> fpixley@kingston.net
>>
>>
>


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