[Healeys] o/d problem

David Nock British Car Specialists healeydoc at sbcglobal.net
Fri Aug 30 11:42:10 MDT 2013


You need to remove the pump body and with a ball reamer you cut a new
seat.  If you look at the seat closely with a magnifying glass you
will see there is a lot of wear on the ball seat. This will not allow
the ball to seat properly when the pump is on the pressure stroke.




David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767

www.britishcarspecialists.com

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Please feel free to view an interview with the Nock's in 2009
	Enjoy
www.youtube.com/watch?v=QOTTRYkbQzs
.
.

On Aug 30, 2013, at 9:48 AM, Willig wrote:

> David,
>
>  I have the same problem with my OD. A new ball cured the problem
> when the
> OD-oil is cold. The hotter the oil gets, the slower the OD is to
> engage. How
> do I re-cut the seat?
>
> Regards
>
>
> Thomas Willig
>
>
>
> -----UrsprC<ngliche Nachricht-----
> Von: David Nock British Car Specialists
> [mailto:healeydoc at sbcglobal.net]
> Gesendet: Freitag, 30. August 2013 05:01
> An: healeymanjim at hansencc.net
> Cc: healeys at autox.team.net
> Betreff: Re: [Healeys] o/d problem
>
> Check the ball seat on the pump check valve. They usually need to
> have a new
> seat cut.
>
>
> David Nock
> British Car Specialists
> Stockton Ca 95205
> 209-948-8767
>
> www.britishcarspecialists.com
>
> Please feel free to view an interview with the Nock's in 2009
> 	Enjoy
> www.youtube.com/watch?v=QOTTRYkbQzs
> .
> .
>
> Sent from my iPad
>
> On Aug 29, 2013, at 7:33 PM, <healeymanjim at hansencc.net> wrote:
>
>> a club member has a bt7 that was really slow to engage in o/d.
>> suspecting
> a
> weak accumulator, i replaced the rubber O ring on the housing and
> the piston
> rings.  cannot get it to engage at all during the bench test.  took
> the o/d
> apart a few times and can find nothing wrong.  pumps oil but will not
> engage.
> before i go into it again tomorrow, any ideas on what i might be
> missing.
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