[Healeys] Help-Low pressure in the overdrive unit

[Maurice Maxwell]

Norman,

I do have your excellent book, and I have used it many
times to solve other problems.  I am also using it as
a reference with this problem.

Thank you for making this book available to Healey
owners.

Max
--- Shona Nock <sjnnock at sbcglobal.com> wrote:

> Max ... Do you have my book " TECH TALK " ?? most
> problems with A/H  
> overdrives is adjustment ... Norman Nock
> 
> 
> 
> 
> On Jan 21, 2008, at 1:11 PM, Maurice Maxwell wrote:
> 
> > My overdrive unit will not engage and has an
> operating
> > pressure of about 320 pounds pressure at 1000 rpm
> on
> > the tach.  Removal of the accumulator spring and
> > placing two washers as a ship under the spring
> > increased the pressure to about 380 lb pressure at
> > 1000 rpm and about 400 lb at 1500 rpm.  There was
> no
> > trash on either operating valve ball or the pump
> > non-return valve.  The oil appeared clean and
> there
> > was no trash in the filter screen.  What could be
> the
> > most likely cause of the low pressure?
> >
> > Thanks in advance,
> > Max
> > 1961 BT7
> >
> >
> >
> >        
> >
>
______________________________________________________________________
> 
> > ______________
> > Be a better friend, newshound, and
> > know-it-all with Yahoo! Mobile.  Try it now. 
> http:// 
> >
> mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
> > _______________________________________________
> > Support Team.Net http://www.team.net/donate.html
> >
> > Healeys at autox.team.net
> > http://autox.team.net/mailman/listinfo/healeys
> >
> > You are subscribed as sjnnock at sbcglobal.net
> >
> > http://www.team.net/archive
> 
> 




      ____________________________________________________________________________________
Be a better friend, newshound, and 
know-it-all with Yahoo! Mobile.  Try it now.  http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ