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Remove the overdrive drain plug to get access to the pump. Then remove =
the large plug on the bottom of the pump, you will be able to see the =
bottom of the piston. Then rotate the drive shaft and with a long =
screwdriver on bottom of the piston you will be able to see if the pump =
is moving up and down.=20
David Nock
British Car Specialists
209-948-8767
www.britishcarspecialists.com
From: simon.lachlan@alexarevel.plus.com=20
Sent: Monday, August 30, 2021 5:30 AM
To: gradea1@charter.net ; 'David Nock'=20
Cc: 'Healeys'=20
Subject: RE: [Healeys] Overdrive pump queries
Hi,
David has already steered me in the right direction with regard to the =
reamer.
=20
And a further query=E2=80=A6..
It seems very likely from what I confront in my car and from the advice =
received to date =E2=80=93 for which many thanks -..it seems very likely =
that the issue is caused by the pump plunger being stuck or, I suspect, =
not quite orientated.
Despite what you guys suspect by now(!), I study form religiously before =
I delve into these things and have been brought up short by a section in =
the BMC manual, Section G8, =E2=80=9CPump Valve=E2=80=9D. One is told =
how to put the =E2=80=9Cpump body=E2=80=9D back in using one of many =
mythical special tools and then the manual addresses the insertion of =
the =E2=80=9Cplunger=E2=80=9D (piston):- =E2=80=9CThe pump plunger is =
prevented from rotation when in position by a guide peg carried in the =
front casing. When assembling the pump, the plunger should be inserted =
with the flat on its head facing the rear of the unit. It is possible to =
guide it past the guide peg by means of a screwdriver inserted through =
the side of the casting=E2=80=9D.
1.. Can that procedure be carried out when the OD is still in the car =
as is implied by the manual?=20
2.. If so, where is the access point through which one can insert a =
screwdriver? (Strikes me that oil would gush out=E2=80=A6..If the pump =
ever restarted pumping!)=20
3.. If not so, is there a trick involved in getting the plunger up and =
correctly sited?
=20
Simon
=20
=20
=20
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Henry G =
Leach via Healeys
Sent: 30 August 2021 01:57
To: 'David Nock' <healeydoc@sbcglobal.net>
Cc: 'Healeys' <healeys@autox.team.net>
Subject: Re: [Healeys] Overdrive pump queries
=20
David-help this guy out here...he is getting desperate! He has been at =
this project for months and can't get enough pressure. What size reamer =
and where can he get one? He lives in UK. Thanks, Hank
-----------------------------------------
From: "David Nock"=20
To: gradea1@charter.net
Cc: "Michael Salter", "Healeys"
Sent: Sunday August 29 2021 12:28:02PM
Subject: Re: [Healeys] Overdrive pump queries
Smacking the check ball will not make a new seat in the pump. You must =
cut a new seat with a special reamer.=20
David Nock
=20
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<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR: #000000">
<DIV>Remove the overdrive drain plug to get access to the pump. Then =
remove the=20
large plug on the bottom of the pump, you will be able to see the bottom =
of the=20
piston. Then rotate the drive shaft and with a long screwdriver on =
bottom of the=20
piston you will be able to see if the pump is moving up and down. </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Century'; COLOR: =
#000000">David=20
Nock<BR>British Car=20
Specialists<BR>209-948-8767<BR>www.britishcarspecialists.com</DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV style=3D"FONT: 10pt tahoma">
<DIV> </DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A=20
title=3Dsimon.lachlan@alexarevel.plus.com>simon.lachlan@alexarevel.plus.c=
om</A>=20
</DIV>
<DIV><B>Sent:</B> Monday, August 30, 2021 5:30 AM</DIV>
<DIV><B>To:</B> <A title=3Dgradea1@charter.net>gradea1@charter.net</A> ; =
<A=20
title=3Dhealeydoc@sbcglobal.net>'David Nock'</A> </DIV>
<DIV><B>Cc:</B> <A title=3Dhealeys@autox.team.net>'Healeys'</A> </DIV>
<DIV><B>Subject:</B> RE: [Healeys] Overdrive pump =
queries</DIV></DIV></DIV>
<DIV> </DIV></DIV>
<DIV=20
style=3D'FONT-SIZE: small; TEXT-DECORATION: none; FONT-FAMILY: =
"Calibri"; FONT-WEIGHT: normal; COLOR: #000000; FONT-STYLE: normal; =
DISPLAY: inline'>
<DIV class=3DWordSection1>
<P class=3DMsoNormal><SPAN=20
style=3D"mso-fareast-language: en-us">Hi,<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN style=3D"mso-fareast-language: en-us">David =
has already=20
steered me in the right direction with regard to the=20
reamer.<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"mso-fareast-language: en-us"><o:p></o:p></SPAN> </P>
<P class=3DMsoNormal><SPAN style=3D"mso-fareast-language: en-us">And a =
further=20
query=E2=80=A6..<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN style=3D"mso-fareast-language: en-us">It =
seems very=20
likely from what I confront in my car and from the advice received to =
date =E2=80=93 for=20
which many thanks -..it seems very likely that the issue is caused by =
the pump=20
plunger being stuck or, I suspect, not quite =
orientated.<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN style=3D"mso-fareast-language: en-us">Despite =
what you=20
guys suspect by now(!), I study form religiously before I delve into =
these=20
things and have been brought up short by a section in the BMC manual, =
Section=20
G8, =E2=80=9CPump Valve=E2=80=9D. One is told how to put the =
=E2=80=9Cpump body=E2=80=9D back in using one of=20
many mythical special tools and then the manual addresses the insertion =
of the=20
=E2=80=9Cplunger=E2=80=9D (piston):- =E2=80=9CThe pump plunger is =
prevented from rotation when in=20
position by a guide peg carried in the front casing. When assembling the =
pump,=20
the plunger should be inserted with the flat on its head facing the rear =
of the=20
unit. It is possible to guide it past the guide peg by means of a =
screwdriver=20
inserted through the side of the casting=E2=80=9D.<o:p></o:p></SPAN></P>
<OL style=3D"MARGIN-TOP: 0cm" type=3D1>
<LI class=3DMsoListParagraph=20
style=3D"MARGIN-LEFT: 0cm; mso-list: l2 level1 lfo5"><SPAN=20
style=3D"mso-fareast-language: en-us">Can that procedure be carried =
out when the=20
OD is still in the car as is implied by the manual?<o:p></o:p></SPAN>=20
<LI class=3DMsoListParagraph=20
style=3D"MARGIN-LEFT: 0cm; mso-list: l2 level1 lfo5"><SPAN=20
style=3D"mso-fareast-language: en-us">If so, where is the access point =
through=20
which one can insert a screwdriver? (Strikes me that oil would gush =
out=E2=80=A6..If=20
the pump ever restarted pumping!)<o:p></o:p></SPAN>=20
<LI class=3DMsoListParagraph=20
style=3D"MARGIN-LEFT: 0cm; mso-list: l2 level1 lfo5"><SPAN=20
style=3D"mso-fareast-language: en-us">If not so, is there a trick =
involved in=20
getting the plunger up and correctly =
sited?<o:p></o:p></SPAN></LI></OL>
<P class=3DMsoListParagraph><SPAN=20
style=3D"mso-fareast-language: en-us"><o:p></o:p></SPAN> </P>
<P class=3DMsoListParagraph><SPAN=20
style=3D"mso-fareast-language: en-us">Simon<o:p></o:p></SPAN></P>
<P class=3DMsoNormal><SPAN=20
style=3D"mso-fareast-language: en-us"><o:p></o:p></SPAN> </P>
<P class=3DMsoNormal><SPAN=20
style=3D"mso-fareast-language: en-us"><o:p></o:p></SPAN> </P>
<P class=3DMsoNormal><SPAN=20
style=3D"mso-fareast-language: en-us"><o:p></o:p></SPAN> </P>
<DIV>
<DIV=20
style=3D"BORDER-TOP: #e1e1e1 1pt solid; BORDER-RIGHT: medium none; =
BORDER-BOTTOM: medium none; PADDING-BOTTOM: 0cm; PADDING-TOP: 3pt; =
PADDING-LEFT: 0cm; BORDER-LEFT: medium none; PADDING-RIGHT: 0cm">
<P class=3DMsoNormal><B><SPAN lang=3DEN-US>From:</SPAN></B><SPAN =
lang=3DEN-US> Healeys=20
<healeys-bounces@autox.team.net> <B>On Behalf Of </B>Henry G Leach =
via=20
Healeys<BR><B>Sent:</B> 30 August 2021 01:57<BR><B>To:</B> 'David Nock'=20
<healeydoc@sbcglobal.net><BR><B>Cc:</B> 'Healeys'=20
<healeys@autox.team.net><BR><B>Subject:</B> Re: [Healeys] =
Overdrive pump=20
queries<o:p></o:p></SPAN></P></DIV></DIV>
<P class=3DMsoNormal><o:p></o:p> </P>
<P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt">David-help this guy =
out here...he=20
is getting desperate! He has been at this project for months and can't =
get=20
enough pressure. What size reamer and where can he get one? He =
lives in=20
UK. Thanks, Hank<o:p></o:p></P>
<P>-----------------------------------------<o:p></o:p></P>
<P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt">From: "David Nock" =
<BR>To:=20
<A>gradea1@charter.net</A><BR>Cc: "Michael Salter", "Healeys"<BR>Sent: =
Sunday=20
August 29 2021 12:28:02PM<BR>Subject: Re: [Healeys] Overdrive pump=20
queries<BR><BR>Smacking the check ball will not make a new seat in the =
pump. You=20
must cut a new seat with a special reamer. <o:p></o:p></P>
<DIV>
<DIV>
<P class=3DMsoNormal>David Nock<o:p></o:p></P></DIV>
<DIV>
<P=20
class=3DMsoNormal><o:p></o:p> </P></DIV></DIV></DIV></DIV></DIV></DI=
V></BODY></HTML>
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