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It is on my site on the British Humor page. Gotta scroll down a bit to =
see it.
=20
John Sims
<http://www.healey6.com/> www.healey6.com
Matawan, NJ
=20
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Bob Spidell
Sent: Tuesday, June 20, 2023 12:11 PM
To: Michael Salter <michaelsalter@gmail.com>
Cc: healeys@autox.team.net
Subject: Re: [Healeys] Mating the overdrive to the transmission
=20
Reminds me ... Decades ago, there was a 'meme'--before memes were a =
thing--consisting of an image of all the 'special tools' BMC insisted a =
mechanic needed to work on their cars. There was a picture of every =
tool, next to an 'equal' sign and ... a hammer. I had a copy of it, =
always good for a chuckle, but that computer was stolen; anyone still =
have it?
On 6/20/2023 8:55 AM, Michael Salter wrote:
Point of interest ... there's actually a special tool for removing the =
pump.=20
I think I've only ever used it once!!
=20
=20
=20
On Tue., Jun. 20, 2023, 11:48 a.m. Bob Spidell, <bspidell@comcast.net =
re: "Now the oil pump. This is not simply held in place by the 2 screws. =
It is an interference fit and needs to be pulled out with a 7/16 - 20 =
bolt - actually a couple of varying lengths makes it easier. Also a =
selection of large washers and spacers are required. To ensure that it =
does not twist on you you need some longer about 1/12 in 8-32 screws =
that replace the shorter ones mentioned. Also the NR valve MUST be =
removed and this in turn implies that the hydraulic cover and large =
accumulator spring is out. Furthermore the pump has to be fitted in the =
correct orientation. I try to make a mark but easy to get it wrong if =
lying on your back. Damage can be done inserting it the wrong way =
around."
Roger,
Thanks for the correction. I watched the process from a distance so =
missed many of the details (plus, it was 6-7 years ago).=20
Bob
On 6/20/2023 8:42 AM, Roger Grace wrote:
A few minor corrections ...
Yes MS is correct there is simply no substitute for having a spare shaft =
- I try to say goodnight to mine every evening !
I have made his special tool and can confirm it does work.
However it does imply that the OD is open between the adaptor flange and =
the OD.
I also use the wire/twine technique.
=20
Now the oil pump. This is not simply held in place by the 2 screws. It =
is an interference fit and needs to be pulled out with a 7/16 - 20 bolt =
- actually a couple of varying lengths makes it easier. Also a selection =
of large washers and spacers are required. To ensure that it does not =
twist on you you need some longer about 1/12 in 8-32 screws that replace =
the shorter ones mentioned. Also the NR valve MUST be removed and this =
in turn implies that the hydraulic cover and large accumulator spring is =
out. Furthermore the pump has to be fitted in the correct orientation. I =
try to make a mark but easy to get it wrong if lying on your back. =
Damage can be done inserting it the wrong way around.
=20
Nowadays I find it easier to assemble the complete OD with the adapter =
plate already fitted to the OD. You then don't have to fight with the =
release springs as well as gasket goo and the oil pump spring retention =
all together. Then use the dummy to do the bl alignment after some =
careful threading to pull back the pump spring. I have used this a few =
times lowering onto the GB and also even on its side. Patience !
rg
=20
=20
On Tue, Jun 20, 2023 at 5:03=E2=80=AFAM Michael Salter =
Although one may be difficult to find there is no substitute for a spare =
gearbox 3rd motion shaft for this job.=20
The spare shaft is used to align all the internals then, using my =
special tool to hold the pump plunger retracted
https://precisionsportscar.com/laycock-de-normanville-overdrive-installat=
ion-tool/
it is a simple task to lower the overdrive onto the gearbox.=20
=20
M
=20
On Mon., Jun. 19, 2023, 11:41 p.m. Bob Spidell, <bspidell@comcast.net =
There is a bronze thrust washer that has to be perfectly centered to get =
that last 3/4" (#148 in this diagram):
https://mossmotors.com/ahy-041-overdrive-unit-bn2-thru-bj8
You can wiggle it around with a long screwdriver, or use a suitable =
'drift' to center it. Your best bet is to sit the O/D on end and lower =
the gearbox onto it; gently rotating the gearbox while lowering. First =
time I did this I must have got lucky, but danged if I can explain this =
(see attached photo). Most recently I fought for a couple days then =
threw in the towel and took gearbox and O/D to BCS which, fortunately, =
is only a half-hour away. David and his mechanics had a novel technique =
I've not heard described anywhere; basically, he removed the pump =
completely--it's only two screws IIRC--and split the O/D into front and =
rear sections and tipped the gearbox and O/D up--gearbox on bottom--then =
had two of his mechanics pull the sections together with huge =
channellock pliers while David rotated the output shaft to 'feel it in' =
(you had to be there).
Good luck. Make triply sure you have the pump cam oriented correctly, or =
you'll get more experience with this process than you probably want.
bs
On 6/19/2023 6:18 PM, warthodson--- via Healeys wrote:
I spent the day assisting a friend trying to mate his OD to his =
transmission. The car is a '63 BJ7. The overdrive & Trans. were pulled =
to replace a few internal trans parts which was done & we did not run =
into any issues. We can get the OD to within approx. 1/2-3/4" of mating =
to the trans, but cannot close that gap. We have confirmed that the oil =
pump roller has been fully retracted. What are we bumping up against & =
how do we get past it?
Gary Hodson
=20
=20
_______________________________________________
Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys
http://autox.team.net/mailman/listinfo/healeys
http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com
_______________________________________________
Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys
http://autox.team.net/mailman/listinfo/healeys
http://autox.team.net/mailman/options/healeys/roggrace@telus.net
=20
=20
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><b><span =
style=3D'font-size:12.0pt;font-family:"Arial Black",sans-serif'>It is on =
my site on the British Humor page. Gotta scroll down a bit to see =
it.<o:p></o:p></span></b></p><p class=3DMsoNormal><b><span =
style=3D'font-size:12.0pt;font-family:"Arial =
Black",sans-serif'><o:p> </o:p></span></b></p><div><p =
class=3DMsoNormal><b><span style=3D'font-size:12.0pt;font-family:"Arial =
Black",sans-serif'>John Sims<o:p></o:p></span></b></p><p =
class=3DMsoNormal><b><span style=3D'font-size:12.0pt;font-family:"Arial =
Black",sans-serif'><a href=3D"http://www.healey6.com/";><span =
style=3D'color:#0563C1'>www.healey6.com</span></a><o:p></o:p></span></b><=
/p><p class=3DMsoNormal><b><span =
style=3D'font-size:12.0pt;font-family:"Arial Black",sans-serif'>Matawan, =
NJ<o:p></o:p></span></b></p></div><p class=3DMsoNormal><b><span =
style=3D'font-size:12.0pt;font-family:"Arial =
Black",sans-serif'><o:p> </o:p></span></b></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b>From:</b> Healeys =
<healeys-bounces@autox.team.net> <b>On Behalf Of </b>Bob =
Spidell<br><b>Sent:</b> Tuesday, June 20, 2023 12:11 PM<br><b>To:</b> =
Michael Salter <michaelsalter@gmail.com><br><b>Cc:</b> =
healeys@autox.team.net<br><b>Subject:</b> Re: [Healeys] Mating the =
overdrive to the transmission<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>Reminds me ... Decades ago, there was a =
'meme'--before memes were a thing--consisting of an image of all the =
'special tools' BMC insisted a mechanic needed to work on their cars. =
There was a picture of every tool, next to an 'equal' sign and ... a =
hammer. I had a copy of it, always good for a chuckle, but that computer =
was stolen; anyone still have it?<br><br><o:p></o:p></p><div><p =
class=3DMsoNormal>On 6/20/2023 8:55 AM, Michael Salter =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal>Point of interest ... there's actually a special =
tool for removing the pump. <o:p></o:p></p><div><p class=3DMsoNormal>I =
think I've only ever used it once!!<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>On =
Tue., Jun. 20, 2023, 11:48 a.m. Bob Spidell, <<a =
href=3D"mailto:bspidell@comcast.net";>bspidell@comcast.net</a>> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>re: "Now the oil pump. This is not =
simply held in place by the 2 screws. It is an interference fit and =
needs to be pulled out with a 7/16 - 20 bolt - actually a couple of =
varying lengths makes it easier. Also a selection of large washers and =
spacers are required. To ensure that it does not twist on you you need =
some longer about 1/12 in 8-32 screws that replace the shorter ones =
mentioned. Also the NR valve MUST be removed and this in turn implies =
that the hydraulic cover and large accumulator spring is out. =
Furthermore the pump has to be fitted in the correct orientation. I try =
to make a mark but easy to get it wrong if lying on your back. Damage =
can be done inserting it the wrong way =
around."<br><br><br>Roger,<br><br>Thanks for the correction. I =
watched the process from a distance so missed many of the details (plus, =
it was 6-7 years ago). <br><br>Bob<br><br><o:p></o:p></p><div><p =
class=3DMsoNormal>On 6/20/2023 8:42 AM, Roger Grace =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p =
class=3DMsoNormal>A few minor corrections =
...<o:p></o:p></p></div><div><p class=3DMsoNormal>Yes MS is correct =
there is simply no substitute for having a spare shaft - I try to say =
goodnight to mine every evening !<o:p></o:p></p></div><div><p =
class=3DMsoNormal>I have made his special tool and can confirm it does =
work.<o:p></o:p></p></div><div><p class=3DMsoNormal>However it does =
imply that the OD is open between the adaptor flange and the =
OD.<o:p></o:p></p></div><div><p class=3DMsoNormal>I also use the =
wire/twine technique.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Now the oil pump. This is not simply held in place by =
the 2 screws. It is an interference fit and needs to be pulled out with =
a 7/16 - 20 bolt - actually a couple of varying lengths makes it easier. =
Also a selection of large washers and spacers are required. To ensure =
that it does not twist on you you need some longer about 1/12 in 8-32 =
screws that replace the shorter ones mentioned. Also the NR valve MUST =
be removed and this in turn implies that the hydraulic cover and large =
accumulator spring is out. Furthermore the pump has to be fitted in the =
correct orientation. I try to make a mark but easy to get it wrong if =
lying on your back. Damage can be done inserting it the wrong way =
around.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Nowadays I find it easier to assemble the complete OD =
with the adapter plate already fitted to the OD. You then don't have to =
fight with the release springs as well as gasket goo and the oil pump =
spring retention all together. Then use the dummy to do the bl alignment =
after some careful threading to pull back the pump spring. I have used =
this a few times lowering onto the GB and also even on its side. =
Patience !<o:p></o:p></p></div><div><p =
class=3DMsoNormal>rg<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>On =
Tue, Jun 20, 2023 at 5:03=E2=80=AFAM Michael Salter <<a =
href=3D"mailto:michaelsalter@gmail.com"; =
target=3D"_blank">michaelsalter@gmail.com</a>> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><p =
class=3DMsoNormal>Although one may be difficult to find there is no =
substitute for a spare gearbox 3rd motion shaft for this job. =
<o:p></o:p></p><div><p class=3DMsoNormal>The spare shaft is used to =
align all the internals then, using my special tool to hold the pump =
plunger retracted<o:p></o:p></p></div><div><p class=3DMsoNormal><a =
href=3D"https://precisionsportscar.com/laycock-de-normanville-overdrive-i=
nstallation-tool/" =
target=3D"_blank">https://precisionsportscar.com/laycock-de-normanville-o=
verdrive-installation-tool/</a><o:p></o:p></p></div><div><p =
class=3DMsoNormal> it is a simple task to lower the overdrive onto =
the gearbox. <o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>M<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>On =
Mon., Jun. 19, 2023, 11:41 p.m. Bob Spidell, <<a =
href=3D"mailto:bspidell@comcast.net"; =
target=3D"_blank">bspidell@comcast.net</a>> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>There is a bronze thrust washer that has =
to be perfectly centered to get that last 3/4" (#148 in this =
diagram):<br><br><a =
href=3D"https://mossmotors.com/ahy-041-overdrive-unit-bn2-thru-bj8"; =
target=3D"_blank">https://mossmotors.com/ahy-041-overdrive-unit-bn2-thru-=
bj8</a><br><br>You can wiggle it around with a long screwdriver, or use =
a suitable 'drift' to center it. Your best bet is to sit the O/D on end =
and lower the gearbox onto it; gently rotating the gearbox while =
lowering. First time I did this I must have got lucky, but danged if I =
can explain this (see attached photo). Most recently I fought for a =
couple days then threw in the towel and took gearbox and O/D to BCS =
which, fortunately, is only a half-hour away. David and his mechanics =
had a novel technique I've not heard described anywhere; basically, he =
removed the pump completely--it's only two screws IIRC--and split the =
O/D into front and rear sections and tipped the gearbox and O/D =
up--gearbox on bottom--then had two of his mechanics pull the sections =
together with huge channellock pliers while David rotated the output =
shaft to 'feel it in' (you had to be there).<br><br>Good luck. Make =
triply sure you have the pump cam oriented correctly, or you'll get more =
experience with this process than you probably =
want.<br><br>bs<o:p></o:p></p><div><p class=3DMsoNormal>On 6/19/2023 =
6:18 PM, warthodson--- via Healeys =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Comic =
Sans MS"'>I spent the day assisting a friend trying to mate his OD to =
his transmission. The car is a '63 BJ7. The overdrive & Trans. were =
pulled to replace a few internal trans parts which was done & we did =
not run into any issues. We can get the OD to within approx. =
1/2-3/4" of mating to the trans, but cannot close that gap. We have =
confirmed that the oil pump roller has been fully retracted. What are we =
bumping up against & how do we get past =
it?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Comic Sans MS"'>Gary =
Hodson<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p></blockquote><p =
class=3DMsoNormal><o:p> </o:p></p></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
_____<br>Support Team.Net <a href=3D"http://www.team.net/donate.html"; =
target=3D"_blank">http://www.team.net/donate.html</a><br>Suggested =
annual donation $12.75<br><br>Archive: <a =
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