--===============4892416213049371891==
--000000000000f15bd90590907bfe
Hit the OD with a hammer once and the problem went away.
Ran up the pressure again and the problem was back. This time it took a
number of pretty good whacks to get it unstuck.
Pressurized it a third time and now it won't unstick after a lot of good
whacks. I'm reluctant to hit it any harder.
Unless there are any other ideas, I guess the damn thing comes out and
apart again.
Cheers,
Mike
On Tue, Aug 20, 2019 at 8:01 AM Chris Dimmock <austin.healey@gmail.com>
wrote:
> Nah.
> Just tap the steel ring in the overdrive with your knock off hammer to
> release the springs.
> Works every time. For me anyway.
> The springs release the overdrive, and sometimes, they get just get stuck.
> It's a mystery of the world.
> But a few taps on that steel plate seems to realign the planets. And
> release those pesky springs!
> Allegedly.
> Worked for me. 3 times in the past 35 years. Mostly when I'd driven the
> car hard.
> But it seems to fix the issue, when you can't select reverse.
> And it's so much easier on the bench, than on your back, lying under the
> car!
> Best
> Chris.
>
>
> On 20 Aug 2019, at 10:20 pm, Michael Salter <michaelsalter@gmail.com>
> wrote:
>
> Hi Mike,
> I recently experienced exactly the same problem with newly rebuilt a BT7
> side shift gearbox and overdrive unit when turning it backwards before
> adding oil.
> Like you I suspected the Sprague clutch but after considerable
> investigation the cause turned out to be the new 2nd gear syncro ring
> which, when the box was turned backwards, was winding itself tightly onto
> the cone of 2nd gear.
> This is something I've never experienced before but concluded that it was
> unlikely to present a problem after the box has be run with new oil.
> This may not be the cause in your case but certainly it is something worth
> considering.
> M
>
> On Mon, Aug 19, 2019, 10:54 PM Mike Tobin, <ahbt71@gmail.com> wrote:
>
>> Hello Again,
>>
>> Finally got oil pressure in the rebuilt OD. With the car in 4th it shows
>> about 500 psi on a gauge.
>> However, I noticed when reattaching the drive shaft that with the trans
>> in neutral the output won't rotate in the reverse direction. It rotates
>> easily by hand in the forward direction. This is true before and after the
>> pressure has been released. Before getting pressure in the OD it rotated
>> by hand in both directions. I haven't tried to engage the OD. It's a
>> hard mechanical stop. I'm afraid the one-directional clutch be engaged and
>> I don't want to break anything.
>>
>> I've been a long time gone from this fine place. Life's taken a lot of
>> twists and turns, but it's good to be getting back to having to come here
>> for help.
>>
>> Thanks and Cheers
>> Mike Tobin
>> Townsend, Montana
>> _______________________________________________
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>>
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> Suggested annual donation $12.75
>
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--000000000000f15bd90590907bfe
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">Hit the OD with a hammer once and the problem went away.<d=
iv>Ran up the pressure again and the problem was back.=C2=A0 This time it t=
ook a number of pretty good whacks to get it unstuck.</div><div>Pressurized=
it a third time and now it won't unstick after a lot of good whacks.=
=C2=A0 I'm reluctant to hit it any harder.</div><div>Unless there are a=
ny other ideas, I guess the damn thing comes out and apart again.</div><div=
>Cheers,</div><div>Mike</div></div><br><div class=3D"gmail_quote"><div dir=
=3D"ltr" class=3D"gmail_attr">On Tue, Aug 20, 2019 at 8:01 AM Chris Dimmock=
<<a href=3D"mailto:austin.healey@gmail.com";>austin.healey@gmail.com</a>=
> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div=
dir=3D"auto"><div>Nah.=C2=A0</div><div id=3D"gmail-m_-3178964089480278003A=
ppleMailSignature">Just tap the steel ring in the overdrive with your knock=
off hammer to release the springs.=C2=A0</div><div id=3D"gmail-m_-31789640=
89480278003AppleMailSignature">Works every time. For me anyway.=C2=A0</div>=
<div id=3D"gmail-m_-3178964089480278003AppleMailSignature">The springs rele=
ase the overdrive, and sometimes, they get just get stuck.=C2=A0</div><div =
id=3D"gmail-m_-3178964089480278003AppleMailSignature">It's a mystery of=
the world.=C2=A0</div><div id=3D"gmail-m_-3178964089480278003AppleMailSign=
ature">But a few taps on that steel plate seems to realign the planets. And=
release those pesky springs!</div><div id=3D"gmail-m_-3178964089480278003A=
ppleMailSignature">Allegedly.=C2=A0</div><div id=3D"gmail-m_-31789640894802=
78003AppleMailSignature">Worked for me. 3 times in the past 35 years. Mostl=
y when I'd driven the car hard.=C2=A0</div><div id=3D"gmail-m_-31789640=
89480278003AppleMailSignature">But it seems to fix the issue, when you can&=
#39;t select reverse.=C2=A0</div><div id=3D"gmail-m_-3178964089480278003App=
leMailSignature">And it's so much easier on the bench, than on your bac=
k, lying under the car!=C2=A0</div><div id=3D"gmail-m_-3178964089480278003A=
ppleMailSignature">Best=C2=A0</div><div id=3D"gmail-m_-3178964089480278003A=
ppleMailSignature">Chris.=C2=A0<br><br></div><div><br>On 20 Aug 2019, at 10=
:20 pm, Michael Salter <<a href=3D"mailto:michaelsalter@gmail.com"; targe=
t=3D"_blank">michaelsalter@gmail.com</a>> wrote:<br><br></div><blockquot=
e type=3D"cite"><div><div dir=3D"auto">Hi Mike,<div dir=3D"auto">I recently=
experienced exactly the same=C2=A0problem with newly rebuilt a BT7 side sh=
ift gearbox and overdrive unit when turning it backwards before adding oil.=
</div><div dir=3D"auto">Like you I suspected the Sprague clutch but after c=
onsiderable investigation the cause turned out to be the new 2nd gear syncr=
o ring which, when the box was turned backwards, was winding itself tightly=
onto the cone of 2nd gear.=C2=A0</div><div dir=3D"auto">This is something =
I've never experienced=C2=A0before but concluded that it was unlikely t=
o present a problem after the box has be run with new oil.</div><div dir=3D=
"auto">This may not be the cause in your case but certainly it is something=
worth considering.=C2=A0</div><div dir=3D"auto">M</div></div><br><div clas=
s=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Mon, Aug 19, 201=
9, 10:54 PM Mike Tobin, <<a href=3D"mailto:ahbt71@gmail.com"; rel=3D"nore=
ferrer" target=3D"_blank">ahbt71@gmail.com</a>> wrote:<br></div><blockqu=
ote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px=
solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><table cellpaddi=
ng=3D"0" class=3D"gmail-m_-3178964089480278003m_4605444903353592928m_311840=
5970152023969gmail-ajC" style=3D"border-spacing:0px;line-height:20px;font-f=
amily:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:14px"><tbody>=
<tr class=3D"gmail-m_-3178964089480278003m_4605444903353592928m_31184059701=
52023969gmail-ajv"><td colspan=3D"2" class=3D"gmail-m_-3178964089480278003m=
_4605444903353592928m_3118405970152023969gmail-gL" style=3D"vertical-align:=
top;width:auto;padding:2px 0px"><span style=3D"font-family:Arial,Helvetica,=
sans-serif;font-size:small">Hello Again,</span><div style=3D"font-family:Ar=
ial,Helvetica,sans-serif;font-size:small"><br></div><div style=3D"font-fami=
ly:Arial,Helvetica,sans-serif;font-size:small">Finally got oil pressure in =
the rebuilt OD.=C2=A0 With the car in 4th it shows about 500 psi on a gauge=
.<div>However, I noticed when reattaching the drive shaft that with the tra=
ns in neutral the output won't rotate in the reverse direction.=C2=A0 I=
t rotates easily by hand in the forward direction.=C2=A0 This is true befor=
e and after the pressure has been released.=C2=A0 Before getting pressure i=
n the OD it rotated by hand in both directions.=C2=A0 I haven't tried t=
o engage the OD.=C2=A0 =C2=A0It's a hard mechanical stop.=C2=A0 I'm=
afraid the one-directional clutch be engaged and I don't want to break=
anything.</div><div><br></div><div>I've been a long time gone from thi=
s fine place.=C2=A0 Life's taken a lot of twists and turns, but it'=
s good to be getting back to having to come here for help.</div><div><br></=
div><div>Thanks and Cheers</div><div>Mike Tobin</div><div>Townsend, Montana=
</div></div></td></tr></tbody></table></div>
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