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..without actually seeing and feeling what is going on... my WAG is that
the clutch thrust ring is hanging up on the spring posts.. Where the
springs replaced with new. Are they in the correct positions? Will the
oft used wack the brake ring with a hammer release the condition?
DaveP
On 8/20/2019 6:20 AM, Michael Salter 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
>
> 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.Â
> This is true before and after the pressure has been released.Â
> 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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Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World
go here: WWW.PORTERBIKES.COM/
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<p>..without actually seeing and feeling what is going on... my WAG
is that the clutch thrust ring is hanging up on the spring posts..
Where the springs replaced with new. Are they in the correct
positions? Will the oft used wack the brake ring with a hammer
release the condition?</p>
<p>DaveP<br>
</p>
<div class="moz-cite-prefix">On 8/20/2019 6:20 AM, Michael Salter
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAB3i7LLP+SZMyj9y4fz5PJWRo4ri0e+3qT+LSB98kRo0dCBhrw@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="auto">Hi Mike,
<div dir="auto">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.</div>
<div dir="auto">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. </div>
<div dir="auto">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.</div>
<div dir="auto">This may not be the cause in your case but
certainly it is something worth considering. </div>
<div dir="auto">M</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Aug 19, 2019, 10:54 PM
Mike Tobin, <<a href="mailto:ahbt71@gmail.com";
target="_blank" rel="noreferrer"
moz-do-not-send="true">ahbt71@gmail.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<table
class="m_4605444903353592928m_3118405970152023969gmail-ajC"
style="border-spacing:0px;line-height:20px;font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:14px"
cellpadding="0">
<tbody>
<tr
class="m_4605444903353592928m_3118405970152023969gmail-ajv">
<td colspan="2"
class="m_4605444903353592928m_3118405970152023969gmail-gL"
style="vertical-align:top;width:auto;padding:2px
0px"><span
style="font-family:Arial,Helvetica,sans-serif;font-size:small">Hello
Again,</span>
<div
style="font-family:Arial,Helvetica,sans-serif;font-size:small"><br>
</div>
<div
style="font-family:Arial,Helvetica,sans-serif;font-size:small">Finally
got oil pressure in the rebuilt OD. 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 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.Â
 It's a hard mechanical stop. 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 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.</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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<pre class="moz-signature" cols="72">--
Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM. 505-352-1378 My World
go here: <a class="moz-txt-link-abbreviated"
href="http://WWW.PORTERBIKES.COM/";>WWW.PORTERBIKES.COM/</a></pre>
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