Subject: Re: [Spridgets] gearbox issue torque spec

From: Derf via Spridgets <[email-masked]>
Date: Wed, 3 Aug 2022 19:05:06 -0500

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If there is a bend over tab washer then there is probably a tolerance like
front wheel bearings and not necessarily a torque spec.
Also, check your pilot bearing/bushing carefully.

On Wed, Aug 3, 2022 at 7:00 PM Mike Rambour via Spridgets <
[email-masked]> wrote:

>  Hi,
>
>  My gearbox works fine, shifts fine, etc. but developed a knock.  I
> removed it and found the front cover plate by the input shaft broken,
> removed the front cover and found the nut had worked loose, tore up the
> front cover.
>
>  I am hoping that is all that is wrong with the gearbox, I have gone
> through the Haynes and can't find a torque spec for it, I did find "Drive
> Nut 90-100" but is that this nut highlighted in the picture below (I hope
> it comes through) ?
>
>  Last question is, can I put the thing in gear, protect the output shaft
> splines on the other end in a vice and torque this down (and I have a new
> tab to bend over the nut, the old one looks pretty bad) or will I damage
> something in the gearbox ? I really don't want to dismantle the gearbox if
> that is all that is wrong it.  I am going to assume that if the gearbox
> can't handle me torquing this nut down, it could not handle the stresses of
> being driven on the road, especially with hard downshifts, but never hurts
> to ask.
>
>     mike
>
> --
> A gun is like a parachute, if you need one but don't have it,
> you'll probably never need one again.
>
> ------------------------
>
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>
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<div dir=3D"ltr">If there is a bend over tab washer then there is probably =
a tolerance=C2=A0like front wheel bearings and not necessarily a torque spe=
c.=C2=A0=C2=A0<div>Also, check your pilot bearing/bushing carefully.</div><=
div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Wed, Aug 3, 2022 at 7:00 PM Mike Rambour via Spridgets &=
lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>=
&gt; 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">
 =20

   =20
 =20
  <div>
    <p>=C2=A0Hi, <br>
    </p>
    <p>=C2=A0My gearbox works fine, shifts fine, etc. but developed a knock=
.=C2=A0
      I removed it and found the front cover plate by the input shaft
      broken, removed the front cover and found the nut had worked
      loose, tore up the front cover.=C2=A0 <br>
    </p>
    <p>=C2=A0I am hoping that is all that is wrong with the gearbox, I have
      gone through the Haynes and can&#39;t find a torque spec for it, I di=
d
      find &quot;Drive Nut 90-100&quot; but is that this nut highlighted in=
 the
      picture below (I hope it comes through) ?<br>
    </p>
    <p>=C2=A0Last question is, can I put the thing in gear, protect the
      output shaft splines on the other end in a vice and torque this
      down (and I have a new tab to bend over the nut, the old one looks
      pretty bad) or will I damage something in the gearbox ? I really
      don&#39;t want to dismantle the gearbox if that is all that is wrong
      it.=C2=A0 I am going to assume that if the gearbox can&#39;t handle m=
e
      torquing this nut down, it could not handle the stresses of being
      driven on the road, especially with hard downshifts, but never
      hurts to ask.=C2=A0 <br>
    </p>
    <p>=C2=A0=C2=A0=C2=A0 mike<img src=3D"cid:182662a1cfd968252101"><br>
    </p>
    <pre cols=3D"72">--=20
A gun is like a parachute, if you need one but don&#39;t have it,
you&#39;ll probably never need one again.</pre>
  </div>
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</blockquote></div>

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From: Derf via Spridgets <[email-masked]>
Date: Wed, 3 Aug 2022 19:10:38 -0500

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I haven't been inside a Spridget gearbox since 1986 or so but I have been
inside quite a few T5s lately.  On a T5 the input shaft bearing retainer
has shims to set the end play of the shaft.  I would imagine that
adjustment nut in your pic would do a similar thing.
On more than a few T5s I've been in that had problems with the input shaft
the pilot bearing was the main problem.

>> being driven on the road, especially with hard downshifts, but never hurts

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<div dir=3D"ltr">I haven&#39;t been inside a Spridget gearbox since 1986 or=
 so but I have been inside quite a few T5s lately.=C2=A0 On a T5 the input =
shaft bearing retainer has shims to set the end play of the shaft.=C2=A0 I =
would imagine that adjustment nut in your pic would do a similar thing.=C2=
=A0=C2=A0<div>On more than a few T5s I&#39;ve been in that had problems wit=
h the input shaft the pilot bearing was the main problem.=C2=A0=C2=A0</div>=
</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">=
On Wed, Aug 3, 2022 at 7:05 PM Derf &lt;<a href=3D"mailto:[email-masked]=
">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quot=
e" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204)=
;padding-left:1ex"><div dir=3D"ltr">If there is a bend over tab washer then=
 there is probably a tolerance=C2=A0like front wheel bearings and not neces=
sarily a torque spec.=C2=A0=C2=A0<div>Also, check your pilot bearing/bushin=
g carefully.</div><div><br></div></div><br><div class=3D"gmail_quote"><div =
dir=3D"ltr" class=3D"gmail_attr">On Wed, Aug 3, 2022 at 7:00 PM Mike Rambou=
r via Spridgets &lt;<a href=3D"mailto:[email-masked]" target=3D"_=
blank">[email-masked]</a>&gt; wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">
 =20

   =20
 =20
  <div>
    <p>=C2=A0Hi, <br>
    </p>

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