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Re: [Healeys] Master Cylinder Packing Shims

To: simon.lachlan@alexarevel.plus.com
Subject: Re: [Healeys] Master Cylinder Packing Shims
From: richard mayor via Healeys <healeys@autox.team.net>
Date: Tue, 9 Nov 2021 13:12:07 -0800
Cc: Healeys <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <707BCF42-C03C-4175-BBCD-5A1AE8B786A9@hxcore.ol> <000001d7d5a0$5a213b90$0e63b2b0$@alexarevel.plus.com>
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The "packing pieces", or shims, go between the firewall and master
cylinders.  They move the master cylinders forward which then moves the
pedal arms forward resulting in the pedal foot pad being lower. This way
you can adjust the clutch and brake pedals to be at the same height.   It
does not change the stroke of the master cylinder in any way.

On Tue, Nov 9, 2021 at 11:31 AM Simon Lachlan via Healeys <
healeys@autox.team.net> wrote:

> Certainly 4 are shown in my parts book, so suitable for MkIIs. Shaped and
> show as a fit between cylinder and bulkhead.
>
> Surely the fact there are 4 indicates that they are indeed meant as some
> form of adjustment shim.
>
> In my drawer of brake and clutch related =E2=80=9Cuseful stuff=E2=80=9D t=
here was an
> apparently unused brake master cylinder with an adjustable push rod. The
> shaft=E2=80=99s rod was threaded and screwed in and out of the clevis pin=
 end and
> could be locked with a nut.
>
> Perhaps the cheap(er) shims replaced the more expensive cylinder?
>
> Adjusting the shaft in situ would be an absolute nightmare for anyone who
> wasn=E2=80=99t whippet thin and possessed of short arms with many joints.
>
> Simon
>
>
>
> *From:* Healeys <healeys-bounces@autox.team.net> *On Behalf Of *Harold
> Manifold via Healeys
> *Sent:* 09 November 2021 16:56
> *To:* Ken Fleming via Healeys <healeys@autox.team.net>
> *Subject:* [Healeys] Master Cylinder Packing Shims
>
>
>
> Who knows what the purpose of the Master Cylinder Packing Piece is? There
> are 4 on the brake master cylinder and none on the clutch master cylinder=
.
> As far as I can tell the packing piece would reduce the distance the push
> rod can travel into the bore of the master cylinder. Is there an adjustme=
nt
> for the brake pedal and push rod that you use these packing pieces to set=
?
>
>
>
> The workshop manual specifically mentions =E2=80=9Cnot forgetting to fit =
the
> packing washer first=E2=80=9D as part of the brake master cylinder instal=
lation.
>
>
>
>
>
>
>
> Thanks=E2=80=A6 Harold
>
>
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<div dir=3D"ltr">The &quot;packing pieces&quot;, or shims, go between the f=
irewall and master cylinders.=C2=A0 They move the master cylinders forward =
which then moves the pedal arms forward resulting in the pedal foot pad bei=
ng lower. This way you can adjust the clutch and brake pedals to be at the =
same height. =C2=A0 It does not change the stroke of the master cylinder in=
 any way.<br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D=
"gmail_attr">On Tue, Nov 9, 2021 at 11:31 AM Simon Lachlan via Healeys &lt;=
<a href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>&gt; wr=
ote:<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 lang=
=3D"EN-GB"><div class=3D"gmail-m_5910726119007090290WordSection1"><p class=
=3D"MsoNormal"><span>Certainly 4 are shown in my parts book, so suitable fo=
r MkIIs. Shaped and show as a fit between cylinder and bulkhead. <u></u><u>=
</u></span></p><p class=3D"MsoNormal"><span>Surely the fact there are 4 ind=
icates that they are indeed meant as some form of adjustment shim.<u></u><u=
></u></span></p><p class=3D"MsoNormal"><span>In my drawer of brake and clut=
ch related =E2=80=9Cuseful stuff=E2=80=9D there was an apparently unused br=
ake master cylinder with an adjustable push rod. The shaft=E2=80=99s rod wa=
s threaded and screwed in and out of the clevis pin end and could be locked=
 with a nut.<u></u><u></u></span></p><p class=3D"MsoNormal"><span>Perhaps t=
he cheap(er) shims replaced the more expensive cylinder?<u></u><u></u></spa=
n></p><p class=3D"MsoNormal"><span>Adjusting the shaft in situ would be an =
absolute nightmare for anyone who wasn=E2=80=99t whippet thin and possessed=
 of short arms with many joints.<u></u><u></u></span></p><p class=3D"MsoNor=
mal"><span>Simon<u></u><u></u></span></p><p class=3D"MsoNormal"><span><u></=
u>=C2=A0<u></u></span></p><div><div style=3D"border-color:rgb(225,225,225) =
currentcolor currentcolor;border-style:solid none none;border-width:1pt med=
ium medium;padding:3pt 0cm 0cm"><p class=3D"MsoNormal"><b><span lang=3D"EN-=
US">From:</span></b><span lang=3D"EN-US"> Healeys &lt;<a href=3D"mailto:hea=
leys-bounces@autox.team.net" target=3D"_blank">healeys-bounces@autox.team.n=
et</a>&gt; <b>On Behalf Of </b>Harold Manifold via Healeys<br><b>Sent:</b> =
09 November 2021 16:56<br><b>To:</b> Ken Fleming via Healeys &lt;<a href=3D=
"mailto:healeys@autox.team.net"; target=3D"_blank">healeys@autox.team.net</a=
>&gt;<br><b>Subject:</b> [Healeys] Master Cylinder Packing Shims<u></u><u><=
/u></span></p></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p=
 class=3D"MsoNormal"><span lang=3D"EN-US">Who knows what the purpose of the=
 Master Cylinder Packing Piece is? There are 4 on the brake master cylinder=
 and none on the clutch master cylinder. As far as I can tell the packing p=
iece would reduce the distance the push rod can travel into the bore of the=
 master cylinder. Is there an adjustment for the brake pedal and push rod t=
hat you use these packing pieces to set?<u></u><u></u></span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US">The workshop manual specifically mentio=
ns =E2=80=9Cnot forgetting to fit the packing washer first=E2=80=9D as part=
 of the brake master cylinder installation.<u></u><u></u></span></p><p clas=
s=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p clas=
s=3D"MsoNormal"><span lang=3D"EN-US"><img style=3D"width: 1in; height: 1in;=
" id=3D"gmail-m_5910726119007090290Picture_x0020_3" src=3D"cid:17d067e82b74=
ce8e91" width=3D"96" height=3D"96"><u></u><u></u></span></p><p class=3D"Mso=
Normal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p class=3D"Mso=
Normal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p class=3D"Mso=
Normal"><span lang=3D"EN-US">Thanks=E2=80=A6 Harold<u></u><u></u></span></p=
><p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p=
></div></div>_______________________________________________<br>
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</blockquote></div>

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