healeys
[Top] [All Lists]

Re: [Healeys] Rear brake adjustment

To: Roger Grace <roggrace@telus.net>
Subject: Re: [Healeys] Rear brake adjustment
From: Bob Spidell via Healeys <healeys@autox.team.net>
Date: Fri, 2 Apr 2021 19:45:35 -0700
Cc: Healeys <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CALPtYiOfnGyg-H5ezNGoUNEb5Y+4Ry3Ar_jgAfo42nm9crm-pA@mail.gmail.com> <4494f800-1325-8d54-9ccb-647055af335d@comcast.net> <CALPtYiO18mPuQ1qBzKjDK0yNDXFjPYvAtFugh=gUPd5bPMJfSg@mail.gmail.com> <a6eda216-1303-3fbc-2fb3-66c407a2762d@comcast.net> <CALPtYiNq75JGezS_yCBRGQa4vc46n9auknvR=zsgfhUNUrpUSQ@mail.gmail.com> <63b0318e-7fa9-6d55-2832-1f534ef02b93@comcast.net> <CALPtYiNZ44QW1Je7ZFboSzFGKsRt_SHAj+K04CGTPjFX6L5ojQ@mail.gmail.com> <CAB3i7LK9MQdNC1fk6T4p=CqSeZQ=a-qFfDbxg86nXC-kYZj7Aw@mail.gmail.com> <7bea7425-6085-2258-eaae-3b9b0627ea0f@comcast.net> <CALPtYiNnYPMzGOv2k4ADv3wni4vjgBWQf-GHtW1iyishh0zAOg@mail.gmail.com>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1
This is a multi-part message in MIME format.
--===============7310600402099007570==
 boundary="------------94D998E9D3A8B640CE42171D"
Content-Language: en-US

This is a multi-part message in MIME format.
--------------94D998E9D3A8B640CE42171D
Content-Transfer-Encoding: 8bit

Great idea, Roger! I bought an alignment kit with a similar inclinometer.

Bob


On 4/2/2021 9:06 AM, Roger Grace wrote:
> Bob - just for interest.
> Your large caliper (that I don't have)  idea got me thinking and 
> remembering that I have one of those digital inclinometer angle boxes 
> that I use to set up my saw.
> The spec. claims 0.1 deg accuracy and it is spot on when comparing to 
> an engineering square.
> So I used this as shown in the photos to set the shoe at 90 deg to the 
> hub (not backplate)
> The 0.1 deg error translates into 4 thou at the edge of the 2.25 in 
> width shoe.
> rg
>
>
>
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>  
>       Virus-free. www.avg.com 
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>  
>
>
>
> On Wed, Mar 31, 2021 at 7:31 PM Bob Spidell <bspidell@comcast.net 
>
>     I think centering the shoes with the brakes applied works well,
>     but only with new/freshly turned drums and shoes. If the shoes
>     aren't centered they will wear uneven, and lock up uneven.
>
>     The best idea I've come up with is to use a large caliper--not
>     easy/cheap to find--and make sure the shoes are square to each
>     other. If they are, they should be orthogonal to the backplate.
>
>     Bob
>
>     On 3/31/2021 10:58 AM, Michael Salter wrote:
>>     Obviously the quality of the felt being used is not
>>     satisfactory.  I've got a pair of BN1 rear brakes here that still
>>     have the felts in place and are still greasy.
>>     I don't believe eliminating metat to metal is the intent ... just
>>     to provide sufficient lubrication to eliminate squeaks.
>>
>>     M
>>
>>     On Wed., Mar. 31, 2021, 11:47 a.m. Roger Grace via Healeys,
>>
>>         Bob,
>>         Yes agree about the felt bushes. I assume that their only
>>         function is to prevent metal to metal contact ?
>>         So do the fibre tubes protrude slightly beyond the end of the
>>         pegs ?
>>         Will try to locate something suitable.
>>
>>         Wonder how you adjust these pegs ?
>>         There seems to be 3 different techniques:
>>
>>         The Moss method with chalk marks on the shoes.
>>
>>         The Salter method by adjusting in/out to each shoe edge then
>>         setting to the mid point.
>>
>>         The usual  method - centering  the shoes (by stomping on the
>>         brakes) then adjusting the peg to just make contact while
>>         shoes are clamped.
>>
>>         I tend to favour the last method .... ?
>>
>>         Tkx
>>         rg
>>
>>
>
>
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>  
>       Virus-free. www.avg.com 
> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>  
>
>


--------------94D998E9D3A8B640CE42171D
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body>
    Great idea, Roger! I bought an alignment kit with a similar
    inclinometer.<br>
    <br>
    Bob<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 4/2/2021 9:06 AM, Roger Grace wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CALPtYiNnYPMzGOv2k4ADv3wni4vjgBWQf-GHtW1iyishh0zAOg@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div>Bob - just for interest.<br>
        </div>
        <div>Your large caliper (that I don't have)  idea got me
          thinking and remembering that I have one of those digital
          inclinometer angle boxes that I use to set up my saw.</div>
        <div>The spec. claims 0.1 deg accuracy and it is spot on when
          comparing to an engineering square.</div>
        <div>So I used this as shown in the photos to set the shoe at 90
          deg to the hub (not backplate)<br>
        </div>
        <div>The 0.1 deg error translates into 4 thou at the edge of the
          2.25 in width shoe.</div>
        <div>rg<br>
        </div>
        <div><br>
        </div>
        <div><br>
        </div>
        <div
id="m_-7669012680146910556m_-3776431408075102407m_1361073115451807287m_-5172995836679361624m_-4484756418943175278DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
          <table style="border-top:1px solid #d3d4de">
            <tbody>
              <tr>
                <td style="width:55px;padding-top:13px"><a
href="http://www.avg.com/email-signature?utm_medium=email&amp;utm_source=link&amp;utm_campaign=sig-email&amp;utm_content=webmail";
                    target="_blank" moz-do-not-send="true"><img
src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-green-avg-v1.png";
                      alt="" style="width:46px;height:29px"
                      moz-do-not-send="true" width="46" height="29"></a></td>
                <td
style="width:470px;padding-top:12px;color:#41424e;font-size:13px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Virus-free.
                  <a
href="http://www.avg.com/email-signature?utm_medium=email&amp;utm_source=link&amp;utm_campaign=sig-email&amp;utm_content=webmail";
                    style="color:#4453ea" target="_blank"
                    moz-do-not-send="true">www.avg.com</a> </td>
              </tr>
            </tbody>
          </table>
        </div>
        <br>
        <div class="gmail_quote">
          <div dir="ltr" class="gmail_attr">On Wed, Mar 31, 2021 at 7:31
            PM Bob Spidell &lt;<a href="mailto:bspidell@comcast.net";
              target="_blank" 
moz-do-not-send="true">bspidell@comcast.net</a>&gt;
            wrote:<br>
          </div>
          <blockquote class="gmail_quote" style="margin:0px 0px 0px
            0.8ex;border-left:1px solid
            rgb(204,204,204);padding-left:1ex">
            <div> I think centering the shoes with the brakes applied
              works well, but only with new/freshly turned drums and
              shoes. If the shoes aren't centered they will wear uneven,
              and lock up uneven.<br>
              <br>
              The best idea I've come up with is to use a large
              caliper--not easy/cheap to find--and make sure the shoes
              are square to each other. If they are, they should be
              orthogonal to the backplate.<br>
              <br>
              Bob<br>
              <br>
              <div>On 3/31/2021 10:58 AM, Michael Salter wrote:<br>
              </div>
              <blockquote type="cite">
                <div dir="auto">Obviously the quality of the felt being
                  used is not satisfactory.  I've got a pair of BN1 rear
                  brakes here that still have the felts in place and are
                  still greasy. 
                  <div dir="auto">I don't believe eliminating metat to
                    metal is the intent ... just to provide sufficient
                    lubrication to eliminate squeaks.</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">M</div>
                </div>
                <br>
                <div class="gmail_quote">
                  <div dir="ltr" class="gmail_attr">On Wed., Mar. 31,
                    2021, 11:47 a.m. Roger Grace via Healeys, &lt;<a
                      href="mailto:healeys@autox.team.net";
                      target="_blank" 
moz-do-not-send="true">healeys@autox.team.net</a>&gt;
                    wrote:<br>
                  </div>
                  <blockquote class="gmail_quote" style="margin:0px 0px
                    0px 0.8ex;border-left:1px solid
                    rgb(204,204,204);padding-left:1ex">
                    <div dir="ltr">
                      <div>Bob,</div>
                      <div>Yes agree about the felt bushes. I assume
                        that their only function is to prevent metal to
                        metal contact ?</div>
                      <div>So do the fibre tubes protrude slightly
                        beyond the end of the pegs ?</div>
                      <div>Will try to locate something suitable.</div>
                      <div><br>
                      </div>
                      <div>Wonder how you adjust these pegs ?</div>
                      <div>There seems to be 3 different techniques:</div>
                      <div><br>
                      </div>
                      <div>The Moss method with chalk marks on the
                        shoes. <br>
                      </div>
                      <div><br>
                      </div>
                      <div>The Salter method by adjusting in/out to each
                        shoe edge then setting to the mid point.</div>
                      <div><br>
                      </div>
                      <div>The usual  method - centering  the shoes (by
                        stomping on the brakes) then adjusting the peg
                        to just make contact while shoes are clamped.</div>
                      <div><br>
                      </div>
                      <div>I tend to favour the last method .... ?<br>
                      </div>
                      <div><br>
                      </div>
                      <div>Tkx</div>
                      <div>rg<br>
                      </div>
                      <div><br>
                      </div>
                      <br>
                    </div>
                  </blockquote>
                </div>
              </blockquote>
              <br>
            </div>
          </blockquote>
        </div>
        <div
id="m_-7669012680146910556m_-3776431408075102407m_1361073115451807287m_-5172995836679361624DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br>
          <table style="border-top:1px solid #d3d4de">
            <tbody>
              <tr>
                <td style="width:55px;padding-top:13px"><a
href="http://www.avg.com/email-signature?utm_medium=email&amp;utm_source=link&amp;utm_campaign=sig-email&amp;utm_content=webmail";
                    target="_blank" moz-do-not-send="true"><img
src="https://ipmcdn.avast.com/images/icons/icon-envelope-tick-green-avg-v1.png";
                      alt="" style="width:46px;height:29px"
                      moz-do-not-send="true" width="46" height="29"></a></td>
                <td
style="width:470px;padding-top:12px;color:#41424e;font-size:13px;font-family:Arial,Helvetica,sans-serif;line-height:18px">Virus-free.
                  <a
href="http://www.avg.com/email-signature?utm_medium=email&amp;utm_source=link&amp;utm_campaign=sig-email&amp;utm_content=webmail";
                    style="color:#4453ea" target="_blank"
                    moz-do-not-send="true">www.avg.com</a> </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
</html>

--------------94D998E9D3A8B640CE42171D--

--===============7310600402099007570==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive

Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys



--===============7310600402099007570==--

<Prev in Thread] Current Thread [Next in Thread>