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Aside from the filing to fit, those cylinders MUST slide in the opening
in order for the shoes to center in the drum. Lately, when both retainer
clips are inserted the cylinder is immobile, so the side grooves must be
filed as well.. Best to rebuild the originals if and when possible..
NAPA, et al have the cups and the other rubber bits from the Moss,
etc.. daveP
On 7/7/2021 10:12 AM, Bob Spidell wrote:
> re: '... there still being some residual brake fluid on the drum (even
> though I thought I had cleaned it all off) ...'
>
> Can't be done. I tried once, by cleaning--with brake cleaner--sanding
> the 'wet' off and repeat repeat repeat. I thought I had some cleaned,
> but after sitting overnight brake fluid would ooze out, no matter how
> many times I tried to clean them. Maybe, if it's a light 'dusting' of
> fluid, and you get to it immediately you can have some success, but
> who wants to take any chances with brakes?
>
> FWIW, I've 'voided the warranty' several times using silicone BF with
> no issues (I have had problems with DoT 3, though). I don't recall the
> 'Classic Gold' cylinders I got from Moss having that warning on the
> box. I was grateful to pay a reasonable price for front cylinders for
> a BN2; years ago they were something like $70 per for F/R. I never
> figured out why, just for the front rights, but we got one that was
> obviously a return (slightly) cleaned-up and put back on the shelf.
> Moss, among others--looking at you, RockAuto--apparently put returns
> back on the shelf without inspecting them.
>
> bs
>
>
> On 7/7/2021 8:46 AM, Healey wrote:
>> Hi Michael - to elaborate - after a few miles of driving, the rear
>> brake in question was getting so hot, it started to smoke :-(
>> In retrospect, that was probably exacerbated by there still being
>> some residual brake fluid on the drum (even though I thought I had
>> cleaned it all off) from the previous / original wheel cylinder that
>> went bad.
>> However, the underlying problem of the cylinder not retracting is
>> confirmed with the drum off.
>>
>> Thanks,
>>
>> Neil
>>
>> On Tue, Jul 6, 2021 at 8:58 AM Michael Salter
>>
>> Perhaps you could better describe "things were not right".
>> If the brake was not overly hot there may be no problem.
>> When correctly adjusted the wheel cylinder only operates in the
>> first couple of mm of its stroke, the rest of the bore serves
>> only as a guide for the piston.
>>
>> M
>>
>
>
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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>Aside from the filing to fit, those cylinders MUST slide in the
opening in order for the shoes to center in the drum. Lately, when
both retainer clips are inserted the cylinder is immobile, so the
side grooves must be filed as well.. Best to rebuild the originals
if and when possible.. NAPA, et al have the cups and the other
rubber bits from the Moss, etc.. daveP<br>
</p>
<div class="moz-cite-prefix">On 7/7/2021 10:12 AM, Bob Spidell
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:c5dc652d-aa2e-6d5a-8f7d-41e29580d654@comcast.net">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
re: '... there still being some residual brake fluid on the drum
(even though I thought I had cleaned it all off) ...'<br>
<br>
Can't be done. I tried once, by cleaning--with brake
cleaner--sanding the 'wet' off and repeat repeat repeat. I thought
I had some cleaned, but after sitting overnight brake fluid would
ooze out, no matter how many times I tried to clean them. Maybe,
if it's a light 'dusting' of fluid, and you get to it immediately
you can have some success, but who wants to take any chances with
brakes?<br>
<br>
FWIW, I've 'voided the warranty' several times using silicone BF
with no issues (I have had problems with DoT 3, though). I don't
recall the 'Classic Gold' cylinders I got from Moss having that
warning on the box. I was grateful to pay a reasonable price for
front cylinders for a BN2; years ago they were something like $70
per for F/R. I never figured out why, just for the front rights,
but we got one that was obviously a return (slightly) cleaned-up
and put back on the shelf. Moss, among others--looking at you,
RockAuto--apparently put returns back on the shelf without
inspecting them.<br>
<br>
bs<br>
<br>
<br>
<div class="moz-cite-prefix">On 7/7/2021 8:46 AM, Healey wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAFbzz1-7o6C09hO+33QY59Xf82f+r9Rt7xPZ-SaaWz0kJZNb7Q@mail.gmail.com">
<meta http-equiv="content-type" content="text/html;
charset=UTF-8">
<div dir="ltr">Hi Michael - to elaborate - after a few miles of
driving, the rear brake in question was getting so hot, it
started to smoke :-(Â
<div>In retrospect, that was probably exacerbated by there
still being some residual brake fluid on the drum (even
though I thought I had cleaned it all off) from the previous
/ original wheel cylinder that went bad.</div>
<div>However, the underlying problem of the cylinder not
retracting is confirmed with the drum off.</div>
<div><br>
</div>
<div>Thanks,</div>
<div><br>
</div>
<div>Neil</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, Jul 6, 2021 at 8:58
AM Michael Salter <<a
href="mailto:michaelsalter@gmail.com";
moz-do-not-send="true">michaelsalter@gmail.com</a>>
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="auto">Perhaps you could better describe "things
were not right".
<div dir="auto">If the brake was not overly hot there may
be no problem.  </div>
<div dir="auto">When correctly adjusted the wheel cylinder
only operates in the first couple of mm of its stroke,
the rest of the bore serves only as a guide for the
piston.</div>
<div dir="auto"><br>
</div>
<div dir="auto">M</div>
</div>
<br>
</blockquote>
</div>
</blockquote>
<br>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<pre class="moz-quote-pre"
wrap="">_______________________________________________
Archive: <a class="moz-txt-link-freetext"
href="http://www.team.net/pipermail/healeys";>http://www.team.net/pipermail/healeys</a>
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href="http://autox.team.net/archive";>http://autox.team.net/archive</a>
<a class="moz-txt-link-abbreviated"
href="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a>
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href="http://autox.team.net/mailman/listinfo/healeys";>http://autox.team.net/mailman/listinfo/healeys</a>
</pre>
</blockquote>
<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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