[TR] TR3A Rear Brake Drum

Curt Curtiss curt at roadstershop.net
Tue Apr 14 06:25:53 MDT 2009


I ran into this when I purchased and installed new shoes, I had to take a
belt sander and take some of the lining off to get my drum back on. How much
lining is on the shoes?

Curt

On Mon, Apr 13, 2009 at 9:41 PM, dorpaul <dorpaul at bellsouth.net> wrote:

> Scott,
> I've heard this tightness will settle in, maybe?
> Paul
>
> ----- Original Message ----- From: "Scott Suhring" <
> suhringtr36 at comcast.net>
> To: "Triumph Mail List" <triumphs at autox.team.net>
> Sent: Sunday, April 12, 2009 10:34 PM
> Subject: [TR] TR3A Rear Brake Drum
>
>
>  Well, I got the new rear cylinder installed in my '59 TR3, but have
>> encountered a problem that I am scratching my head over. Before I needed
>> to
>> replace the right rear brake cylinder, my wheel/brake drum turned freely.
>> Now since I replaced the cylinder, I can barely get the drum on and once
>> on,
>> you cannot spin the shaft due to the shoes being so tight on the drum. I
>> have changed nothing else, measured the piston against the old cylinder,
>> and
>> although the pistons have a different shape, the measurements seem to be
>> the
>> same. The adjuster wedges are also fully in. Any thoughts as to what could
>> be causing this problem? I can try installing the old cylinder after
>> rebuilding it or I could have the drum shaved down a bit.  TIA
>>
>> Scott Suhring
>> Mechanicsburg, PA
>> '70 TR6
>> '59 TR3
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