[Healeys] Brake Problem (addendum)

[i erbs]

Bill,
Where do you live? Hard to believe there isn't a brake shop or parts store
that could arc the shoes for you? Or a friction shop. Where do you live?
Ira Erbs
Portland,OR
      _______                                  _______
     (______ \____1959 BN4____/ _______)
         (_________________________)
          BT7 engine and disk brakes


1967 MGB  [image: MG]

A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words


On Wed, Aug 7, 2019 at 2:59 PM WILLIAM B LAWRENCE <YNOTINK at msn.com> wrote:

> To Michael Oritt and others who were interested in this topic I have a
> late contribution:
>
> On the late test drive of my 100 after having it laid up for some time and
> installing new brake shoes (I can't remember the source, but probably Moss)
> I encountered the same problem.
>
> On removing the brake drums, which took some extra effort, I found that
> the shoes didn't have the proper arc to fit the drums. they were touching
> the drums on the leading and trailing ends, but not in the center. The
> excess thickness at those points made installation difficult and caused the
> shoes to drag on the drums.
>
> After searching out all of the old school brake shops in town I found that
> nobody has the equipment or expertise to reline or arc brake shoes anymore.
> A possible argument for converting to discs in the future
>
> I therefore resorted to the method recommended by my old strengths of
> materials instructor, the BF&I (Brute Force and Ignorance) method. I place
> each shoe in a vice and, noting the contact pattern on the surface and
> mindful that I was probably abrading an asbestos material I wetted the
> surface down with simple green and applied a flat bastard (note to
> moderator; this is an acceptable technical term related to types of files,
> and besides it is fun to type...) to the shoes and removed a few
> thousandths of an inch of material where they had been dragging.
>
> I got the first set right in one try and had to do a test assembly and
> rework on the other, but both sets are now sitting on the lowest points of
> their snail cams and the drums slip on and off with no interference. The
> whole job took less than half an hour including disassembly and
> re-familiarization with the assembly process.
>
> Bill Lawrence
> BN1 #554
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/healeys
> http://autox.team.net/archive
>
> Healeys at autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/healeys/eyera3000@gmail.com
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20190807/423b2138/attachment.html>