[Healeys] Brake Problem (addendum)

i erbs eyera3000 at gmail.com
Fri Aug 9 19:36:07 MDT 2019


Modern brakes contain no asbestos.
There is a Friction supply house in my city. They made my clutch disk for
my Smitty conversion. They make brake shoes and clutch disks for Semi
trucks.

Ira Erbs
Portland, OR
typos and artifacts are the fault of my phone

On Thu, Aug 8, 2019, 2:33 AM HealeyRick <healeyrik at gmail.com> wrote:

> I was told a few years ago that the insurance carriers for garages
> required them to dispose of their arcing machines due to liability issues
> with asbestos particles in the air.
>
> Rick Neville
>
> On Thu, Aug 8, 2019 at 1:07 AM i erbs <eyera3000 at gmail.com> wrote:
>
>> 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
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