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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 t=
hickness at those points made installation difficult and caused the shoes t=
o 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 mater=
ials 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 t=
hat 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 mater=
ial where they had been dragging.
I got the first set right in one try and had to do a test assembly and rewo=
rk on the other, but both sets are now sitting on the lowest points of thei=
r 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-familiarizatio=
n with the assembly process.
Bill Lawrence
BN1 #554
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1">
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<body dir=3D"ltr">
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
To Michael Oritt and others who were interested in this topic I have a late=
contribution:</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
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. </div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
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 t=
hickness at those points made installation
difficult and caused the shoes to drag on the drums. </div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
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 any=
more. A possible argument for converting to discs in the future</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
I therefore resorted to the method recommended by my old strengths of mater=
ials instructor, the BF&I (Brute Force and Ignorance) method. I place e=
ach shoe in a vice and, noting the contact pattern on the surface and mindf=
ul that I was probably abrading an asbestos
material I wetted the surface down with simple green and applied a flat ba=
stard (note to moderator; this is an acceptable technical term related to t=
ypes 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. </div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
I got the first set right in one try and had to do a test assembly and rewo=
rk on the other, but both sets are now sitting on the lowest points of thei=
r 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.</d=
iv>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
Bill Lawrence</div>
<div style=3D"font-family: Calibri, Helvetica, sans-serif; font-size: 12pt;=
color: rgb(0, 0, 0);">
BN1 #554</div>
</body>
</html>
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