[Healeys] Rear brake adjustment

[Bob Spidell]

Great idea, Roger! I bought an alignment kit with a similar inclinometer.

Bob


On 4/2/2021 9:06 AM, Roger Grace wrote:
> Bob - just for interest.
> Your large caliper (that I don't have)  idea got me thinking and 
> remembering that I have one of those digital inclinometer angle boxes 
> that I use to set up my saw.
> The spec. claims 0.1 deg accuracy and it is spot on when comparing to 
> an engineering square.
> So I used this as shown in the photos to set the shoe at 90 deg to the 
> hub (not backplate)
> The 0.1 deg error translates into 4 thou at the edge of the 2.25 in 
> width shoe.
> rg
>
>
>
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> On Wed, Mar 31, 2021 at 7:31 PM Bob Spidell <bspidell at comcast.net 
> <mailto:bspidell at comcast.net>> wrote:
>
>     I think centering the shoes with the brakes applied works well,
>     but only with new/freshly turned drums and shoes. If the shoes
>     aren't centered they will wear uneven, and lock up uneven.
>
>     The best idea I've come up with is to use a large caliper--not
>     easy/cheap to find--and make sure the shoes are square to each
>     other. If they are, they should be orthogonal to the backplate.
>
>     Bob
>
>     On 3/31/2021 10:58 AM, Michael Salter wrote:
>>     Obviously the quality of the felt being used is not
>>     satisfactory.  I've got a pair of BN1 rear brakes here that still
>>     have the felts in place and are still greasy.
>>     I don't believe eliminating metat to metal is the intent ... just
>>     to provide sufficient lubrication to eliminate squeaks.
>>
>>     M
>>
>>     On Wed., Mar. 31, 2021, 11:47 a.m. Roger Grace via Healeys,
>>     <healeys at autox.team.net <mailto:healeys at autox.team.net>> wrote:
>>
>>         Bob,
>>         Yes agree about the felt bushes. I assume that their only
>>         function is to prevent metal to metal contact ?
>>         So do the fibre tubes protrude slightly beyond the end of the
>>         pegs ?
>>         Will try to locate something suitable.
>>
>>         Wonder how you adjust these pegs ?
>>         There seems to be 3 different techniques:
>>
>>         The Moss method with chalk marks on the shoes.
>>
>>         The Salter method by adjusting in/out to each shoe edge then
>>         setting to the mid point.
>>
>>         The usual  method - centering  the shoes (by stomping on the
>>         brakes) then adjusting the peg to just make contact while
>>         shoes are clamped.
>>
>>         I tend to favour the last method .... ?
>>
>>         Tkx
>>         rg
>>
>>
>
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