Super C brakes

gmonnens

New User
I have just acquired a Super C. The brakes are in need of repair. I plan on ordering 4 discs and 4 new springs.

On the lined disc that is currently in place, the rivets cut grooves into the actuating disc. The grooves that were cut into the actuating disc are 50,000ths in depth. Can I machine that smooth and still have the brake mechanism work properly? If its not recommended to machine down the actuating disc, where do you suggest I purchase the disc?

Also, I would like to purchase a "good" service manual for the Super C. Where and what do you recommend?

Thank you.

Gary
 
I don"t see a problem with machining the grooves out
of the actuators as long as you don"t get them too
thin. Do you have access to the equipment needed to
machine them down and maintain and smooth/flag
surface?

You are also going to need to machine the brake
covers down. Lay them upside down on the ground with
both pads and the actuators in place. Lay a straight
edge over the brake cover, and you should have .020
to .050" clearance. If you have more than that, you
will run out of travel on the actuators before the
brakes grab as well as they should.
 
I agree except I would machine the expander surfaces flat and leave any remaining groove. It will make little difference in braking power, but improve the life expectancy of the expander. Jim
 
(quoted from post at 03:12:34 09/03/14) I agree except I would machine the expander surfaces flat and leave any remaining groove. It will make little difference in braking power, but improve the life expectancy of the expander. Jim

Avoid getting a 'Jensales' shop manual reprint. They are advertised as being complete, but 90% of the book is motor related with very little covering the trans, diff, brakes etc.
 

I like your screen name! Thank you for the information on the brake covers. When I get the new parts I will check the tolerance. I have a Bridgeport in which I could use an end mill or a fly cutter. I also have a 4 jaw chuck for my lathe that I could use. Do you have a recommendation?

Thank you for you time. It is really appreciated.

Gary
 
Lathe may be a little easier but it really shouldn"t
matter as long as you can figure out how to holdn
onto it all, and get it machined flat. I usually do
mine at work where I can use the CNC mill but that"s
just easiest for me.
 

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