Teach me the ways of the Mafac Racer

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01-28-23, 05:29 AM

#26

Prowler

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Quote:

Originally Posted by Bergz

Grind the end of spanners that you are going to use to remove the beveled lead in. Mafac brakes use very thin headed nuts and if you use spanners with a bevel only a small part of the spanner engages the head of the bolt.

I’ve encountered several other places where bolt heads and nuts are quite thin. I’ve removed that bevel on my small spanners and on a set (5mm to 10mm) 1/4” drive sockets too. I keep these handy in a separate bin for bike work.

note: I’ve just realized how conflicted I am. Trying my best to go all metric but probably stuck forever with imperial as I have only 1/4, 3/8 and 1/2 inch drive wrenches and sockets. 😢 Does ROW have metric (11mm, 14mm, 19mm) drive sockets n wrenches? Truthfully, I do all my woodworking in imperial too. And I mow my yard in yards.

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01-28-23, 06:36 AM

#27

BTinNYC

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'Unhook the spring to adjust the pads.'
Oh, that's that's good, merci buckets.

01-28-23, 06:02 PM

#28

oneclick

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Quote:

Originally Posted by Bergz

I use either the Mafac toolkit spanner, or one of those stamped steel flat multi-spanners, perfect for Mafacs, it grips the whole edge of the flats.

Quote:

Originally Posted by Bergz

Replace the arm mounting bolts with allen headed bolts. Looks more "modern" and means that a tool you probably carry will undo a bolt in the field if necessary.

"Modern" is over there ------>