(Manufacture de Freins et Accessoires pour Cycles)
from thisvia this
A cold wet Sunday afternoon. Break it down,clean it,a little bit of grease, build it back up.
Job frequency: once every 35 years should do.
Tools: ring spanners(9-10-12mm), wire cutter, pliers
Parts:new pads, Pedro's grease,WD40,'clean-a-hull'marine rust cleaning fluid
note:This job is about as tricky as it gets on an old French bike.If I can do it,you can too,however if you get lost on the way back,follow the link.www.sheldonbrown.com/harris/mafac.html