1972 Ski-Doo Shop Manual, Page 70Get this manual
BRAKE MECHAN ISM
DISASSEMBLY 1Remove puck, puck plate and pin pushers from outer half of disc unit (fig1-11-13)
6Install the two (2) pin pushers in location with the round end facing towards lever of outer halfPosition puck plate and puck iAto outer half7Align inner and outer halvesInsert the through bolts with spacersSecure with spacers and nuts8Remove cotter pin from castellated nut on disc unit
Outer half
Pin pushers
Back-up plate
9Check free playIf pucks are too far from disc, tighten castellated nut until discpuck friction is feltBack off nut 16 of tum (fig1-11-14)Install new cotter pin