1978 Ski-Doo Shop Manual, Page 64Get this manual
SECTION 02 SUB-SECTION 06 (BRAKE)
REMOVAL
Disconnect brake switch and brake cableRemove nuts and lor bolts securing brake support to chaincaseSlide brake caliper ass'y from brake support
DISASSEMBLYASSEMBLY
To ease hair pin cotter assembly, activate lever and wedge two (2) screwdriver blades between caliper and brake pad to release lever tension
It may be necessary to change brake light switch support position to obtain recommended gap between lever and caliper housing('