I'm converting my '93(?) Rockhopper to upright posture and will be installing North Road style three-speed handle bars. Therefore my cables and housings will probably all need replacement. I possess Barnetts Manuals and there's an article at the Sheldon Brown website for adjusting cantilever brakes. Fwiw I can R&R and rebuild anything bolting to the long block of a Dodge 318 motor and so what about cable replacement???? Would it be far beyond my skills?
The shifters are indexed (click shifts????) and my experience with cable installation and adjustments applies only to the early 1980s technology, friction type shifting with dampeners.