Diamondback SHEPPARD CYCLES Owner's Manual page 58

On some newer type cantilever brakes, the main brake cable continues
Align brake shoe with
through the central cable carrier to an anchor bolt on one of the brake
rim surface
arms. A shorter link cable reaches from the carrier and the hook on
Tyre
the other brake arm. Adjustment of the cable length is made after
loosening the anchor bolt on the brake arm.
Rim
Adjust the brake pad position so that it is parallel to the wheel rim and
so that the leading edge makes first contact.
To do this, fit an Allen key into the brake pad holding bolt, loosen the
Adjustment Washer
fixing nut and adjust. Move the brake pad along it's mounting post to
2mm clearance
alter the distance from the rim, and move the curved adjustment washer
Shoe & Rim should be parallel
to alter the angle of the pad.
On some models there is a spring-force adjustment screw on the brake
Toe in at front arm which allows further fine tuning of the brake shoe position.
Brake Shoe Holding Nut
Bicycles with cantilever brakes must be fitted with safety devices to
prevent a possible accident in the event of the brake control cable or
the straddle bridge becoming loose or breaking whilst riding.
10mm wrench
These are usually the reflector brackets, and must be fitted front and rear.
Cable Anchor Bolt
The bracket will prevent the straddle cable fouling the wheel should it
Adjustment Washer
Wheel
become disconnected from the control cable. If reflector brackets are not
Brake Shoe Holding Nut
Rotation
fitted in this position, then alternative emergency cable safety stops must
Allen Key
still be fitted. Refer diagram P. 53.
56
SC/2012
SHEPPARD CYCLES ABN 60 082 376 289