User manual HAYES DISC BRAKES FRONT QR IS

[. . . ] Always allow components to cool before attempting to service your bike. The right hand and left hand master cylinders are identical and will be rebuilt in the same manner. Rebuilding must be done with the master cylinder removed from the bike. Slide the nose cone off the fitting and down the hose. [. . . ] With a 8mm end wrench, loosen the hose nut. Pull the hose out of the end of the master cylinder. Caution: The end of the hose will have fluid in it. Point the hose upward and do not shake it so that you not drip fluid onto a painted surface. If there is nothing wrong with the rest of the system, leave the hose and caliper attached to the bicycle. With the grip and shifter removed, slide the master cylinder off the handlebar. Remove the lever by first removing the two 4mm Allen head bolts on each side of the master cylinder. Using a 2mm Allen wrench, unscrew the lever and adjuster bushing from cartridge push rod. Remove the two plastic bushings that fit between the sides of the lever and the body. Drop the pivot pin through the body, lever bushings, and lever hole. Tighten the 4mm Allen head bolts until tight. Put the completed master cylinder back onto the handlebars. Reinstall the hose and bleed the system. Note: The bleed instructions are included in the Hayes Bleed Kit or on the Web at: www. hayesdiscbrake. com Step A3 Step A5/7 Step A6 Step A8 B. Master Cylinder Reservoir Cap/Bladder Removal Note: When removing the bladder assembly from the master cylinder body, there is no need to remove the hose from the end of the master cylinder. Remove the two T-10 Torx screws holding the reservoir cap onto the body. Remove the reservoir and bladder assembly. DO NOT try to remove the bladder from the cap. [. . . ] DO NOT try to remove the bladder from the cap. Clean and inspect the bladder and cap assembly. Replace those parts that are damaged with new service parts. [. . . ]