[. . . ] SERVICE KIT INSTRUCTIONS HFX-9 MASTER CYLINDER REBUILD The Following procedures cover the installation of Hayes Disc Brakes items purchased as an aftermarket item. [. . . ] DO NOT attempt to take the rubber seals off of the master cylinder piston. Thoroughly clean all of the parts by spraying them with isopropyl alcohol and wiping them with a clean rag. Begin reassembly by dropping the spring and master cylinder assembly into the lever body. Place a small amount of the yellow Versilube onto the ball end of the pushrod. Install the ball end of the threaded push rod into the master cylinder piston. Push on the threaded push rod to assure that all parts are properly in place. Using a snap ring tool, install the snap ring into the snap ring groove on the inside of the master cylinder body. Push on the threaded push rod to assure that all parts are properly in place. [. . . ] Mequon, WI 53092 Technical Assistance Line 1-888-686-3472 www. hayesdiscbrake. com Step B3 [. . . ]