3-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)
a. Brake Actuators (Cont).
(1) Put bracket in vise as shown and install air chamber on bracket with end
of spring in hole in bracket.
(2) Put hydraulic brake cylinder on bracket. Aline guide and boot of hydrau-
lic brake cylinder with air chamber push rod. Push hydraulic brake cylin-
der against bracket and install and tighten two lock washers and nuts.