TM 9-2320-209-34-2-1 1. Put a coat of clean hydraulic brake fluid on new felt ring (l), new piston cup (2), and compensator piston (3). 2. Put cup (2) into second groove on compensator piston (3). Lip of cup must face away from hole in side of piston. 3. Put felt ring (1) into first groove on compensator piston (3). END OF TASK 12-34