TM 9-2320-209-34-2-1 1. Put a coat of clean hydraulic brake fluid on control valve piston (l), new outer cup (2), and new inner cup (3). NOTE Outer cup (2) has smaller hole in center than inner cup (3). 2. Push outer cup (2) over smaller stem of control valve piston (1). Flat face of outer cup must seat against end of control valve piston. 3. Push inner cup (3) over larger stem of control valve piston (1). Flat face of inner cup must seat against end of control valve piston. END OF TASK 12-36