Low & Reverse Brake Piston Assembly & Transmission Case: Disassembly

Using appropriate spring compressor, compress piston return springs and remove snap ring. Remove spring retainer and return springs. See Figure . Position transmission case with front facing upward.
Place shop towels under case to prevent piston damage. Apply air pressure to case passages to remove reverse brake outer piston, reaction sleeve and reverse brake inner piston. See Figure . It may be necessary to use long hooks to remove sleeve and inner piston. Using a screwdriver, pry manual valve shaft seals from case if replacement is required.