See appropriate parts diagram for call-out

• Remove valve body screw (8) and remove entire valve module.
• Separate diaphragm (14) from plastic valve corner plate (12) and pull away swing (16) with diaphragm.
• Unscrew diaphragm bolt (15) and replace diaphragm (14). Replace bolt (15).

Valve Replacement

FOR OPTIMA ONLY Orient valve body so that valve body screw hole is to left. remove cover plate screw (13) and plastic cover plate (12) remove valve gasket (9). Remove 2 flapper covers (11) and 2 flapper valves (10) replace with new flapper valves (10) and flapper covers (11) replace valve gasket (9), orient so gasket surrounds pegs. replace plastic valve cover plate (12), ensure that holes are over upper right and lower left valve openings. replace cover screws (13). THE VALVE GASKET OPENING MUST NOT HAVE A HOLE OVER IT.