 CAUTION: Before any maintenance or repair is attempted, the compressed air line to the pump should be disconnected and all air pressure allowed to bleed from pump. Disconnect all intake, discharge, and air lines. Drain the pump by turning it upside down and allowing any fluid to flow into a suitable container. CAUTION: Prior to cleaning pump parts, refer to chemical resistance guide (E-4) to confirm compatibility. TOOLS NEEDED: • Pliers to assist in removing over-tightened wing nuts. • 1/4" socket or wrench to remove air valve screws. • O-ring pick to remove center section seals |