General Specifications: Compact two diaphragm positive displacement pump. Low power consumption. Self-priming. Can be run dry. Can rotate clockwise or anticlockwise. Single grease point for lubrication. Dry sump to simplify maintenance. No special tools are needed for maintenance. Polyurethane diaphragms and seals. Cast iron crankcase and covers. 3/4″ suction and pressure ports. Recommended to use HARDI suction and pressure dampers. 603/7 (Ref. No. 821623) Tapered shaft. With 6-splined coupling for tractor PTO shaft. Normal operating revolutions: 540 RPM. Maximum pressure: 220 PSI (15 bar). Maximum vacuum: 13.4 PSI (0.91 bar). Weight: 36 lbs (16.2 kg) HARDI 603 Pump Parts List
