Get your manual quickly so your AIR OPERATED DOUBLE DIAPHRAGM PUMP can keep running. Air Distribution System ( ADS) is the heart of any AODD pump and the biggest influencer in how the pump ultimately performs in regard to flow rate, efficiency and reliability. FIGURE 1 The air valve directs pres-. Wilden m4 pump manual.Wilden Pump Parts Kits. For individual AODD pump diaphragms,. Only Reliable Equipment Sales offers these Wilden pump parts kits pre- packaged to suit dozens of different Wilden diaphragm pumps in a choice of materials, in stock and ready to ship. All WILDEN PUMP MANUALS, provided by official Wilden® dealer Holland Air Pumps. It is assumed the pump has no fluid in it prior to its initial stroke. ALL BRAND OADD pump manuals available. Wilden offers its AODD pumps in two series based on the ADS that is utilized:. WILE- 01 3 WILDEN PUMP & ENGINEERING, LLC The Wilden diaphragm pump is an air- operated, positive displacement, self- priming pump. PUMP AIR OPERATED DOUBLE DIAPHRAGM PUMPS. These drawings show the flow pattern through the pump upon its initial stroke. Refer to pump operation and main- tenance manual for usage of Gore- tex expanded. NOTE: M- Series exploded views and parts lists have been replaced by the Turbo- Flo™ pump line and can be found in the Turbo- Flo™ EOM manuals.