Apeks THE FORCE 2-STAGE, Operation Manual

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The Force™ 2-Stage Operation Manual
41
Revision Date 4/23/2019
7.2.
Appendix B. Diaphragm Pump Priming
7.2.1. Open BOTH of the Oil Bypass Valves (one on each head), see figure below, by turning
counterclockwise until it stops.
7.2.2. Go to the “Manual Screen” on the HMI and hit the “Start Prime Compressor” button.
7.2.3. When pump is priming verify there is oil pressure on the pump gauges, if no pressure appears
check oil level and pump motor rotation.
7.2.4. Continue to let the pump run five to seven minutes to remove any entrained air in compression
head.
7.2.5. Begin to close over pump bypass valve slowly, one full turn every three to four seconds,
alternating heads every three to four turns until both valves are fully closed. Tighten the oil
bypass valve as tight as possible to fully close.
7.2.6. From the “Manual Screen” hit the “Stop Prime Compressor” button.
7.2.7. Start the system to see if pump is pumping properly.
Oil Bypass Valve