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FLOW CALIBRATION PROCEDURES
1. Disconnect hose on upper side of orifice disk fitting with gloved hands. Pull back on the black
collar and pull the tubing straight out until disconnected.
2. Loosen the black orifice fitting to reveal both a filter screen and orifice disk. Place the desired
disk chosen from the proceeding table into the fitting and retighten. Ensure the filter element is
clean before completing.
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