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140-072011 200/202 Series Page 23 of 24
Lubricate the O-rings slightly with a silicone based grease, and the threads with anti-galling compound.
Push the orifice into its hole and screw it in until it is flush with the instrument base. Apply pressure to
the inlet side of the instrument.
Enable the Valve Override CLOSE function or unplug the instrument. Screw the orifice in a few more
turns until the flow through the instrument stops, then turn it an additional 1/4 turn clockwise.