Sensors and Valves Problems Repair and Troubleshooting
5 - 78 046-006272-00 A7â„¢ Service Manual
NOTE: Do not rotate the turntable when tightening the screws, so that the
bulge of the needle valve spacing turntable is in touch with the spacer
pin all the time.
NOTE: Do not close flow before fixing the needle valve spacing turntable. Fix
the needle valve spacing turntable when the flow remains open. After
the needle valve spacing turntable is fixed, make sure (fully close flow
after increasing flow) the flow satisfies the requirement immediately
repeatedly.
4. After fixing the needle valve spacing turntable, open the needle valve via valve knob to set the
flow to 5L/min. Then rotate the needle valve to decrease flow until the needle valve is fully
closed. Confirm that the flow of flow analyzer is 1.1±0.1L/min. Repeat for three times and make
sure the flow satisfies the requirement.
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