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5.5.1 Hypoxic Regulator Replacement (for units manufactured before
Feb 2009)
Figure 65 - Pre Feb 2009 Regulator Adjustment
Regulator
Adjustment
Detailed Repair Procedures
For units manufactured before February 2009
1. Access the regulators from the left side of the fl ow meter.
2. Adjust the pressure by pulling the adjusting knob to release it. Turn it
clockwise to increase the pressure and counter-clockwise to reduce it. Set
the pressure by adjusting the pressure UP to the desired level to give the
most stable setting. Once the pressure is correct, push the knob towards the
regulator body to lock it in position.
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