Panametrics Aurora H2O, User Manual

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Chapter 2. Installation
8 Aurora H2O User’s Manual
2.7.2.1 Installing the Housing (cont.)
4. Turn the locking mechanism clockwise until it first touches the top of the thread-o-let.
5. Turn the locking mechanism counterclockwise until the Allen screw is aligned with the thread slot (see Figure 14
below). Using a 1/8” Allen wrench, tighten the Allen screw until its tip is tight against the slot. DO NOT OVERTIGHTEN
THE ALLEN SCREW as this will cause the housing wall to be indented.
Figure 14: Aligning and Tightening the Allen Screw
6. Using a 3/32” Allen wrench, tighten the Allen screws on the locking mechanism's surface until their tips are firmly
set into the thread-o-let’s upper surface (see Figure 15 below).
Figure 15: Tightening the Allen Screws
The housing is now installed. The locking mechanism should prevent the housing from becoming unintentionally
unscrewed from the thread-o-let. The pipeline my now be pressurized.
2.7.2.2 Installing the Insertion Membrane Liquid Separator/Pressure Regulator Assembly
1. Confirm that the Allen cap screw head’s hex cavity is clean and free from foreign material. Confirm that the Allen
cap screw that holds the membrane ferrule is torque-wrench tight (see Figure 16 below). The torque value should
be 10 inch-lbs. If the Allen cap screw is only hand-tight, the screw may protrude excessively, which could result in
foot valve actuation when the probe is installed into the housing.