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Pressure Systems, Inc. NetScanner™ System (9016, 9021, & 9022) User’s Manual
www.PressureSystems.com
5 - 18
Figure 5.7
Solenoid Valve O-Ring Replacement
(7) Thoroughly clean the calibration manifold with a fast-evaporating cleaning fluid that
leaves little or no residue (e.g., alcohol, acetone, Freon
®
, etc.). Lightly spray the inner
sides of the side panels of the calibration manifold housing and the calibration manifold
with silicone lubricating oil. Replace the calibration manifold into the housing, making
sure that the guiding pin fits into the slot of the manifold housing.
(8) Replace the tubing plate as described in Section 5.1.6.3.
(9) Replace the PC-206 board as described in Section 5.1.3.1 and reassemble the module.
(10) Test your scanner to ensure proper operation.
5.1.6.5 Solenoid Valve O-Ring Replacement
Following is a step-by-step procedure to replace the internal solenoid valve O-rings in a Model
9016 Intelligent Pressure Scanner. The module contains two internal solenoid valves.
(1) Disassemble the module as described in Section 5.1.2.
(2) Remove the solenoid valve by unscrewing the two (2) Phillips-head screws on top of the
solenoid. Gently lift it out of the module. Be careful not to crimp the attached nylon
tubing.
(3) Remove and replace the O-rings needing maintenance using the procedure described in
Section 5.1.6.1.
(4) Replace the solenoid valve and gently tighten the screws.
(5) Reassemble the module.
(6) Test your scanner to ensure proper operation.