Pressure Systems, Inc. NetScanner™ System (9016, 9021, & 9022) User’s Manual
www.PressureSystems.com
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(5) Attach the wiring harness to the solenoid and connector P6 of the PC-280 CPU board.
(6) Reassemble the module.
(7) Test your scanner to ensure proper operation.
5.1.6 Replacement of O-Rings
Pressure Systems’ calibration valves include static and dynamic O-ring seals. When used
properly, the rated durability of the dynamic O-rings is in excess of 1,000,000 shifts of the
calibration valve.
The procedures described below should be used for replacement of all the O-rings in the Model
9016 Intelligent Pressure Scanner. Use the tools and follow the general warnings already
described at the start of Section 5.1.
The material needed for the O-ring replacement can be acquired through the proper maintenance
kit available from Pressure Systems. Specifically needed for these procedures are calibration
manifold and piston O-rings, Teflon cup seals, a fast evaporating cleaning fluid ( i.e. acetone,
alcohol, Freon®, etc.), 50 psi dry air supply, and Krytox® fluorinated grease (read product
warnings and recommendations thoroughly). Service of O-ring seals requires a clean
working environment. Introduction of contaminants to the O-ring or internal calibration
manifold surfaces can result in internal pneumatic leaks. Inspection for contaminates generally
requires some type of magnification device, such as a microscope.
5.1.6.1 DH200 Pressure Transducer O-Ring Replacement
Please note that the DH200 O-rings are used for static seals only. They will typically not require
replacement unless exposed to improper liquid media (which will also damage other 9016
components). Following is a step-by-step procedure to replace a DH200 O-Ring should it be
required:
(1) Disassemble the module as described in Section 5.1.2.
(2) Remove the PC-206 Amplifier/Multiplexer board as described in Section 5.1.3.1. Lay
the circuit board aside on an anti-static surface.
(3) Remove the DH200 transducer(s) as described in Section 5.1.4. If more than one DH200
is removed, it is recommended to record their serial numbers prior to removal to ensure
they are reinstalled in the same locations.