I.S. Barrier board replacementFigure 3-21:
A. Non-terminal end of Transmitter Electronics Enclosure
B. Power Supply board
C. I.S. Barrier board (inside the Guide Plate)
D. Acquisition cable
E. Backplane board
6. Remove the I.S. Barrier Board from the Guide Plate on the right side of the
enclosure.
7. Install the new I.S. Barrier board onto the Backplane Board and seat the Power
Supply board onto the Backplane board.
8. Insert the Backplane, I.S. Barrier board and the Power Supply Board into the
enclosure.
9. Fully seat the CPU Module and Optional I/O Module onto the Backplane Board.
Meter repairs
76 Gas Ultrasonic Flow Meters
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