Emerson 8800C - Replacing the Electronics Boards

Rosemount Model 8800C Vortex Flowmeter
4-12
Replacing the Electronics
Boards
The Model 8800C electronics boards may need to be replaced if they
have been damaged or otherwise become dysfunctional. Use the
following procedures to replace electronics boards in the Model 8800C.
You will need a small flat head screwdriver and pliers.
NOTE
The electronics boards are electrostatically sensitive. Be sure to observe
handling precautions for static-sensitive components.
NOTE
Remove power before removing the electronics cover.
Remove the Electronics Boards
1. Turn off the electric power to the Model 8800C.
2. Unscrew and remove the electronics board compartment cover.
(Unscrew and remove the LCD cover if you have the LCD option).
Figure 4-7. Electronics Boards Assembly
3. If the meter has the LCD indicator option, loosen the two screws.
Remove the LCD and the connector from the electronics board.
4. Loosen the three captive screws that anchor the electronics.
5. Use pliers to carefully remove the sensor cable clip
from the electronics.
6. Use the two screw heads on the right- and left-hand sides of the
board to slowly pull the electronics boards out of the housing.
See “Safety Messages” on page 4-1 for complete warning information.
Electronics Boards
8800-0000A01A