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Reference Manual
00809-0100-4021, Rev DA
November 2004
5-3
Rosemount 3144P
3. Loosen the two screws that anchor the electronics module assembly to
the transmitter housing.
4. Firmly grasp the screws and assembly and pull it straight out of the
housing, taking care not to damage the interconnecting pins.
NOTE
If you are replacing the electronics module with a new one, make sure the
alarm switches are set in the same position.
Replacing the Electronics Module
Use the following procedure to reassemble the electronics housing for the
3144P transmitter:
1. Examine the electronics module to ensure that the failure mode and
transmitter security switches are in the desired positions.
2. Carefully insert the electronics module to mate the interconnecting pins
with the necessary receptacles on the electronics board.
3. Tighten the two mounting screws. Replace the LCD display, if applicable.
4. Replace the cover. Tighten
1
/6 of a revolution after the cover begins to
compress the O-ring. Both transmitter covers must be fully engaged to
meet explosion proof requirements.