Emerson FB1100 Field Replacement Manual page 17

Flow computer sensor assembly

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FB1100/FB1200 Flow Computer Sensor Assembly Field Replacement Guide

23.

Lower the flow computer housing down onto the new sensor assembly making sure the

sensor cable fits through the hole in the bottom of the housing. Now rotate the housing

onto the sensor assembly until it is tight and positioned correctly for its installation site.

24.

Tighten the rotation set screws. Torque screws to 4 to 6 in-lbs (0.5 to 0.7 N m).

25.

Push the sensor cable through the grommet in the card cage.

26.

Slide the card cage into its guides and line it up with the matching screw holes of the

enclosure, use a #2 Phillips-head screwdriver and screws to attach the card cage securely

to the enclosure. Torque screws to 8 to 12 in-lbs (0.9 to 1.4 N m).

27.

Re-connect the lose section of the sensor cable to the bottom section of the sensor cable.

Snap the connector plug on the upper part of the sensor cable onto the mating plug on

the bottom of the CPU module and gently slide the new CPU module into the housing,

being careful not to pinch wires. Press firmly into place.

28.

Use a #2 Phillips-head screwdriver to tighten the two captive fastening screws in the

plastic bezel that hold the CPU module in place. Torque screws to 4 to 6 in-lbs (0.5 to 0.7

N m).

29.

Now look at the housing from back to front so you can see the captive fastening screws.

30.

Take the termination board, align it with the captive fastening screw holes, and press it

into the back of the housing onto the captive fastening screws.

D301842X012

November 2020

Fb1200