Emerson Rosemount 3812 Maintenance And Troubleshooting Manual page 121

Maintenance and Troubleshooting Manual
00809-0100-3812
WARNING
CUTTING HAZARD
Sharp edges may be present on the band shrouds.
Wear appropriate personal protective equipment when working on the meter.
Failure to comply may cause serious injury.
Bolted band shroud security seals
Use the following instructions to install the security seal wires, if required, on the band
shrouds for 2" - 3" meters.
Procedure
1. On the underneath side on the meter, install the security wires into and through
2. Adjust the security wire, removing all slack and thread into the lead seal.
3. Cut wire ends to remove excess wire.
Clamped band shroud security seals
Use the following instructions to install the security seal wires, if required, on the two top
end shrouds covering the worm screw clamps. This procedure applies to clamped band
shroud meters.
Rosemount 3812 Liquid Ultrasonic Flow Meter
both of the two holes in the shroud bolts as shown in
diameter .078 inch; 2.0 mm). Position the wire to prevent counterclockwise
rotation of the screws when the seal wire is taut.
Figure 3-81: Bottom view band shroud security seals
A. Band shroud 1/4"- 20 bolts
B. End band shroud bolts
This completes the bolted band shroud security seal installation procedure.
Meter maintenance
April 2022
Figure 3-81 (maximum wire
121