Emerson Rosemount 3410 Series Maintenance And Troubleshooting Manual page 71

Maintenance and Troubleshooting Manual
00809-0600-3104
WARNING
CRUSHING HAZARD
During meter installation or removal, always place the unit on a stable platform or surface
that supports its assembled weight.
Failure to comply could allow the meter to roll, resulting in serious injury or equipment
damage.
3.7.1 Remove transducer cables
The meter body ports are identified by stamped or cast lettering adjacent to the
transducer port (i.e. Model 3414 - A1, A2, B1, B2, C1, C2, D1, and D2; Model 3412 - A1, A2,
B1, and B2; Model 3411 - A1 and A2).
Procedure
1. Remove power to the meter.
2. Unscrew the cable nut from the transducer holder and then, pull the cable chordset
3. Cut the tie wraps for the transducer cable you are replacing.
4. Use a wrench and loosen the cable gland (where the transducer cable enters the
5. Remove the two bolts holding the Base Enclosure cover to the Transmitter
6. Lift the Transmitter Electronics Enclosure from the Base Enclosure. It may be
7. Carefully prop the Transmitter Electronics Enclosure to the side.
8. Use a flat-blade screw driver and disconnect the transducer wiring terminal block
9. Place the Transmitter Electronics Enclosure in a clean dry area. Be careful not to
10. Remove the transducer cable wires from the terminal block and slide the existing
3.7.2 Install transducer cables
Procedure
1. Use the existing cable and cut the new cable (P/N 1-360-01-310) for each chordset
2. Insert the keyed chordset into the transducer holder. Make sure the keyed parts are
3. Screw the cable nut onto the transducer holder turning clock-wise until hand-tight.
Rosemount Gas Ultrasonic Flow Meters
from the transducer holder (see
Base Electronics Enclosure) until the transducer cable freely slides inside the gland.
Electronics Enclosure using a 6mm Allen wrench.
necessary to remove the ground lug wire and loosen the conduit connections prior
to removal.
from the Acquisition Module (see
dislodge or damage the enclosure gasket.
cable through the Base Enclosure gland.
to same length.
correctly aligned.
Ensure the threads are correctly aligned and do not overtighten the cable nut.
Figure 3-17).
Figure 3-18).
Meter repairs
April 2022
71