c) Turn the bottom piece counter-clock wise by 90 ° to let the tap snap into the
correct slot. Make sure the tap is secured in the slot.
12. Hold transducer capsule vertically and apply a small amount of Acoustic Coupling
Fluid (P/N: 1-360-01-650) to the surface of Kapton tape.
13. Carefully spread the coupling fluid on the surface using the tip of the plastic bottle
for the coupling fluid.
Note
Try to avoid pressing the Kapton tape while spreading the coupling fluid.
14. Wait for 30 - 60 seconds to let the coupling fluid spread more evenly on the surface.
15. Insert the transducer capsule into the transducer stalk while aligning the anti-
rotation pin on the capsule with the slot on the inner surface of the stalk.
16. Make sure that the indicator ring on the transducer capsule is flush with the end of
the transducer stalk to ensure the capsule is set to the correct length (see Table
3-3).
17. Hand-tighten the transducer retainer onto the stalk.
18. Follow Section 3.5.2 to install the transducer assembly in a meter body.
3.8 Transducer cable removal and installation
Daniel 3410 Series Ultrasonic Gas Flow Meters have blue transducer cables and a
transducer cable nut that threads directly into the back of the transducer holder. The
cables use plastic glands that are installed on the meter’s Base Enclosure.
Note
Make a note of the exiting cabling path layout to allow proper tie-wrap configuration later
in this procedure.
Maintenance and Troubleshooting manual Meter repairs
P/N 3-9000-769 June 2019
Maintenance and Troubleshooting manual 81
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