Figure 3-9 Transducer Assembly Removal; Figure 3-10 Lt-07 Transducer Assembly Removed From Transducer Housing - Emerson Daniel 3818 Maintenance And Troubleshooting Manual

Lng liquid ultrasonic meter for cryogenic liquefied natural gas applications
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Maintenance and Troubleshooting Manual
3-9000-772 Rev B
3.

Figure 3-9 Transducer assembly removal

A. Half dog set screw and hex nut
B. Transducer cover connection head
4.
5.

Figure 3-10 LT-07 Transducer assembly removed from transducer housing

A. Transducer assembly
Re-wetting the transducers
Use a 7/16 inch wrench to loosen the lock nut on the set screw. Hold the set screw
using a 1/8 inch Allen wrench as the lock nut is loosened a few turns. Use a 1/8 inch to
loosen, but do not remove, the half dog set screw. See the figure below and refer to the
LT-07 Transducer Assembly
A.
B.
Mark the cable position on the meter body. This mark will be helpful to rotationally
align the transducer with the transducer housing during re-assembly.
Pull the transducer assembly out of the housing.
.
Figure 3-7
Section 3: Meter maintenance
January 2018
A.
47

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