Replacing The Acquisition Module; Figure 3-22 Bracket/Cover Plate Removal - 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
3.4.7

Replacing the Acquisition Module

Procedure
1.
2.
3.
4.

Figure 3-22 Bracket/Cover plate removal

A.
B.
C.
D.
E.
F.
A. Transmitter electronics enclosure
B. Socket head screws with hole for security wire
C. Bracket/Cover with synchronization cable
D. Acquisition cable
E. Base remote mount enclosure with Acquisition Module
F. Support plate
5.
6.
Replacing the Acquisition Module
Disable electrical power to the meter.
Refer to
for the tools required to complete this procedure.
Table 3-4
Attach a plate to the remote mount pipe or rigid structure to support the Base
Enclosure.
If the meter is equipped with security seals, remove the seals from the socket head
screws in the Bracket/Cover.
Use a 7/16 inch (11mm) wrench and remove the four hex head bolts and split lock
washers securing the Base Enclosure to the Bracket/Cover.
Carefully lower the Base Enclosure and rest it on the support plate.
Section 3: Meter maintenance
January 2018
67

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