WARNING
FLUID CONTENTS MAY BE HAZARDOUS
The meter must be fully depressurized and drained before attempting to remove the
transducer housing. If fluid leaks at the joint of the transducer housing and the body as the
transducer housing is unscrewed, immediately reinstall it.
Failure to comply may cause serious injury to personnel or equipment damage.
A. Transducer housing and meter body joint
Table 3-6: Transducer housing removal tool list
Tools required
For transducer housing removal - Crescent wrench, channel lock pliers wrench or socket. 2” thru
10” meter size 1.00 inch wrench. 12” and larger meter size 1.50 inch wrench.
7/15 inch wrench (11 mm)
Retaining ring pliers (Rosemount P/N 1-504-90-043 or Stanley Proto #J371 or #371L)
MeterLink, or AMS
™
Device Manager or a HART
®
Field Communicator
3.6.1
Replace transducer housing and seals
Procedure
1. Disable electrical power to the meter.
2. Before removing the transducer housing, drain the meter of fluid and ensure the
pressure inside the meter is at atmospheric pressure. If fluid leaks at the joint of the
transducer housing and the body as the transducer housing is unscrewed,
immediately reinstall. The meter has not been drained and/or depressurized.
3. Disassemble the shrouds. Refer to the appropriate sections below for your meter:
•
Maintenance and Troubleshooting Manual
Meter maintenance
00809-0100-3812
April 2022
Rosemount 3812 Liquid Ultrasonic Flow Meter
57
Содержание Rosemount 3812
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