Table 3-2: Tools and supplies for disassembly and assembly (continued)
Tool list, shop supplies and reference documents
1 ¼” combination wrench
1 ⅛” combination wrench
1” combination wrench
3/16” flat Blade screw driver
1/16” Xcelite Hex driver
6 mm Allen wrench
N.A.S. Loctite Nickel Anti-Seize 16 oz. Brush Top P/N 77164
Molykote 111
Shop supplies
Shop rags
Adhesive stickers for the cable nuts Sharpie Fine Point Permanent Marker (Black) Series # 30000, to
label transducers:
• A1, A2, B1, B2, C1, C2, D1 and D2 for SeniorSonic meters
• A1, A2, B1 and B2 for JuniorSonic meters
Liquid leak detection fluid (customer supplied item)
Procedure
1. Blow the line down according to the site standard operating procedures.
2. Ensure that the line pressure is down to atmospheric pressure prior to disassembly.
3. Disconnect transducer cabling and chordset from the transducer assembly by
turning the cable nut counter-clock wise.
4. Disconnect the transducer cable nut. Pull the chordset from the transducer
assembly.
Note
Do not twist the chordset as you disconnect it from the transducer assembly.
5. If the meter is equipped with T-21 or T-22 transducers, remove the transducer
retainer using a 1 ⅛” wrench and then disconnect and remove the transformer
(Figure 3-3).
Note
T-21 transducers use W-01 transformers and T-22 transducers use W-02
transformers.
Meter repairs Maintenance and Troubleshooting manual
July 2020 3-9000-769
50 Gas Ultrasonic Flow Meters
To Next Page
Loading...
