Chapter 4. Inserting T17 Transducers into the Pipe
4.2.2 Mounting the Insertion Mechanism (cont.)
12. Using the packing tool, tighten the packing nut again until the nut is recessed.
The packing material must be properly compressed before the isolation valve is opened.
WARNING!
Packing Tool
Figure 74: Tightening the Packing
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Model T17 Installation Guide