GE TransPort PT878GC User Manual page 54

Portable gas flowmeter
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April 2009
Installing the Second Bracket (cont.)
Note: Do not slide the transducer with couplant along the
surface of the pipe when mounting the transducer.
3. With one hand, mount one transducer into the PI fixture. With
the other hand, tighten the transducer hold down screw,
gradually pushing the transducer down to the pipe surface.
Use a wrench to tighten the backing nut to prevent loosening
due to vibration and thermal expansion.
IMPORTANT:
4. Repeat step 3 for the other transducer.
3-24
Installing the Dampening Material, Transducers and Fixtures
Do not use pliers or a wrench on the thumbscrew.

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