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ADFM® Flow Meter
Section 2 Setup and Installation
Early version HTI: safety
reinforcement
Figure 2-47 Secondary collar installation
2-44
5. Lock the sensor shaft in place by tightening the collar
screw.
Note that there are two screws; the screw to be tightened is
on the side of the collar, not the top.
Never loosen any hardware on the Hot Tap sensor when the
pipe is pressurized. Pressure within the pipe can force the
shaft to come out of the pipe, causing grave injury to
anyone nearby.
A secondary clamping collar (kit 69-7303-012) is included with
the early version Hot Tap sensor. Should the secondary collar
become necessary, install it on the shaft directly behind the first
collar.
1. Remove the Allen screw from the top of the first collar.
2. Place one half of the new collar on top of the old one, align-
ing the holes. Insert the long Allen screw, with spring lock
washer, through the new collar clamp and down into the
threaded hole of the old collar, and tighten down firmly.
Allen
screw
Spring
washer
Hex
nuts
Lock
washers
WARNING
WARNING
Spacers (4)
washers (4)
Hex screws
Flat
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Troubleshooting
