Chapter 4 - Installation
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Photocell Procedures - Locate a specific placement for the
photocell probe, as follows:
1. Rotate the component to be balanced to a position where a
blade or some easily identifiable part of the rotating
assembly crosses the photocell beam.
2. Place a retro-reflective target on the rotating component
where it can be illuminated by the photocell beam. Make
sure to align the target strip tangentially relative to the
component’s circular motion.
NOTE: The user can locate correct placement of the target
by checking the small LED, pulsating on the back of the
photocell probe. This LED is the alignment indicator. As
the LED pulses faster (at a higher rate), it indicates better
alignment. However, if the pulse rate is too fast to observe,
the user must reduce the size of the target.
3. Mount the photocell probe in an optimum position, using the
photocell bracket (see the example diagram below).
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