1. Using Calibrator Model 11, 11B, or 11/11PS install two
NOTE: In order for the calibrator to displace the
velocimeters accurately, BOTH velocimeters must be
installed, or alternately, a mass equal in weight to the
velocimeter must be placed opposite the velocimeter being
tested.
2. Connect the Velocimeter to the Balancer channels 1 and
3. Insert a magnetic pickup in the 5/8 - 18 threaded hole
4. Connect the magnetic pickup to channel A of the
5. Remove all screws from the calibrator strobe disc
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velocimeters, one on each side of the Calibrator using
the 1/4 - 28 threaded holes provided.
2.
until the tip of the magnetic pickup just touches the
"interrupter" screws, then back off one flat and tighten
the jam nut.
Balancer.
EXCEPT the two screws used for the single interruptor.
See the picture below:
Chapter 6 – Maintenance
13841 Rev A
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