Routine Servicing
Vibrex 2000 and Vibrex 2000 Plus User Guide 131
5. Remove all screws from the calibrator strobe disc EXCEPT the two
screws used for the single interruptor. See the picture below:
6. Connect the Calibrator to a regulated 28 Vdc power supply.
NOTE: A 28 volt battery is sufficient.
7. Connect the Strobex (if applicable) to the Balancer using the 12979
tracking cable and to the power supply.
8. Turn the Calibrator switch to “ON”.
9. Turn speed selection to 900 RPM.
10. Using a florescent light, adjust the speed of the calibrator to give a
stopped (but slight blurred) view of the pertinent strobe disc. See
Calibrator manual for details on tuning speed of the Calibrator.
11. Turn Balancer ON.
12. After Power Up self test, press TRACK & BALANCE.
13. Select channel 1 and A press START.
14. Reading should be.4 IPS +/-.04 IPS and 9:00 o’clock +/- 1 hour and
RPM should read 900 +/- 5 RPM.
15. Turn calibrator speed selection to 1800 RPM. Adjust speed according
to Step 10.
16. Press REDO Measurement (Context Key).
17. Readings should be.8 IPS +/-.08 IPS at 9:00 o’clock, +/- 1 hour and
RPM should read 1800 +/-10 RPM.
18. Perform the same tests using channel 2 and B.
19. Press GO back and initiate a Strobe Track.
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