Honeywell VXP, System Maintenance Manual, Page: 53 / 105

Maintenance
VXP System Maintenance Manual 4-9
7. Select the desired vibration input in the Vib Ch pull down window (ensure that there
is a vibration sensor connected to the selected channel).
8. Select the desired azimuth input in the Az Ch pull down window (ensure that there is
an azimuth sensor connected to the selected channel).
9. Verify that the remaining settings are as shown in Figure 4-4.
10. Click on the Spectrum Set-up icon in the lower left corner of the Spectrum
Meas Only window.
11. Select IPS in the amplitude units pull down window.
12. Select RPM in the frequency units pull down window.
13. Click on the OK button to exit the Spectrum Set-up window.
14. Select Auto Stop in the upper left corner of the Spectrum Meas Only window.
15. Click on the Start button in the upper left corner of the Spectrum Meas Only window.
16. Verify that a peak appears at 900 RPM in the spectrum, and that the amplitude is
within the limits shown in Table 4-8. See Figure 4-5 for an example of how a typical
spectrum looks.
17. Verify that the RPM display in the upper right corner of the Spectrum Meas Only
window indicates 900 ±10.
18. Repeat the preceding steps as needed to test all vibration and azimuth channels.
Figure 4-5. Typical Spectrum Results