Table of Contents
Advertisement
4.
Verify that there is a small strip of reflective tape on the shaft of the calibrator
underneath the disk.
5.
Set CAM RATE (RPM) switch to 900.
6.
Turn on calibrator and adjust pot next to 900 CAM RATE switch position until 2
ring from outside on rotor disk appears frozen in place under 60 Hz light.
7.
Using the DU and Display Program, click on the Measurements Only button in the
Select Procedure menu of the Application Program. Refer to Section 3.2.1 for
detailed instructions on manual operation.
8.
In the Measurements Only menu, click on the Bal Meas Only button.
9.
In the Bal Meas Only menu (Figure 4-3), enter the following settings:
•
Select PHOTOPROBE in the AZ CH: pull down window.
•
Select VELO 1 in the VIB CH: pull down window.
•
Enter 900 in the BAL RPM: window by highlighting the existing entry on the
display with the stylus, and then typing in the number using the keypad.
•
Select 1 in the N PER REV pull down window.
•
Select AUTO STOP in the pull down window.
10. Click on the Start button.
11. Verify that the correct RPM is displayed in the upper left corner of the Bal Meas
Only window.
4.3.7 FasTrak Test
Before doing the FasTrak test, make sure you have the special overlay for the calibrator disk. See
paragraph 4.3.7.1 and Figure 4-7 for samples that can be copied or recreated.
NOTE: This test should be performed in a well-lit room.
1.
Assemble the test set-up as shown in Figure 4-1 using the appropriate sensors and
cables.
2.
Place calibrator on its back on a flat surface.
3.
Place FasTrak on its side with the pin connector facing up. The FasTrak window
should be facing the calibrator approximately six inches away.
4.
Set CAM RATE (RPM) switch to 900.
5.
Turn on calibrator and adjust pot next to 900 CAM RATE switch position until 2
ring from outside on rotor disk appears frozen in place under 60 Hz light.
6.
Tape the overlay you made from Figure 4-7 onto the rotor disk to simulate blade
passing.
7.
Plug the FasTrak cable (P/N 13279) into the "A" connector on AU and into FasTrak
Optical Sensor.
8.
Using the DU and Display Program, click on the Measurements Only button in the
Select Procedure menu of the Application Program. Refer to Section 3.2.1 for
detailed instructions on manual operation.
9.
In the Measurements Only menu, click on the Bal Meas Only button.
10. In the Bal Meas Only menu (Figure 4-3), enter the following settings:
•
Select AZIMUTH 1 in the AZ CH: pull down window.
VXP System Maintenance Manual 4-11
Maintenance
nd
1
nd
1
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
