TASK 2 - FLAT TRACK MAIN ROTOR ON THE GROUND
PROCEDURE 1: PREPARATION
a. Install test equipment (refer to task 1).
b. Operate aircraft at IDLE (70% N1).
c. Turn on DAU.
d. Turn on CADU.
PROCEDURE 2: PERFORM GROUND TRACK (GNDTRK) MEASUREMENT
a. Press QUIT on the CADU until all selections are undefined.
b. Use cursor keys to highlight Aircraft Type, then press DO.
c. Use cursor keys to highlight aircraft type based on table 2, then press DO.
d. Tail Number is highlighted. Press DO.
e. Use cursor keys to highlight a tail number or enter a new tail number (up to seven digits), then press DO.
f. Flight Plan is highlighted. Press DO.
g. Use cursor keys to highlight GNDTRK. Press DO.
h. Enter the Measure mode by pressing F1. Verify that Test State Fpg100 is highlighted.
i. Press DO when the aircraft is stable at the highlighted selection. Re-verify that the aircraft is at the required
Test State and press DO again. The AVA will acquire track and vibration data and return to the selection menu.
j. After the measurement is completed, press DO on Finish, then press DO on Diagnostics. If measurements are
within specified limits, press QUIT to Main Menu and perform task 3, Balance Main Rotor on the Ground.
k. If measured values exceed specifications, press DO to calculate a solution. Evaluate the improvements
obtainable through recommended corrections. Perform corrections as shown.
l. After corrections are installed, take the measurements again to verify improvements.
m. Perform task 3, Balance Main Rotor.