TASK 3 - BALANCE MAIN ROTOR ON THE GROUND
PROCEDURE 1: PREPARATION
Perform task 2, Flat Track Main Rotor on the Ground.
PROCEDURE 2: PERFORM INITIAL MEASUREMENT
a. Use cursor keys to highlight Aircraft Type, and then press DO.
b. Use cursor keys to highlight UH1 for metal blades and UH1CRB for composite blades, then press DO.
c. Tail Number is highlighted. Press DO.
d. Use cursor keys to highlight a tail number used in task 2, then press DO.
e. Flight Plan is highlighted. Press DO.
Use cursor keys to highlight INITIAL. Press DO.
g. Enter the Measure mode by pressing F1. Verify that Test State IDLE is highlighted.
h. Press DO when the aircraft is stable at the highlighted selection. Verify that the aircraft is at the required Test
State (IDLE, FPG100, or HOVER) and press DO again. Perform this operation each time a measurement is
completed and another Test State is highlighted. The AVA will acquire track and vibration data at each Test
State and then return to the selection menu.
After the last measurement is completed, press DO on Finish, then press DO on Diagnostics. If
measurements are within specified limits, press QUIT to Main Menu and proceed to task 4, Track Main Rotor
If measured values exceed specifications, press DO to enter the DIAGS mode.
k. Perform corrections shown, making certain to view all screens of a multiple screen solution.
Repeat steps above until all measurements are within limits.
m. Proceed to task 4.