Gen II
User Manual
7-4 – Main Rotor Track & Balance
Chapter 7
Revision 3.00, Apr 2020
“Both” = measurement and storage of both vibration and track for the listed condition
“Vib” = measurement and storage of vibration only for the listed condition
“Trk” = measurement and storage of track only for the listed condition
When all conditions and measurement types desired have been input to your satisfaction, press
[OK] to continue.
7.1.2.
– Tracking Setup Screen
1 Tracking Plane (English)
2 Tracking Planes (Metric)
The “Tracking Setup” screen appears. The purpose of this screen is to allow the user to input the
relevant dimensions of the rotor being balanced. This information will be required to obtain
accurate measurements. Additional device-specific instructions can be found in the Model 550
TraX
TM
Operational Supplement (ACES P/N 75-900-4043).
7.1.2.1.
In the “Rotor Diameter” block, use the keypad to enter a number between 1.00 and
999.00 to include a decimal point.
7.1.2.2.
Press the [
] key to proceed to the unit label field. This is the unit of measure used to
identify the diameter described in the above block. The available choices are: “ft”,
“in”, “mm”, or “m”. Use the [
] key to select the appropriate unit. This field is
independent of the other unit fields required in the setup.
7.1.2.3.
Use the [
] key to move to the “Lead/Lag Units” block. This will define the units
that the lead/lag measurements are displayed in. Available choices are “in” and
“mm”. Use the [
] key to select the appropriate unit.
7.1.2.4.
Use the [
] key to move to the “Blade 1 Offset” block. This will define the angular
distance between the Tach event and the passage of the first blade over the tracking
