ACES SYSTEMS Cobra II, Руководство пользователя

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Gen II
User Manual
20-3 – Check Track Chapter 20 Revision 3.00, April 2020

Use the [

] key to move down to the “No. of Blades” field. Using the [

] key, select the
number of blades on the rotor you are checking. Available selections are 2 through 6.

Use the [

] key to move down to the “Relative to Blade” field. This selection will
determine the reference blade for tracking displays. Selecting “AVG” will present rotor
blade positions relative to the average of all blades. Selecting a specific blade number
will present all other blade positions relative to the blade number selected. Use the [

]
key to select the reference blade.

Move to the “Track Units” field using the [

] key. Select the track units from either
inches or mm by using the [

] key to toggle between the available selections. This will
set the scale for the track-recording screen.

Use the [

] key to move down to the “Blade RPM” field. Use the keypad to enter the
expected main rotor RPM.

Use the [

] key to move down to the “Rotor Diameter” field. Enter the diameter of the
Main Rotor into this field using the analyzer’s keypad. (Refer to the Model 550 TraX
TM
operational supplement, P/N 75-900-4043 for additional details as necessary.)

Use the [

] key to move down to the unlabeled units field. Use the [

] key to select the
measurement units you would like to use for the Main Rotor Diameter ONLY. Track
elevation, lead/lag units, and adjustment units are all set in separate locations. (Refer to
the Model 550 TraX
TM
operational supplement, P/N 75-900-4043 for additional details as
necessary.)

Use the [

] key to move down to the “Lead/Lag Units” field. Use the [

] key to select
the measurement units you would like to use for the Lead/Lag ONLY. Track elevation,
rotor diameter, and adjustment units are all set in separate locations. (Refer to the Model
550 TraX
TM
operational supplement, P/N 75-900-4043 for additional details as
necessary.)

Use the [

] key to move down to the “Blade 1 Offset” field. Use the analyzer’s keypad to
enter a number between (-)180 and 180 indicating the angular distance from the location
of the TraX
TM
to the location of the Target Blade at the time of the Tach event. (Refer to
the Model 550 TraX
TM
operational supplement, P/N 75-900-4043 for additional details as
necessary.)

Use the [

] key to move down to the “In. from Mast CL” field. Use this field to enter the
distance between the centerline of the mast and the mounted location of the TraX
TM
. This
is the linear distance measured in the same plane as the TraX
TM
is mounted. Valid entries
are from 1 inch to 999 inches and will ALWAYS be entered as inches regardless of any
other selections above. (Refer to the Model 550 TraX
TM
operational supplement, P/N 75-
900-4043 for additional details as necessary.)