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number shows.
If no coefficients are recognized by the AVM, the identification
number shows as "---------".
When you push the NO switch from the generic coefficients
menu, the XXXXXXXX SPECIFIC COEFFS. ? message shows.
Where X is the eight-character coefficient set identification
number shows. You can reset the specific coefficients when
they are no longer needed.
The COMPUTE IN PROGRESS MESSAGE shows when you
push the YES switch from the XXXXXXXX GENERIC COEFFS.
display. The X FLIGHTS DISPLAY ? message shows if the AVM
has flight history vibration data in memory. X is the total number
of flights with vibration data that you may choose from to use in
the balance function. The maximum number of flights to choose
from is 6. The NO BALANCE DATA message shows if there is
no vibration data stored.
Push the YES switch from the X FLIGHTS DISPLAY? message to
go to the next display. This display shows information for flight
zero (the last flight) in history. NNNN is fan balance weight
solution in gram-centimeters. YYY is fan balance weight
position in degrees. X/6 is the number of speed ranges with
valid data (0 to 6). FX is the flight number (0 to 5). Push the down
arrow switch to go to flight 1 data. You must select one flight (set
of data) for the AVM signal conditioner to use in its calculation of
the balance solution. Push the YES switch to select that flight.
The BALANCE IN PROGRESS message shows during the
balance calculations.
When the AVM balance calculation is complete, one of these
messages show:
* SOLUTION FOUND DISPLAY?
* NO BAL. DATA ACQUIRED
* WEIGHT LIMIT EXCEEDED
* NO SOLUTION FOUND
* NO CHANGE REQUIRED.
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Push YES from the SOLUTION FOUND DISPLAY? message to
see the solutions. The balance screws you should remove or
install shows for locations that require a change.
The DISPLAY SOLUTION AGAIN ? message shows after the last
necessary change. Push the YES switch to see the balance
solutions again. Push the No switch to go to the SAVE NEW
CONFIG. ? menu.
Push YES to save the new data in AVM memory only if you plan
to follow the solution and remove and install the appropriate
balance screws. This makes sure that the balance weight data
(weight classification and location) in AVM non-volatile memory
agrees with the actual engine. If the new weight configuration is
saved, the imbalance data for the last six flights will be cleared.
GUN 001-099, 101-113, 115, 201-999
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EFFECTIVITY
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77-31-00-137
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 4 - TRAINING INFORMATION POINT
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EFFECTIVITY
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77-31-00-137
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 4 - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 4 - TRAINING INFORMATION POINT
EFFECTIVITY
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General
Push the YES switch from the BALANCE 2 PLANE COMPUTE?
display to have the AVM signal conditioner supply a balance
solution for the engine fan and low pressure turbine (LPT).
　
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