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EFFECTIVITY
GUN 111-113 77-31-00
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D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-31-00-132
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 2 - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 2 - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 001-099, 101-110, 115, 201-999 77-31-00
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D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-31-00-132
General
Push the YES switch, from the HOLE CONFIG.? display to see or
change (modify) balance weight data in the AVM signal
conditioner memory. It is very important that you make sure
the fan balance weight data (POX and location) in the AVM
signal conditioner memory match the actual balance screws
and positions on the engine. The AVM balance solution will not
be accurate if the balance weight data does not agree.
GUN 001-099, 101-110, 115, 201-999
Push the YES switch, from the WEIGHTS CONFIG.? display to
see or change (modify) balance weight data in the AVM signal
conditioner memory. It is very important that you make sure the
fan balance weight data (XXXX and location) in the AVM signal
conditioner memory match the actual balance screws and
positions on the engine. The AVM balance solution will not be
accurate if the balance weight data does not agree.
GUN 111-113
Push the YES switch from the READ CONFIG DATA? menu to
see engine locations that the AVM signal conditioner believes
has balance screws with a classification that are different than
P07. The P07 balance screw is the initial balance screw.
GUN 001-099, 101-110, 115, 201-999
Push the YES switch from the READ ACTUAL CONFIG.? menu
to see locations at the engine that the AVM signal conditioner
believes has balance screws with a classification that are
different than P14. The initial balance screw is P14. Balance
screws PO8 through P13 are measured by moment weight
result. The moment weight result is the weight of each screw
minus the moment weight of screw P14. If there is no weight in
any location of the engine, the AVM shows the message, ALL
LOC. ARE P14.
GUN 111-113
Then push the NO switch to go to the RESET ACTUAL CONFIG?
menu. Push the YES switch to reset all of the balance weight
data at all locations for that engine in AVM memory. A message
will ask you if really want to reset the data in AVM memory. The
initial balance screw is P07. Balance screws PO1 through P06
are measured by moment weight result. The moment weight
result is the weight of each screw minus the moment weight of
screw P07.
GUN 001-099, 101-110, 115, 201-999
Push the NO switch to go to the RESET ACTUAL CONFIG?
menu. Push the YES switch to reset the balance weight data at
all locations for that engine in AVM memory. The next display
shows SAVE NEW CONFIG?. To save the reset configuration,
push the YES switch. To keep the old configuration, push the NO
switch.
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 3 - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 001-099, 101-113, 115, 201-999 77-31-00
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D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-31-00-135
GUN 001-099, 101-110, 115, 201-999 (Continued)
GUN 111-113
Use the MODIFY ACTUAL CONFIG.? menu to change individual
balance weight data in AVM memory. Use up arrow switch and
down arrow switch to change the weight classification (P01-P07)
of the balance screw at the position. The AVM asks you if you
are sure that you want to change the data in memory. Push the
YES switch to save the change.
GUN 001-099, 101-110, 115, 201-999
Use the MODIFY ACTUAL CONFIG.? menu to change individual
balance weight data in AVM memory. Use the up arrow switch
and down arrow switch to change the weight classification (P08-
P14) of the balance screw at the position. The AVM asks you if
you are sure that you want to change the data in memory. Push
the YES switch to save the change.
GUN 001-099, 101-113, 115, 201-999
Training Information Point
GUN 111-113
Initial balance screw PO7 has a moment weight result of 0.0
gram-centimeter.
GUN 001-099, 101-110, 115, 201-999
Initial balance screw P14 has a moment weight result of 0.0
gram-centimeter.
GUN 001-099, 101-113, 115, 201-999
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