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77-31-00-140
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 5 - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 5 - TRAINING INFORMATION POINT
EFFECTIVITY
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-31-00-140
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 5 - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - BALANCE PG 5 - 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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.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
77-31-00-140
General
The AVM signal conditioner has a front panel LED display and
four BITE switches. You use the BITE switches for navigation
through the BITE menus.
The LED display is normally off. The display comes on when
you push any of the BITE switches and power is available. The
display goes blank again if any one of these happens:
* You do not push any BITE switches in 15 minutes
* The crew starts both engines
* You push the NO bite switch at the ERASE STORED DATA
menu.
The BITE has these five main menu items:
* SELF TEST
* SYSTEM FAULTS
* FLIGHT HISTORY
* BALANCE ENGINES
* ERASE STORED DATA.
The SELF TEST menu item shows when the display first comes
on. You push the NO BITE switch to go to the next menu item.
You use the YES BITE switch to enter the SELF TEST menu. The
BITE switches with the up arrow and down arrow are inactive at
the SELF TEST menu.
Always follow the fault isolation manual (FIM) procedure and
any necessary AMM procedures when you do AVM BITE.
SELF TEST
The SELF TEST menu selection lets you make the AVM signal
conditioner to do an internal self test. See the SELF TEST - TIP
page that follows in this section for more information on this
part of the BITE menu.
SYSTEM FAULTS
The SYSTEM FAULTS menu selection lets you see the external
(interface) AVM system fault (maintenance) messages that are
in non-volatile memory. You push the NO BITE switch from the
SELF TEST menu to get to the SYSTEM FAULTS menu. You can
push the up arrow BITE switch to return to the SELF TEST
menu. See the SYSTEM FAULTS - TIP page that follows in this
section for more information on this part of the BITE menu.
FLIGHT HISTORY
The FLIGHT HISTORY menu selection lets you see vibration
data for the last 32 flights (cycles or legs) for each engine. See
the FLIGHT HISTORY - TIP page that follows in this section for
more information on this part of the BITE menu.
BALANCE ENGINES
The BALANCE ENGINES menu selection lets you do these
tasks:
* See fan and LPT imbalance data for the last flight (cycle or
leg)
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - MAIN MENU - TRAINING INFORMATION POINT
EFFECTIVITY
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
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* See and modify balance weight information in AVM nonvolatile
memory
* Make the AVM signal conditioner calculate a balance
solution for 1 plane (fan only)
* Make the AVM signal conditioner calculate a balance
solution for 2 planes (fan and low pressure turbine).
See the BALANCE ENGINES - TIP pages that follows in this
section for more information this part of the BITE menu.
ERASE STORED DATA
The ERASED STORED DATA menu selection lets you erase
these sets of data from AVM signal conditioner non-volatile
memory:
* Flight history
* Imbalance data
* Balance weight information.
See the ERASED STORED DATA - TIP page that follows in this
section for more information this part of the BITE menu.
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - MAIN MENU - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 77-31-00
Page 68
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
77-31-00-214
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - MAIN MENU - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - MAIN MENU - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 77-31-00
Page 69
D633A101-GUN Jun 10/2006
　
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