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AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - SYSTEM FAULTS - 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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.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
77-31-00-216
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - SYSTEM FAULTS - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - SYSTEM FAULTS - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 77-31-00
Page 73
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.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
77-31-00-216
Purpose
You go to SHOW FLIGHT HISTORY in the main menu to see
vibration data for the last 32 flights (cycles or legs) of each
engine.
General
The flight data is in AVM nonvolatile memory. Flight 0 (zero) is
the last flight. Flight 31 is the oldest flight in memory. After 32
flights, the oldest flight data is lost as the AVM signal
conditioner records the last flight data. You can not erase
flight history data from this part of the menu. See the ERASE
STORED DATA - TIP page in this section for more information.
You see this data for each flight (cycle or leg) of each engine:
* Highest fan vibration in scalar units (same units as on shown
in flight compartment on CDS)
* Highest high pressure compressor (HPC) vibration in scalar
units
* N1 and N2 speed (in per cent) at time highest fan vibration
happened
* Time from start of flight that highest fan vibration occurred
* Highest low pressure turbine (LPT) vibration in scalar units
* Highest high pressure turbine (HPT) vibration in scalar units
* N1 and N2 speed at time highest LPT vibration occurred
* Time from start of flight that highest LPT vibration happened.
Training Information Point
You use the up and down arrow BITE switches to navigate
through the data. The navigation is faster when you push and
hold the BITE switch.
Push the NO BITE switch at any display to go back to the start of
the FLIGHT HISTORY menu.
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - FLIGHT HISTORY - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 77-31-00
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.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
77-31-00-217
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - FLIGHT HISTORY - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - FLIGHT HISTORY - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 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
77-31-00-217
Purpose
You use the BALANCE ENGINES menu to get access to the
these balance functions:
* SHOW IMBALANCE DATA?
* EDIT ENG BALANCE PARTS?
* ENGINE TRIM BALANCE?.
General
You use the SHOW IMBALANCE DATA menu to see vibration
data for the last flight (cycle or leg) of each engine. The AVM
signal conditioner uses this set of data to calculate the balance
solution. The data that shows in this menu is different that the
flight history data. See ENGINE BALANCE PG 2 for more
information about the SHOW IMBALANCE DATA menu.
You use the EDIT ENG BALANCE PARTS menu to see or modify
engine fan balance weight information in AVM nonvolatile
memory. See ENGINE BALANCE PG 3 for more information.
The ENGINE TRIM BALANCE menu lets you do these tasks:
* Make the AVM signal conditioner compute the balance
solution for 1 plane (fan only)
* Make the AVM signal conditioner compute the balance
solution for 2 planes (fan and low pressure turbine).
See the ENGINE BALANCE PG 4 for more information about the
balance function.
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - ENGINE BALANCE PG 1 - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 77-31-00
Page 76
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
77-31-00-230
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - ENGINE BALANCE PG 1 - TRAINING INFORMATION POINT
AVM SYSTEM - AVM SIGNAL CONDITIONER BITE - ENGINE BALANCE PG 1 - TRAINING INFORMATION POINT
EFFECTIVITY
GUN 114 77-31-00
Page 77
D633A101-GUN Jun 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
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