............................................................................. | Data Button | 00 - 50 *[1] |LPT Vibration - E2 *[5] | ............................................................................. | Data Button | 00 - 50 *[1] |HPT Vibration - E2 *[5] | ............................................................................. | Data Button | 00 - B9 *[2] |N1 Speed (%) - E2 | ............................................................................. | Data Button | 00 - B9 *[2] |N2 Speed (%) - E2 | ............................................................................. | | >00 *[1] | Time of Maximum LPT | | Data Button | | or HPT Vibration -| | | | E2 (Hours) *[4] | ............................................................................. | Data Button | FF |Next Sequence | ............................................................................. | Data Button | 01 *[3] |Flight Number | 2.........................…........................…........................1
*[1] Display will be XX but actual data is X.X
*[2] Display will show 00-99%, A0-A9% (100-109%), B0-B9% (110-119%)
*[3] Last flight is 00, the flight before 01 to 31.
*[4] Elapsed time from the start of the flight in hours.
*[5] In Scaler Units (0.0 to 5.0).
(e) Push and hold the DATA button for more than four seconds to scroll the flight numbers (flight number O1 to 31) and release.
NOTE: The flight numbers will scroll, once each second, until
____ you release the DATA button.
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77-31-00
ALL ú ú C02A Page 234 ú Nov 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(f) Push and hold the DATA button until the data shows what you want and release.
NOTE: The AVM signal conditioner will keep the flight history
____ data for 32 flights in the storage memory. You can not erase the flight history with the DATA or TEST button.
1) Record the flight history.
(g)
Push and release the DATA button until you record all the data that you want.
(h)
Push and release the TEST button to stop the flight history.
NOTE: The TEST button will start a self test and turns the the
____ display off. This puts the AVM signal conditioner back to it standby mode.
(i) If there are high vibrations, do the troubleshooting that shows for High Vibration Indication (AMM 71-00-47/101).
S 412-037-C00
(2) Close the electronic equipment access door, 1201L.
TASK 77-31-00-772-047-C00
4. AVM SIGNAL CONDITIONER ENDEVCO -213; Airborne Vibration Monitoring (AVM) System - System Test
________________________________________________________
A. General
(1)
This task is the system test procedure for the airborne vibration monitoring (AVM) system.
(2)
Use this procedure for the AVM signal conditioner with this part number:
(a)
Boeing part number - S360N021-213.
(b)
Supplier part number - Endevco 6672M213.
(c)
This AVM signal conditioner has a digital display of three lines of eight (8) characters in each line.
(d)
This procedure uses the Built-In Test Equipment in the AVM signal conditioner.
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77-31-00
ALL ú ú C02A Page 235 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(e)
The AVM signal conditioner shows the BUILT-IN Test Equipment Maintenance Messages first and then the flight history.
(f)
This procedure refers to the BUILT-IN Test Equipment as the BITE.
B. References
(1)
AMM 71-00-47/101, High Vibration Indication
