77-31-00
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 815-026-C00
(13)
If there are BITE maintenance messages or fault codes, do the troubleshooting that shows for an AVM Indication Problem (AMM 71-00-54/101).
S 865-028-C00
(14)
Do this test again for the other engine.
S 415-027-C00
(15)
Close the electronic equipment access door, 1201L.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
TASK 77-31-00-705-031-C00
3. Airborne Vibration Monitor (AVM) Signal Conditioner - Self Test
_______________________________________________________________
A. References
(1) AMM 77-31-00/201, Airborne Vibration Monitoring (AVM) System
B. Access
(1)
Location Zone
205 Electronic Compartment
210 Control Cabin
(2)
Access Panel
1201L Electronic Equipment Access Door
C. Prepare to Do the self test of the AVM signal conditioner
S 865-033-C00
(1) Make sure this circuit breaker is closed:
(a) P6 Load Control Center
1) ENG VIBRATION MONITOR
S 865-034-C00
(2) AIRPLANES WITH THE ENGINE INSTRUMENT SYSTEM (EIS);
Make sure these circuit breakers are closed:
(a) P6 Load Control Center
1) EIS SEC 1
2) EIS SEC 2
3) EIS SEC 3
4) EIS SEC 4
5) EIS SEC 5
6) EIS SEC 6
S 865-036-C00
(3)
Make sure the vibration indicators on the P2 panel in the flight compartment show zero units.
(4)
Open the access door, 1201L, to the electrical compartment.
S 865-093-C00
(5)
AVM SIGNAL CONDITIONERS WITH A 2-DIGIT LED DISPLAY ON THE FRONT PANEL; Do these steps to do a self test of the AVM signal conditioner:
S 015-037-C00
NOTE: The AVM signal conditioner part numbers that follow have
____
a 2-digit LED display on the front panel:
-S332T304-16/-23/-26/-27/-30
-S360N021-201/-202.
(a) Make sure the vibration indication on panel P2 is zero.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)
Push and release the TEST button on the AVM signal conditioner.
1) If the AVM signal conditioner is blank, do the troubleshooting that shows for an AVM Indication Problem (AMM 71-00-54/101).
(c)
Make sure that the AVM signal conditioner shows 88 for 1-3 seconds, and then turns the display off. 1) If the display goes out of view, the AVM signal conditioner
passed the self test.
2) If 88 remains on, there is a failure of the AVM signal conditioner and it should be replaced. a) Do the self test again.
(d) If the AVM signal conditioner shows code A9, there is a failure of the AVM signal conditioner. 1) Replace the AVM signal conditioner and do the self test
again.
S 865-095-C00
(6) AVM SIGNAL CONDITIONER WITHOUT A DISPLAY ON THE FRONT PANEL; Do these steps to do a self test of the AVM signal conditioner:
NOTE: The AVM signal conditioner part numbers that follow do
____
not have an LED display on the front panel:
-S360N021-100/-102.
(a) Read the fault history of the AVM signal conditioner with the ARINC 429 reader (AMM 77-31-00/201).
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本文链接地址：737-300 400 500 AMM 飞机维护手册 发动机指示 ENGINE INDICATIN(88)
