(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 864-012-C00
(2) Remove DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Load Control Center
1) ENG VIBRATION MONITOR
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737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 864-033-C00
(3) 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:
NOTE: AVM signal conditioners with the 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.
(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 864-039-C00
(4) AVM SIGNAL CONDITIONERS WITHOUT A DISPLAY ON THE FRONT PANEL; Do these steps to do a self test of the AVM signal conditioner:
NOTE: AVM signal conditioners with the 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).
NOTE: The self test of the AVM signal conditioner will
____ occur automatically when the electrical power is supplied.
1) If the AVM signal conditioner fails the self test, a record of the failure will be made in the fault history as the last fault.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
2) If the ARINC 429 reader shows 1, there is a failure of the AVM signal conditioner and it should be replaced.
S 864-034-C00
(5) AVM SIGNAL CONDITIONERS WITH A 24-DIGIT LED DISPLAY ON THE FRONT PANEL; Do these steps to do a self test of the AVM signal conditioner:
NOTE: AVM signal conditioners with the part numbers that follow
____
have a 24-digit LED display on the front panel:
-S360N021-113/-114
-S360N021-213.
(a)
Make sure the vibration indication on panel P2 is zero.
(b)
Push and release one of the four buttons on the front display of 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)
AIRPLANES WITH AN ENDEVCO S360N021-213 AVM;
The AVM signal conditioner will show SELF TEST?.
(d)
Push and release the YES button on the front display of the AVM signal conditioner.
NOTE: All of the front display will illuminate for 1-3
____
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