C.
Procedure
S 864-002-N00
(1)
For the applicable engine, open this circuit breaker and install a DO-NOT-CLOSE tag:
(a) P6 Main Power Distribution Panel
1) 6H26 VIB AMP ENG 1&2
2) 6H27 VIB AMP ENG 3&4
(2)
Remove the applicable AVM signal conditioner (AMM 20-11-22/401).
S 024-003-N00
TASK 77-31-03-404-004-N00
3. Install Airborne Vibration Monitor Signal Conditioner (Fig. 401)_____________________________________________________
A. References
(1)
AMM 20-11-22/401, Rack-Mounted Electrical/Electronic Module
(2)
AMM 77-31-00/501, Airborne Vibration Monitoring (AVM) System
(3)
IPC 77-31-52, Fig. 1
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
BSEE AVM SIGNAL CONDITIONER, M7846 (E2-1)
BSEE AVM SIGNAL M118 (E1-1) CONDITIONER,
ASEE ELECTRONIC EQUIPMENT RACK, E1/E2 FWD ELECTRONIC EQUIPMENT RACK, E1/E2
A
TEST SWITCH RED LIGHT
Self Test ?
YES NO
2 3 4 5 7 9 10 12 13 14 15 17 18 19 20 16 1116 RECORD MOD 8 SWITZERLAND ENGINE VIBRATION MONITOR Type: S/N: 0007 2000-01 PSCM No.: S3960 EVM 280 P/N: 241-280-051-012 BO no S362A001-1 vibro meter
AVM SIGNAL CONDITIONER AVM SIGNAL CONDITIONER
B 1 B 2
1 2 AIRPLANES WITH ENDEVCO S360N021 AVM AIRPLANES WITH VIBRO-METER S362A001 AVM
Airborne Vibration Monitor (AVM) Signal Conditioner Installation
Figure 401
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(4)
WDM 77-12-11, 77-12-12, 77-12-13, 77-12-14, 77-12-21, 77-12-22
(5)
WDM 77-12-23, 77-12-24, 77-31-11, 77-31-12
(6)
SSM 77-31-01
B.
Access
(1)
Location Zone
117 Electrical & Electronic Compartment, LH
118 Electrical & Electronic Compartment, RH
C.
Procedure
S 424-005-N00
(1)
Install the applicable AVM signal conditioner (AMM 20-11-22/401).
S 864-006-N00
(2)
For the applicable engine, remove the DO-NOT-CLOSE tag and close this circuit breaker:
(a) P6 Main Power Distribution Panel
1) 6H26 VIB AMP ENG 1&2
2) 6H27 VIB AMP ENG 3&4
S 714-007-N00
(3) Do the operational test for the AVM system (AMM 77-31-00/501).
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