(i)
Install the lockwire.
S 864-030
(2)
Close these circuit breakers for the applicable EICAS system:
(a)
P7 Overhead Circuit Breaker Panel
1) 7F8 UPR EICAS
2) 7F9 EIU L
3) 7F10 EIU C
4) 7F14 LWR EICAS
5) 7F15 EIU R
S 864-031
(3)
Supply the electrical power (AMM 24-22-00/201).
S 724-032
(4)
Do a test of the door warning system on the main equipment compartment door.
(a)
Open the forward (main) electronic bay access door.
(b)
Make sure that the DOOR ELEC MAIN message shows on EICAS.
(c)
Close the forward (main) bay access door.
(d)
Make sure that the DOOR MAIN message does not show on EICAS.
S 864-033
(5) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 52-71-01-404-060
12. Center Electronic Equipment Compartment Door Warning Switch Installation________________________________________________________________________ (Fig. 401)
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
IPC 52-71-01 Fig. 1
(3)
SSM 52-71-01
(4)
WDM 52-71-14
B.
Access
(1)
Location Zone 118 Electrical and Electronics Compartment, RH
(2)
Access Panel
125B Door - Electronics Access
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52-71-01
ALL ú ú 11 Page 423 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
C. Procedure
S 424-034
(1)
Install the warning switch for the center electronic equipment door (Fig. 401).
(a)
Assemble the switch in the mounting bracket as shown.
(b)
Install the mounting bracket.
(c)
Close and latch the door.
(d)
Make sure that the lockpin pushes the plunger at least 0.12 inch.
(e)
Connect the wiring to the switch.
S 864-035
(2)
Close these circuit breakers for the applicable EICAS system:
(a)
P7 Overhead Circuit Breaker Panel
1) 7F8 UPR EICAS
2) 7F9 EIU L
3) 7F10 EIU C
4) 7F14 LWR EICAS
5) 7F15 EIU R
S 864-036
(3)
Supply the electrical power (AMM 24-22-00/201).
S 724-037
(4)
Do a test of the door warning system on the center equipment compartment door.
(a)
Close the center electronic bay access door.
(b)
Make sure that the DOOR ELEC CTR message does not show on EICAS.
S 844-061
(5) Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
TASK 52-71-01-404-038
13. Switch Installation in the Forward and Aft Cargo Door Warning System____________________________________________________________________ (Fig. 403)
A. General
(1)
The door warning systems for the forward and aft cargo doors are the same. The steps in this task are for the forward or the aft cargo door.
B.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
IPC 52-34-09 Fig. 2
(3)
SSM 52-71-01
(4)
WDM 52-71-14
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
52-71-01
ALL ú ú 12 Page 424 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 艙門 DOORS 4(87)
