C. Removal Procedure
S 864-002
(1) Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B18, WARN ELEX B
(b)
11J33, WARN ELEX A
S 914-095
CAUTION: DO NOT TOUCH THE WEU BEFORE YOU DO THE PROCEDURE FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE WEU.
(2)
Before you touch the WEU, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
(3)
Remove the four fasteners that attach the WEU, P51, to the airplane.
(4)
Carefully pull the WEU out to get access to the rear panel.
(5)
Remove the twelve fasteners from the rear panel of the WEU.
S 014-086
S 014-087
S 014-088
ú
31-51-01
ALL ú ú 01 Page 401 ú Mar 20/94
A
757
MAINTENANCE MANUAL
EMI Filter Module Installation
Figure 401
E06324
ú
31-51-01
ALL ú ú 01 Page 402 ú Mar 20/94
A
757
MAINTENANCE MANUAL
S 014-089
(6)
Remove the rear panel from the WEU.
S 024-005
(7)
Remove the EMI filter module:
(a)
Remove the three fasteners that attach the filter plate to the WEU.
(b)
Remove the two fasteners that attach the EMI filter module to the filter plate.
(c)
Remove the EMI filter module from the filter plate.
TASK 31-51-01-404-006
3. EMI Filter Module Installation (Fig. 401)
______________________________
A. References
(1)
AMM 20-41-01/201, Electrostatic Sensitive Devices
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 27-32-00/501, Stall Warning System
(4)
AMM 31-51-04/401, Warning Electronics Unit (WEU) Card Modules
B. Access
(1) Location Zones
119/120 Main Equipment Center
211/212 Flight Compartment
C. Installation Procedure
S 864-008
(1) Make sure that these P11 panel circuit breakers are open:
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 仪表 CHAPTER 31 - INSTRUMENTS 2(134)
