757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(124)

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 (a)  37E4, WINDOW HTR 3L
 S 868-021
 (13) For the No. 1 right (1R) window, remove the DO-NOT-CLOSE tag and close this circuit breaker on the P37 panel:
 (a)  37J2, WINDOW HTR 1R
 S 868-022
 (14) For the No. 2 right (2R) window, remove the DO-NOT-CLOSE tag and close this circuit breaker on the P70 panel:
 (a)  70A3, WINDOW HTR 2R
 S 868-024
 (15) For the No. 3 right (3R) window, remove the DO-NOT-CLOSE tag and close this circuit breaker on the P70 panel:
 (a)  70A4, WINDOW HTR 3R
 S 718-026
 (16) Do a test on the temperature control sensor connections:
 (a)  
Supply electrical power (AMM 24-22-00/201).

 (b)  
Push the BIT/VERIFY switch on the window heat control unit.

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757 MAINTENANCE MANUAL
 (c) (d)  Make sure the TEST COMPLETE light on the window heat control unit comes on after 5 seconds.Remove electrical power, if it is not necessary (AMM 24-22-00/201).

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757 MAINTENANCE MANUAL
 WINDOW HEAT CONTROL UNIT - REMOVAL/INSTALLATION
_______________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task is the removal of the heat control unit for the windows. The second task is the installation of the heat control unit for the windows.
 B.  The heat control unit, M191, for the left forward/right side window is on shelf 2 of the left forward equipment center rack, E1. The heat control unit, M192, for the right forward/left side window is on shelf 1 of E1. The removal/installation procedure is the same for the two heat control units.
 TASK 30-41-01-004-001
 2.  Remove the Heat Control Unit____________________________
 A.  References
 (1)  
AMM 06-41-00/201, Fuselage (Major Zones 100 and 200) Access Doors and Panels

 (2)  
AMM 20-10-01/401, E/E Rack Mounted Components

 (3)  
AMM 20-41-01/201, Electrostatic Sensitive Devices

 (4)  
AMM 24-22-00/201, Electrical Power - Control
　
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