INSTR
WW ON LTS
WING ANTI-ICESWITCH LT
WING AND ENGINE ANTI-ICECONTROL PANEL LEGEND
ENGINE BLEED AIR
Wing Anti-Ice SchematicFigure 2
TO LEADINGEDGE ANTI-ICEDUCTS
VALVE
AIR
GROUND
AIR/GROUNDRELAY SYSTEM 2 12 SEC
GND SAFETY
TEST SAFETY TIME DELAY
RELAY
L/R ECS BLEED CONFIG L/R WING ANTI-ICE
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757 MAINTENANCE MANUAL
(3) With the WING ANTI-ICE switch on, the VALVE lights will be illuminated. Holding the test switch in the WING ANTI-ICE position will open the TAI valves. The VALVE lights will extinguish as long as test switch is held for a minimum of 12 seconds. A ground safety time delay relay automatically closes the TAI valves after 12 seconds to prevent duct overheating. Retesting can only be performed by releasing and holding the test switch.
C. Control
(1)
To place the system in operation, provide electrical power to the right main DC bus (AMM 24-22-00).
(2)
Pressurize pneumatic system (AMM 36-11-00).
(3)
Ensure that WING ANTI-ICE circuit breaker on overhead circuit breaker panel P11 is closed.
(4)
To operate the system on the ground, use the WING ANTI-ICE WINDOW/PROBE HEAT switch on right side panel P61. Holding the switch in the WING ANTI-ICE position will operate the system.
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30-11-00
ALL ú ú 02 Page 6 ú Jan 28/02
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757 FAULT ISOLATION/MAINT MANUAL
WING THERMAL ANTI-ICE SYSTEM
COMPONENT SHT 102 FIG. QTY ACCESS/AREA REFERENCE AMM
LEFT ECS BLEED CONFIGURATION, M10313 RIGHT ECS BLEED CONFIGURATION, M10312CARD - (FIM 36-10-00/101)
CIRCUIT BREAKER - FLT COMPT, P11 *
WING ANTI-ICE, C1132 -- 1 11C28, 11R20, 11C29 OR1
EICAS L, M10181 EICAS R, M10182COMPUTER - (FIM 31-41-00/101) 11D29
LIGHT - VALVE, L1 -- 1 FLT COMPT, P5, ANTI-ICE *
CONTROL PANEL, M10397
LIGHT - VALVE, L2 -- 1 FLT COMPT, P5, ANTI-ICE *
CONTROL PANEL, M10397
MODULE - -- MAIN EQUIP CTR, P37 PANEL
MISC TEST, M10398 PANEL - (FIM 30-32-00/101) GROUND SAFETY TIME DELAY, M10479 1 *
PANEL - ANTI-ICE CONTROL, M10397 -- 1 FLT COMPT, P5 30-11-01
RELAY - -- MAIN EQUIP CTR, P37 PANEL
AIR/GND SYS 2, K204 1 *
TEST SAFETY, K10403 1 *
RELAY - L WING DISAGREE, K1 -- 1 FLT COMPT, P5, ANTI-ICE *
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本文鏈接地址：757 AMM 飛機(jī)維護(hù)手冊(cè) 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(10)
