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A
747-400
MAINTENANCE MANUAL

 (b)
6H21, PROBE HEAT ENG 2

 (c)
6H23, PROBE HEAT ENG 3

 (d)
6H25, PROBE HEAT ENG 4

 (e)
6D30, PROBE HEAT PITOT L

 (f)
6D31, PROBE HEAT PITOT R

 (g)
6D32, PROBE HEAT AUX PITOT L

 (h)
6D33, PROBE HEAT AUX PITOT R

 (i)
6D28, PROBE HEAT TAT L

 (j)
6D29, PROBE HEAT TAT R

 (k)
6C33, AOA HEAT L

 (l)
6C34, AOA HEAT R

 S 865-031
 (3) Remove electrical power (AMM 24-22-00/201).
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747-400 FAULT ISOLATION/MAINT MANUAL
WINDOWS AND WINDSHIELD
COMPONENT  FIG. 102 SHT  QTY  ACCESS/AREA  AMM REFERENCE 
ARM - WIPER  2 2  FWD FUSELAGE  30-42-02 
CARD - (FIM 31-51-00/101) SIGNAL COLLECTION TAIL ID, YMXA17 BLADE - WIPER  2  2  FWD FUSELAGE  30-42-01 
CIRCUIT BREAKER - 1 FLT COMPT, P6 
WINDOW HEAT 1L, C1503 1  6B34  * 
WINDOW HEAT 1R, C1504  1  6B17  * 
WINDOW HEAT 2L&3R IND, C10105  1  6E29  * 
WINDOW HEAT 2L&3R PWR, C68  1  6E28  * 
WINDOW HEAT 2R&3L IND, C10104 1  6C31  * 
WINDOW HEAT 2R&3L PWR, C69 1  6C30  * 
WINDSHIELD WASH PUMP, C940 1  6B32  * 
CIRCUIT BREAKER - 1 FLT COMPT, P7 
WSHLD WASH, C54  1  7E26  * 
WSHLD WIPER L, C55 1  7E1  * 
WSHLD WIPER R, C56 1  7E25  * 
CIRCUIT BREAKER - 1  117AL, MAIN EQUIP CTR, P180 
WDO HEAT CONT 1L, C439 1  180H26  * 
COMPUTER - (FIM 45-10-00/101) R CENTRAL MAINTENANCE, M7374 L CENTRAL MAINTENANCE, M7373 WDO HEAT CONT 1R, C435 1  180H12  * 
CONTAINER - WINDSHIELD WASHER FLUID  3  1  FLT COMPT, LOWER L SIDEWALL 
FITTING - NOZZLE 2  2  FWD FUSELAGE  30-43-00 
GAUGE - PRESSURE  3  1  FLT COMPT, AFT CLOSET 
MODULE - ANTI-ICE/RAIN REMOVAL, M7321  1  1  FLT COMPT, P5  * 
MOTOR - L WINDSHIELD WIPER, M18  2  1  FWD FUSELAGE  30-42-03 
MOTOR - R WINDSHIELD WIPER, M17  2  1  FWD FUSELAGE  30-42-03 
NOZZLE - WSHLD WASH  2  2  FWD FUSELAGE  30-43-00 
PUMP - WINDSHIELD WASHER, M13 RELAY - (FIM 31-01-39/101) RELAY - (FIM 31-01-36/101) WDO 3R PWR DEMAND, R7344 WDO 3R CURRENT SENSE, R7340 WDO 2L PWR DEMAND, R7343 WDO 2L CURRENT SENSE, R7339 WDO 2L&3R PWR OFF, R7568 AIR/GROUND, R227 WDO 3L PWR DEMAND, R7341 WDO 3L CURRENT SENSE, R7337 WDO 2R PWR DEMAND, R7342 WDO 2R CURRENT SENSE, R7338 WDO 2R&3L PWR OFF, R7569 CMC ENABLE RELAY 3, R8055  3  1  FLT COMPT, LOWER L SIDEWALL  30-44-01 

* SEE THE WDM EQUIPMENT LIST
Windows and Windshield - Component Index
Figure 101 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G58240
A
747-400 FAULT ISOLATION/MAINT MANUAL
WINDOWS AND WINDSHIELD
COMPONENT  SHT 102 FIG.  QTY  ACCESS/AREA  REFERENCE AMM 
RESERVOIR - VISUAL  3  1 FLT COMPT, L AFT CLOSET 
SWITCH - WINDOW HEAT L, YMES12 1  1  FLT COMPT, P5, ANTI-ICE/RAIN REMOVAL MODULE, M7321  * 
SWITCH - WINDOW HEAT R, YMES13  1  1  FLT COMPT, P5, ANTI-ICE/RAIN REMOVAL MODULE, M7321  * 
SWITCH - WINDSHIELD WASHER L, YMES7  1  1  FLT COMPT, P5, ANTI-ICE/RAIN REMOVAL MODULE, M7321  * 
SWITCH - WINDSHIELD WASHER R, YMES8  1  1  FLT COMPT, P5, ANTI-ICE/RAIN REMOVAL MODULE, M7321 * 
　
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