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A
747-400
MAINTENANCE MANUAL
NO. 2 WINDOW SEE
No. 2 and 3 Window Installation
Figure 401 (Sheet 1)
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A
747-400
MAINTENANCE MANUAL
No. 2 and 3 Window Installation
Figure 401 (Sheet 2)
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A 747-400 MAINTENANCE MANUAL
STATION 340
THERMOSTAT SEE
6. NUT
SEALANT
NO. 2 AND 3 WINDOWS
BOLT INSTALLATION
B-B
YOU CAN INSTALL ONE OR MORE WASHERS TO KEEP THE SAME GRIP LENGTH.
No. 2 and No. 3 Window Installation Figure 401 (Sheet 3)
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MAINTENANCE MANUAL
WINDOW
3. RETAINING BOLT RETAINING NUT METAL WASHER RUBBER WASHER
RETAINING
SPRING
RUBBER
RING
THERMAL SEALANT
OVERHEAT
THERMOSTAT
THERMOSTAT RETAINING BRACKET
OVERHEAT THERMOSTAT WINDOW
(EXAMPLE NO. 2 AND 3 WINDOWS)
C
CONTROL THERMOSTAT SPRING RETAINER
CONTROL THERMOSTAT
CONTROL THERMOSTAT (EXAMPLE NO. 2 AND 3 WINDOWS)
D
Window No. 2 and 3 Installation
Figure 401 (Sheet 4)
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MAINTENANCE MANUAL
CRASH
PADS
AIR DISTRIBUTION DUCT (ONE PIECE)
INBD
NOTE:UNDERNEATH THE VERTICAL SIDEWALL LINING IS THE FIBERGLASS DRIPSHIELD.
Window No. 2 and 3 Installation Figure 401 (Sheet 5)
A80922
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A 747-400 MAINTENANCE MANUAL
(2) S 864-003Open these circuit breakers and attach DO-NOT-CLOSE tags: (a) P6 Main Power Distribution Panel 1) 6B17 WINDOW HEAT 1R 2) 6B34 WINDOW HEAT 1L 3) 6E28 WINDOW HEAT 2L & 3R PWR 4) 6E30 WINDOW HEAT 2R & 3L PWR (b) P180 DC Power Distribution Panel 1) 180H12 WDO HEAT CONT 1R 2) 180H26 WDO HEAT CONT 1L
(3) S 954-004Install the protective tape or the spray coating on the inner and the outer surfaces of the window.
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