(Continued)
CAPT Electrical System Panel, P18-3
Row Col Number Name
D 5 C00525 HEATERS F/O PITOT
D 6 C00524 HEATERS AUX PITOT
E 1 C00224 WINDOW HEAT CONTROL LEFT FRONT AC
E 2 C00227 WINDOW HEAT CONTROL RIGHT SIDE AC
F/O Electrical System Panel, P6-11
Row Col Number Name
B 8 C00393 WINDOW HEAT POWER RIGHT SIDE
B 9 C00228 WINDOW HEAT POWER LEFT FRONT
F/O Electrical System Panel, P6-12
Row Col Number Name
B 8 C00394 WINDOW HEAT POWER RIGHT FRONT
B 9 C00392 WINDOW HEAT POWER LEFT SIDE
E. Control Cabin Window Heat -Tryout
NOTE: This tryout is to make sure the Control Cabin Window heat is in a zero energy state.
SUBTASK 30-41-00-210-007
(1) At the P5-9 Window/Pitot Heat Module do the following steps:
(a) Press the PROBE HEAT A switch to the ON position.
1) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE, and TEMP PROBE
lights on the Window and Pitot Heat Module remain ON.
(b) Press the PROBE HEAT A switch to the OFF position.
(c) Press the PROBE HEAT B switch to the ON position.
1) Make sure the CAPT PITOT, L ELEV PITOT, L ALPHA VANE, and TEMP PROBE
lights on the Window and Pitot Heat Module remain ON.
(d) Press the PROBE HEAT B switch to the OFF position.
(e) Press the four WINDOW HEAT switches to the ON position one at a time.
1) Make sure the corresponding ON light on the Window and Pitot Heat Module
remains OFF.
2) Make sure the corresponding OVERHEAT light turns ON.
(f) Press all four WINDOW HEAT switches on the Window and Pitot Heat Module to the OFF
position.
END OF TASK
TASK 30-41-00-440-801
3. Control Cabin Window Heat - Activation
(Figure 30-31-00-990-801)
A. General
(1) This procedure add electrical power to the Control Cabin Window Heat systems.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-00
Page 202
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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