CONTROL CABIN WINDOW HEAT - MAINTENANCE PRACTICES
1. General
A. This procedure has these tasks:
(1) Control Cabin Window Heat Deactivation.
(2) Control Cabin Window Heat Activation.
TASK 30-41-00-040-801
2. Control Cabin Window Heat - Deactivation
Figure 30-31-00-990-801
A. General
(1) This procedure removes electrical power to the Control Cabin Window Heat systems.
B. References
Reference Title
30-31-00-990-801 Figure: Window/Pitot Heat Module (P/B 501)
C. Location Zones
Zone Area
113 Area Above and Outboard of Nose Landing Gear Wheel Well - Left
114 Area Above and Outboard of Nose Landing Gear Wheel Well - Right
211 Flight Compartment - Left
212 Flight Compartment - Right
323 Vertical Fin - Front Spar To Rear Spar
324 Vertical Fin - Rear Spar To Trailing Edge
D. Procedure
SUBTASK 30-41-00-860-018
WARNING
DO NOT TOUCH THE AIR DATA SENSORS. THE SENSORS CAN GET VERY
HOT. THE SENSORS CAN BURN YOU.
CAUTION
REMOVE ALL CAPS AND COVERS FROM ALL AIR DATA SENSORS. THE
SENSORS BECOME HOT. THIS CAN CAUSE DAMAGE TO THE COVERS.
(1) Open these circuit breakers and install safety tags:
CAPT Electrical System Panel, P18-3
Row Col Number Name
C 1 C00523 HEATERS CAPT PITOT
C 2 C00238 HEATERS TEMP PROBE
C 3 C01072 HEATERS ALPHA VANE LEFT
C 4 C00236 HEATERS ELEV PITOT LEFT
D 1 C00226 WINDOW HEAT CONTROL RIGHT FRONT AC
D 2 C00225 WINDOW HEAT CONTROL LEFT SIDE AC
D 3 C01071 HEATERS ALPHA VANE RIGHT
D 4 C00237 HEATERS ELEV PITOT RIGHT
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-00
Page 201
D633A101-ILF Oct 15/2017
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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