Boeing 737-600 - Subtask 30-31-00-900-003; Task 30-31-00-040-801 - AOA Vane, Pitot, Elevator Pitot, Temperature Probes - Deactivation; Subtask 30-31-00-860-017

(a) Angle of Attack Sensor - Removal, TASK 34-21-05-000-801.
(b) Angle of Attack Sensor Installation, TASK 34-21-05-400-801.
SUBTASK 30-31-00-900-003
(4) If a TAT probe heater is defective, then you must replace the TAT probe. These are the tasks:
(a) Total Air Temperature Probe - Removal, TASK 34-21-06-000-801.
(b) Total Air Temperature Probe - Installation, TASK 34-21-06-400-801.
END OF TASK
TASK 30-31-00-040-801
3. AOA Vane, Pitot, Elevator Pitot, Temperature Probes - Deactivation
(Figure 30-31-00-990-801)
A. General
(1) This procedure removes electrical power to the AOA Vane, Pitot, Elevator Pitot, and
Temperature Probe 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 30-31-00-860-017
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
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-31-00
Page 202
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
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