TASK 30-11-00-440-801
3. Wing Thermal Anti-Icing - Activation
(Figure 201)
A. General
(1) This task will activate the power to the wing thermal anti-ice systems.
B. Location Zones
Zone Area
212 Flight Compartment - Right
510 Subzone - Left Wing: Leading Edge, Fwd of Front Spar, Inbd of Strut and Nacelle
Gap Cover Area
520 Subzone - Left Wing: Leading Edge, Fwd of Front Spar, Outboard of Strut and
Nacelle Gap Cover Area
610 Subzone - Right Wing: Leading Edge, Forward of Front Spar, Inboard of Nacelle
Strut, Including Gap Cover Area
620 Subzone - Right Wing: Leading Edge, Forward of Front Spar, Outboard of Nacelle
Strut
C. Procedure
SUBTASK 30-11-00-440-001
(1) Remove the DO-NOT-OPERATE tags on the WING ANTI-ICE, ENG ANTI-ICE 1 and ENG
ANTI-ICE 2 switches on the engine and wing anti-ice control panel (P5-11).
SUBTASK 30-11-00-420-004
(2) Remove the safety tags and close these circuit breakers:
CAPT Electrical System Panel, P18-3
Row Col Number Name
A 1 C00146 ANTI-ICE & RAIN WING ANTI-ICE VALVE
A 6 C00148 ANTI-ICE & RAIN ENG 1 & WING CONT
A 7 C01001 ANTI-ICE & RAIN ENG 1 COWL AI VALVE
B 6 C00149 ANTI-ICE & RAIN ENGINE 2 CONTROL
B 7 C01002 ANTI-ICE & RAIN ENG 2 COWL AI VALVE
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-00
Page 204
D633A101-ILF Feb 15/2015
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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