GROUND WING THERMAL ANTI-ICING SOLENOID VALVE - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) Ground Wing Thermal Anti-Icing Solenoid Valve Removal.
(2) Ground Wing Thermal Anti-Icing Solenoid Valve Installation.
TASK 30-11-12-000-801
2. Ground Wing Thermal Anti-Icing Solenoid Valve Removal
(Figure 401)
A. General
(1) This task gives instructions to remove the Ground Wing Thermal Anti-Icing Solenoid Valve.
B. References
Reference Title
78-31-00-010-801-F00 Open the Thrust Reverser (Selection) (P/B 201)
C. Location Zones
Zone Area
411 Engine 1 - Engine
421 Engine 2 - Engine
D. Prepare for the Removal
SUBTASK 30-11-12-860-001
(1) Open these circuit breakers and install safety tags:
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
SUBTASK 30-11-12-010-005
WARNING
DO THESE SPECIFIED TASKS IN THE CORRECT SEQUENCE BEFORE YOU
OPEN THE THRUST REVERSERS: RETRACT THE LEADING EDGE, DO THE
DEACTIVATION PROCEDURES FOR THE LEADING EDGE AND THE THRUST
REVERSERS (FOR GROUND MAINTENANCE), AND OPEN THE FAN COWL
PANELS. IF YOU DO NOT OBEY THE ABOVE SEQUENCE, INJURIES TO
PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(2) Do this task: Open the Thrust Reverser (Selection), TASK 78-31-00-010-801-F00.
E. Ground Wing Thermal Anti-Icing Solenoid Valve Removal
SUBTASK 30-11-12-020-001
(1) Remove the electrical connector [5].
SUBTASK 30-11-12-020-002
(2) Remove the tube [4].
SUBTASK 30-11-12-020-003
(3) Remove the union [3] and discard the seal [2].
SUBTASK 30-11-12-020-004
(4) Remove the bolts [6].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-12
Page 401
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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