(b)
Make sure the WING ANTI-ICE switch-light goes out.
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(c) Make sure the two wing anti-ice VALVE lights go out.
(5) S 864-013Push and release the L ENGINE ANTI-ICE switch-light and do the steps that follow: (a) Make sure the L ENGINE ANTI-ICE switch-light latches. (b) Make sure the L ENGINE ANTI-ICE switch-light comes on and shows ON. (c) Make sure the left engine anti-ice VALVE light comes on.
(6) S 864-014Push and release the R ENGINE ANTI-ICE switch-light and do the steps that follow: (a) Make sure the R ENGINE ANTI-ICE switch-light latches. (b) Make sure the R ENGINE ANTI-ICE switch-light comes on and shows ON. (c) Make sure the right engine anti-ice VALVE light comes on.
(7) S 864-015Push and release the two ENGINE ANTI-ICE switch-lights and do the steps that follow: (a) Make sure the two ENGINE ANTI-ICE switch-lights release. (b) Make sure the two ENGINE ANTI-ICE switch-lights go out. (c) Make sure the two engine anti-ice VALVE lights go out.
(8) S 864-018Put the switches to the OFF position if it is necessary.
(9) S 864-008Remove electrical power if it is not necessary (Ref 24-22-00).
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WING THERMAL ANTI-ICE VALVE - REMOVAL/INSTALLATION
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1. General
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A. This procedure contains two tasks. Ths first task is the removal of the Wing Thermal Anti-Ice Valve. The second task is the installation and a test of the Wing Thermal Anti-Ice Valve.
B. The wing TAI valves are on the wing thermal anti-icing ducts above the engine strut on each wing. The procedures are the same for the two valves.
TASK 30-11-02-004-001
2. Remove the Wing Thermal Anti-Ice Valve (Fig. 401)
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A. References
(1)
AMM 06-44-00/201, Wings (Major Zones 500 and 600) Access Doors and Panels
(2)
AMM 78-31-00/201, Thrust Reverser System
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