767 Wing & Engine Anti-Ice
by jerome meriweather
   

Up to Fuel
Left to APU
Right to Pressurization or EQUIP Cooloing
Down to Wipers

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Wing & Engine Anti-Ice Controls Wing Switch Wing Valve Lights Engine Switches & Lights

 

 

Engine Switches & Lights
Wing Valve Lights
Indicate that position of the associated wing Anti-Ice valve disagrees with the position of the Wing Anti-Ice switch.
Wing Switch
Opens both left and right Wing Anti-Ice valves in flight, allowing Pneumatic system air to flow to the three leading edge slats immediately outboard of the engine on each Wing.