VII-6
February 2008
Legacy
VII-7
February 2008
Legacy
FLAPS
The flaps are electrically operated by a single electric two-way motor. The motor
drives a jack screw which in turn extends and retracts the flaps. The figure below
shows the flaps system in schematic form. The standard technique for establishing
“approach “ flaps is to time the application of the down flap power. Full up and full
down are determined by the setting of microswitches which deactivate the motor.
Power for the flap motor comes from the primary electrical buss. A flap electrical
schematic is shown on the next page.
Control
Switch
To Ground
Buss
To Positive buss
thrug 5A fuse or
Circuit Breaker
Flap Motor with
Limit Switch
Limit switch
Flaps Up
Actuator
Limit switch
Flaps Down
Flap Relays
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