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Canopy Actuator Manual Drive Unit | Up
Aviation Structural Mechanic E1&C - How airplanes are built and how to maintain them | Next
Canopy unlatch thruster |
Figure 24.-Canopy actuator.
shaft assembly provides a mechanical link between
the drive unit and the canopy actuator. (See fig.
2-6.)
The canopy external manual drive receptacle
is mounted flush with the fuselage skin below the
left canopy sill. The drive receptacle is used to
operate the drive unit from outside the cockpit
with the aid of a 3/8-inch drive tool. (See fig. 2-7.)
Canopy Control Switches
Two canopy control switches are provided for
normal electrical operation of the canopy. The
external canopy control switch is located inside
the external electrical power receptacle door. (See
fig. 2-2.) The internal canopy control switch is
located in the cockpit under the right canopy sill.
(See fig. 2-1.)
Canopy Contractors
The two contractors for canopy up and down
are located on the forward bulkhead of the upper
equipment bay. The down contactor supplies
power to the close winding of the canopy actuator.
The canopy up contactor supplies power to the
open winding of the canopy actuator. (See fig.
2-4.)
Canopy Locked Switch
The canopy locked switch is located in the
upper equipment bay under the canopy actuator.
(See fig. 2-4.) When the switch plunger is
depressed by the actuator arm, an electrical signal
2-4
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