36
1-2E Pitch Axis
Pitch Motor: A motor gearbox combination mounted to the right pitch shaft. Physically
moves unit in pitch axis. A QD coupling, mechanically transmits torque from motor to the shaft.
Filled with gear lube at the buildup of the unit.
Pitch Brake: Mounted on the end of pitch drive motor integral to the unit. . It receives
220 VAC to the rectifier inside the enclosure. The coil is a 220 VDC unit. It has a manual release
lever.
Pitch Encoder: Is a 120 line encoder mounted to the motor shaft. Sends pitch position to
the computer via the interface board and motion control board.
Hydraulic motor, reservoir and pump combination, located inside right A-frame area.
Motor uses 220VAC to run, 115VAC or 220VAC solenoid depending on site electrical
configuration.
Gear Box
Pitch Motor
Pitch Encoder
Pitch Inverter
1-2
F Lift Axis
Hydraulic Reservoir
220
VAC Lowering solenoid
220VAC 1.5HP motor
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