Terex Genie S-80 J, Service And Repair Manual

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Service and Repair Manual June 2021
Turntable Rotation Components
74 S ® -80 J, S ® -80 J TraX ™ Part No. 1285307GT
3 Push the backlash pivot plate towards the
turntable as far as possible (this will push the
rotation gear into the turntable bearing ring
gear).
4 Loosen the lock nut on the adjustment bolt.
5 Turn the adjustment bolt clockwise until it
contacts the backlash pivot plate.
6 Turn the adjustment bolt 1/2 turn
counterclockwise. Tighten the lock nut on the
adjustment bolt.
7 Rotate the backlash pivot plate away from the
turntable until it contacts the adjustment bolt.
Then torque the mounting fasteners on the
backlash pivot plate to specification. Refer to
Specifications, Machine Torque
Specifications
.
8 Rotate the turntable through an entire
rotation. Check for tight spots that could
cause binding. Readjust if necessary.
8-2
How to Replace the Turntable
Angle Sensor
1 Push in the red Emergency Stop button to the
off position at both the ground and platform
controls and turn the key switch to the off
position.
2 Locate the turntable angle sensor behind the
function manifold.
3 Tag and disconnect the electrical connector
from the angle sensor.
4 Remove the retaining fasteners. Remove the
angle sensor from the machine.
5 Install the new angle sensor onto the
machine.
6 Securely connect the angle sensor harness to
the main harness.
7 Calibrate the angle sensor. Refer to Repair
Procedure, How to Calibrate the Turntable Tilt
Sensor
.