How To Adjust The Turntable Rotation Gear Backlash - Genie ZX-135/70 Service And Repair Manual

April 2018
How to Adj ust the Tur ntabl e R otati on Gear Backlas h
How to Adjust the Turntable
Rotation Gear Backlash
1 Secure the turntable from rotating with the
turntable rotation lock pin.
2 Remove the fixed turntable cover at the
ground controls side of the machine.
3 Loosen the backlash pivot plate mounting
bolts.
4 Push the backlash pivot plate towards the
turntable as far as possible (this will push the
rotation pinion gears into the turntable bearing
ring gear).
5 Loosen the lock nut on the adjustment bolt.
6 Turn the adjustment bolt clockwise until it
contacts the backlash pivot plate.
1 backlash pivot plate
2 adjustment bolt with lock nut
3 backlash pivot plate mounting bolts
Part No. 1279835GT
Turntable Rotation Components
7 Turn the adjustment bolt 1/2 to 3/4 turn
counterclockwise. Tighten the lock nut on the
adjustment bolt.
8 Pull the backlash pivot plate away from the
turntable until it contacts the adjustment bolt.
Then lubricate the mounting fasteners on the
backlash pivot plate and torque to
specification. Refer to Specifications, Machine
Torque Specifications.
9 Rotate the turntable through an entire rotation.
Check for tight spots that could cause binding.
Readjust if necessary.
ZX®-135/70
Service and Repair Manual
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