June 2021
Service and Repair Manual
Turntable Rotation Components
Part No. 1285307GT
S
®
-80 J, S
®
-80 J TraX
™
73
5 Remove the drive hub mounting bolts.
Carefully remove the drive hub assembly from
the machine.
Crushing hazard. The turntable
could rotate unexpectedly when
the rotation drive hub assembly
is removed if the turntable is not
secured with the turntable
rotation lock pin.
Crushing hazard. The turntable
rotation assembly could become
unbalanced and fall when
removed from the machine if not
properly supported by the
overhead crane.
When installing the drive hub assembly:
6 Install the drive hub. Torque the drive hub
mounting bolts to specification. Refer to
Specifications,
Machine Torque
Specifications
.
7 Adjust turntable rotation gear backlash. Refer
to Repair Procedure,
How to Adjust the
Turntable Rotation Gear Backlash
.
How to Adjust the Turntable Rotation Gear Backlash
How to Adjust the Turntable
Rotation Gear Backlash
The turntable rotation drive hub is mounted on an
adjustable plate that controls the gap between the
rotation motor pinion gear and the turntable
bearing ring gear.
Note: Perform this procedure with the boom
between the non-steer end tires and with the
machine on a firm and level surface.
1 Secure the turntable from rotating with the
turntable rotation lock pin.
Note: The turntable rotation lock pin is located next
to the boom rest pad.
2 Loosen the backlash pivot plate mounting
fasteners.
1 backlash pivot plate mounting bolts
2 adjustment bolt with lock nut
3 backlash pivot plate
Summary of Contents for Genie S-80 J
Page 69: ...June 2021 Service and Repair Manual Manifolds Part No 1285307GT S 80 J S 80 J TraX 57 ...
Page 71: ...June 2021 Service and Repair Manual Manifolds Part No 1285307GT S 80 J S 80 J TraX 59 ...
Page 78: ...Service and Repair Manual June 2021 Manifolds 66 S 80 J S 80 J TraX Part No 1285307GT ...
Page 121: ...June 2021 Service and Repair Manual 109 Electrical Schematic Generator Options ...
Page 124: ...Service and Repair Manual June 2021 112 Electrical Schematic Positive Air Shutdown ...
Page 125: ...June 2021 Service and Repair Manual 113 Electrical Schematic Turntable Controller ...
Page 128: ...Service and Repair Manual June 2021 116 Electrical Schematic Platform Controller ...
Page 129: ...June 2021 Service and Repair Manual 117 Electrical Schematic Kubota D1803 ...
Page 132: ...Service and Repair Manual June 2021 120 Electrical Schematic Deutz D2011 ...
Page 133: ...June 2021 Service and Repair Manual 121 Hydraulic Schematic ...
Page 135: ......