Check The Turntable Rotation Bearing Bolts - Genie Z-30/20N Service Manual

Service Manual
Checklist D Procedures
D-3
Check the Turntable Rotation
Bearing Bolts
Genie specifications require that this procedure be
performed every 1000 hours or annually,
whichever comes first.
Maintaining proper torque on the turntable bearing
bolts is essential to safe machine operation.
Improper bolt torque could result in an unsafe
operating condition and component damage
1 Raise the secondary boom and place a safety
chock on the lift cylinder rods. Carefully lower
the boom onto the lift cylinder safety chock.
Crushing hazard. Keep hands
away from the cylinder and all
moving parts when lowering the
boom.
Note: The lift cylinder safety chock is available
through Genie Parts Department.
2 Confirm that each turntable mounting bolt is
torqued in sequence to specification. Refer to
Specifications, Machine Torque
Specifications.
Bolt torque sequence
38
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
3 Raise the secondary boom and remove the
safety chocks.
4 Lower the boom to the stowed position.
5 Open the latch on the battery packs and swing
them out to expose the turntable bearing bolt
access hole.
6 Torque the lower bearing mounting bolts
under the drive chassis in sequence to
specification. Refer to Specifications, Machine
Torque Specifications.
Bolt torque sequence
April 2016
Part No. 139378