Part No. 139378
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
3 - 25
Section 3 • Scheduled Maintenance Procedures
June 2011
REV A
D-3
Check the Turntable Rotation
Bearing Bolts
Note: 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 secondary boom lift cylinder.
Carefully lower the secondary boom onto the lift
cylinder safety chock.
Crushing hazard. Keep hands
away from the cylinder and all
moving parts when lowering the
secondary boom.
Note: A lift cylinder safety chock is available
through Genie Service Parts (Genie part no.
36555).
2 Confirm that each turntable mounting bolt is
torqued in sequence to specification. Refer to
Section 2,
Specifications.
Bolt torque sequence
CHECKLIST
D
PROCEDURES
3 Raise the secondary boom and remove the
safety chock. Lower the secondary boom to the
stowed position.
4 Open the latch on the battery packs and swing
them out to expose the turntable bearing bolt
access hole.
5 Confirm that each turntable bearing mounting
bolt is torqued in sequence to specification.
Refer to Section 2,
Specifications.
Bolt torque sequence
1
7
3
5
8
2
6
4
1
7
11
5
3
10
8
6
12
2
9
4
Summary of Contents for Z-30/20N
Page 1: ......
Page 148: ...6 46 June2011 Section 6 Schematics 6 45 Power Cable Wiring Diagram...
Page 149: ...6 47 Section 6 Schematics June2011 6 48 Drive Contactor Panel Wiring Diagram...
Page 152: ...6 50 June2011 Section 6 Schematics Manifold and Limit Switch Wiring Diagram 6 49...
Page 153: ...6 51 Section 6 Schematics June2011 6 52 LVI BCI Option Wiring Diagram...
Page 156: ...6 54 June2011 Section 6 Schematics 6 53 Charger Interlock Option...
Page 157: ...6 55 Section 6 Schematics June2011 6 56 CTE Option CE Models...
Page 160: ...6 58 June2011 Section 6 Schematics Hydraulic Schematic 6 57...