Maintenance Manual April 2018
Annual Maintenance Procedures
102 S
®
Booms • Z
®
Booms Part No. 1268489GT
A-2
Check the Turntable Rotation
Bearing Bolts
Genie specifications require that this procedure be
performed annually.
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
Note: Access to the upper and lower turntable
bearing bolts will vary depending on model.
1 S Booms, Z-45 XC and Z-45/25 (J) IC, DC,
Bi-Energy: Raise the (primary) boom and
place a safety chock on the lift cylinder rod.
Carefully lower the boom onto the lift cylinder
safety chock OR support the boom assembly
with a suitable lifting device.
All other Z Booms: Raise the secondary
boom and place a safety chock on the lift
cylinder rods. Carefully lower the boom onto
the lift cylinder safety chock OR support the
boom assembly with a suitable lifting device.
rd. 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 Turn the key switch to the off position.
3 Using a star pattern, confirm that each
turntable mounting bolt is torqued in sequence
to specification.
4 Raise the boom and remove the safety chock
OR lifting device.
5 Lower the boom to the stowed position.
6 Using a star pattern, confirm that each lower
bearing mounting bolt is torqued in sequence
to specification.
-60 DC/FE and Z-62
160 ft-lbs
-105 XC, SX-125 XC, SX-135 XC,
-135 and ZX-135
-11 SHC)
180 ft-lbs
-105 XC, SX-125 XC, SX-135 XC,
-135 and ZX-135
-10 SHC)
320 ft-lbs
-40, S-45
160 ft-lbs
-60, S-65, S-60X, S-60XC
-29677)
180 ft-lbs
-60 S-65, S-60X, S-60XC
(from serial number S6015A-29678)
160 ft-lbs
-150 and SX-180
455 ft-lbs
180 ft-lbs