Genie Z-45/22 Service Manual page 52

Section 4 - Scheduled Maintenance Procedures
TABLE C PROCEDURES
11 Manually rotate each steer wheel.
Result: Each steer wheel should rotate with
minimal effort.
12 Close the free wheel valve (clockwise).
Carefully remove the jack stands, lower the
machine and remove the jack.
Collision hazard. Failure to close
the free-wheel valve may result in
death or serious injury and
property damage.
C-4
Grease the Turntable Rotation
Bearing and Worm Drive Gear
Yearly application of lubrication to the turntable
bearing and worm drive gear is essential to good
machine performance and service life. Continued
use of an improperly greased gear will result in
component damage.
1 Raise the secondary boom and place a 4x4x31
(78cm) block between the chassis counter-
weight and the upper mid-pivot. Carefully lower
the secondary boom onto the block.
a
b
c
a upper mid-pivot
b 4x4x31 inch block
c counterweight
Crushing hazard. Keep hands
away from the block and all
moving parts when lowering the
secondary boom.
4 - 26
2 Raise the primary boom until the end of the
boom is approximately 7 feet (2m) off the
ground. Then shut off the engine.
3 Locate the grease fitting on the inside of the
bearing in the middle of the turntable.
4 Pump grease into the rotation bearing until you
see it coming out of the bearing seal gap.
Repeat this step with the platform in the
following locations.
· platform over the drive wheels
· platform over the left side
· platform over the drive wheels
· platform over the right side
5 Locate the grease fitting on the worm drive
housing.
6 Pump grease into the gear until you see it
coming out of the side of the gear housing.
Specification
Multipurpose grease
Genie Z-45/22
Service Manual - First Edition
Crushing hazard. Turn the key
switch to the off position and
remove the key while pumping
grease.
b
a grease fitting
b grease overflow
Part No. 29487
a