Check The Free-Wheel Configuration - Genie ZX-135/70 Service Manual

August 2014
D-2
Check the Free-wheel
Configuration
Genie specifications require that this procedure be
performed every 1000 hours or annually,
whichever comes first.
Proper use of the free-wheel configuration is
essential to safe machine operation. The
free-wheel configuration is used primarily for
towing. A machine configured to free-wheel
without operator knowledge may cause death or
serious injury and property damage.
Collision hazard. Select a work
site that is firm and level.
Component damage hazard. If
the machine must be towed, do
not exceed 2 mph / 3.2 km/h.
1 Chock both of the wheels at the circle-end of
the machine to prevent the machine from
rolling.
2 Place a lifting jack of ample capacity
(35,000 lbs / 16000 kg) under each of the
steer yokes at the square-end of the machine.
3 Lift the wheels off the ground and place
blocks under the drive chassis for support.
4 Disengage the drive hubs by turning over the
drive hub disconnect caps on each wheel hub
at the square-end of the machine.
5 Manually rotate each wheel at the square-end
of the machine.
Result: Each wheel at the square-end of the
machine should rotate with minimum effort.
Part No. 218700
Checklist D Procedures
6 Re-engage the drive hubs by turning over the
drive hub disconnect caps. Rotate each wheel
to check for engagement. Lift the machine
and remove the blocks. Lower the machine.
7 Chock both of the wheels at the square-end of
the machine to prevent the machine from
rolling.
8 Place a lifting jack of ample capacity
(35,000 lbs / 16000 kg) under each of the
steer yokes at the circle-end of the machine.
9 Lift the wheels off the ground and place
blocks under the drive chassis for support.
10 Disengage the drive hubs by turning over the
drive hub disconnect caps on each wheel hub
at the circle-end of the machine.
1 brake disengaged position
2 brake engaged position
11 Manually rotate each wheel at the circle-end
of the machine.
Result: Each wheel at the circle-end of the
machine should rotate with minimum effort.
ZX-135/70
Service Manual
Collision hazard. Failure to
re-engage the drive hubs could
result in death or serious injury
and property damage.
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