Genie Z-30/20N Service Manual page 70

April 2016
How to Bleed the Jib Boom
Rotator
Note: This procedure will require two people.
1 Turn the key switch to ground controls and pull
out the red Emergency Stop buttons to the on
position at both the ground and platform
controls.Connect a clear hose to the top bleed
valve. Place the other end of the hose in a
container to collect any drainage. Open the
top bleed valve, but do not remove it.
1 top bleed valve
2 clear hose
3 container
4 bottom bleed valve
2 Move and hold the function enable toggle
switch to either side and move and hold the jib
boom rotate toggle switch to the right for
approximately 5 seconds, then release it.
Repeat three times.
Crushing hazard. Keep hands
and head clear of the platform
pivot weldment during rotation.
3 Move and hold the function enable switch to
either side and move and hold the jib boom
rotate toggle switch to the left for
approximately 5 seconds, then release it.
Repeat three times.
Part No. 139378
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
Jib Boom Components
4 Fully rotate the jib boom to the left and
continue holding the jib boom rotate toggle
switch until air stops coming out of the bleed
valve. Immediately release the platform rotate
toggle switch and close the bleed valve.
Crushing hazard. Keep hands
and head clear of the platform
pivot weldment during rotation.
5 Rotate the jib boom to the right until the jib
boom is centered.
6 Connect the clear hose to the bottom bleed
valve and open the valve.
7 Rotate the jib boom to the right and continue
holding the platform rotate toggle switch until
air stops coming out of the bleed valve.
Crushing hazard. Keep hands
and head clear of the jib boom
during rotation.
8 Close the bleed valve and remove the hose.
9 Rotate the jib boom full left and right and
inspect the bleed valves for leaks.
Crushing hazard. Keep hands
and head clear of the platform
pivot weldment during rotation.
10 Turn the key switch to the off position and
clean up any hydraulic oil that may have
spilled.
Service Manual
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