Replace The Drive Hub Oil; Replace The Hydraulic Tank Return Filter Element - Genie Z-30/20N Service Manual

April 2016
D-4

Replace the Drive Hub Oil

Genie specifications require that this procedure be
performed every 1000 hours or annually,
whichever comes first.
Replacing the drive hub oil is essential for good
machine performance and service life. Failure to
replace the drive hub oil at yearly intervals may
cause the machine to perform poorly and continued
use may result in component damage
1 Select the drive hub to be serviced. Drive the
machine until one of the two plugs is at the
lowest point.
2 Remove the plugs and drain the oil into a
suitable container.
3 Drive the machine until one of the two plugs is
at the highest point.
1 drive hub plugs
4 Fill the hub until the oil level is even with the
bottom of the lowest plug hole. Refer to
Specifications, Machine Specifications.
5 Repeat this procedure for each drive hub.
Part No. 139378
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
Checklist D Procedures
D-5
Replace the Hydraulic Tank
Return Filter Element
Note: Genie specifications require that this
procedure be performed every 1000 hours or
annually, whichever comes first. Perform this
procedure more often if dusty conditions exist.
Replacement of the hydraulic return filter element
is essential for good machine performance and
service life. A dirty or clogged filter element may
cause the machine to perform poorly and continued
use may cause component damage. Extremely
dirty conditions may require that the filter element
be replaced more often.
Bodily injury hazard. Beware of
hot oil. Contact with hot oil may
cause severe burns.
1 Locate the hydraulic return filter housing on
top of the hydraulic tank.
2 Clean the area around the oil filter housing cap
located on top of the reservoir.
3 Remove the cap from the housing.
4 Lift the handle on the filter element and rotate
the element counterclockwise to release the
element from the housing.
5 Remove the filter element from the filter
housing.
Service Manual
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