Genie S-80, Service Manual, Page: 152 / 353

Section 4 • Repair Procedures
4 - 62 S-80 • S-85 • S-80X Part No. 122985
February 2012
FUEL AND HYDRAULIC TANKS
9-2
Hydraulic Tank
The primary functions of the hydraulic tank are to
cool, clean and de-aerate the hydraulic fluid during
operation. The tank utilizes internal suction
strainers for the pump supply hoses and has an
external return filter equipped with a filter condition
indicator.
How to Remove the
Hydraulic Tank
Component damage hazard.
The work area and surfaces
where this procedure will be
performed must be clean and
free of debris that could get
into the hydraulic system.
Note: When removing a hose assembly or fitting,
the O-ring (if equipped) on the fitting and/or the
hose end must be replaced. All connections must
be torqued to specification during installation.
Refer to Section 2,
Hydraulic Hose and Fitting
Torque Specifications.
1 Remove the fuel tank. See 9-1, How to Remove
the Fuel Tank.
2 Close the two hydraulic tank valves located at
the hydraulic tank (if equipped).
Component damage hazard. The
engine must not be started with
the hydraulic tank shutoff valves in
the
CLOSED
position or component
damage will occur. If the tank
valves are closed, remove the key
from the key switch and tag the
machine to inform personnel of the
condition.
3 Remove the drain plug from the hydraulic tank
and completely drain the tank into a suitable
container. Refer to Section 2,
Specifications.
4 Tag, disconnect and plug the two suction hoses
that are attached to the hydraulic tank.
5 Tag and disconnect and plug the hose from the
return filter. Cap the fitting on the return filter
housing.
6 Tag and disconnect and plug the supply hose
for the auxiliary power unit. Cap the fitting on
the hydraulic tank.
open closed