August 2021 Service and Repair Manual
Hydraulic Tank
Part No. 1309020GT GS
â„¢
-30m • 32m • 30 • 32 • 46 • 55 43
3-1
Hydraulic Tank
The primary functions of the hydraulic tank are to
cool and deaerate the hydraulic fluid during
operation. It utilizes internal suction strainers for
the pump supply lines and has an external return
line filter.
How to Remove the Hydraulic
Tank
Component damage hazard.
The work area and surfaces
where this procedure will be
p
erformed 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 hose
end must be replaced. All connections must be
torqued to specification during installation. Refer to
Specifications, Hydraulic Hose and Fitting Torque
Specifications.
Note: Perform this procedure on a firm, level
surface with the machine in the stowed position.
Models with electric drive
Note: Does not include GS-4655.
1 Disconnect the battery pack from the
machine.
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
2 Tag, disconnect and plug the hydraulic hoses
from the function manifold. Cap the fittings.
3 Tag and disconnect the electrical wires from
the function manifold.
4 Remove the tank/pump/manifold assembly
fasteners and remove the assembly from the
machine.
5 Remove the hydraulic tank retaining fasteners
and remove the hydraulic tank from the pump
assembly.
Bodily injury hazard. Spraying
hydraulic oil can penetrate and
burn skin. Loosen hydraulic
connections very slowly to allow
the oil pressure to dissipate
gradually. Do not allow oil to
sq
uirt or spray.
6 Remove the hydraulic tank cap and drain the
tank into a suitable container.
Hydraulic retaining fasteners, dry
26 in-
Hydraulic retaining fasteners, lubricated
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