Section 4 • Repair Procedures
REV A
June 2007
Part No. 112657
GS-2668 RT • GS-3268 RT
4 - 67
FUEL AND HYDRAULIC TANKS
10-2
Hydraulic Tank
The primary functions of the hydraulic tank are to
cool, clean 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 performed must
be clean and free of debris that
could get into the hydraulic system
and cause severe component
damage. Dealer service is
recommended.
Note: When removing a hose assembly or fitting,
the O-ring on the fitting and/or hose must be
replaced and then torqued to specification during
installation. Refer to Section 2,
Hydraulic Hose and
Fitting Torque Specifications.
1 Raise the platform approximately 10 feet / 3 m.
2 Lift the safety arm, move it to the center of the
scissor arm and rotate down to a vertical
position.
3 Lower the platform onto the safety arm.
Crushing hazard. Keep hands
clear of the safety arm when
lowering the platform.
4 Remove the hose cover plate mounting
fasteners. Remove the cover.
5 Close the two hydraulic shutoff valves located
at the hydraulic tank.
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.
6 Open the hydraulic tank side cover.
7 Remove the drain plug from the hydraulic tank
and completely drain the tank into a container
of suitable capacity. Refer to Section 2,
Specifications.
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 squirt
or spray.
8 Tag and disconnect the two suction hoses from
the hydraulic tank.
9 Disconnect and plug the hydraulic hose at the
return filter. Cap the fitting on the filter.
10 Remove the tank strap retaining fasteners.
Remove the tank strap.
11 Remove the hydraulic tank from the machine.
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Summary of Contents for GS-2668 RT
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