Terex Genie S-80 HF Series, Service And Repair Manual

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October 2019 Service and Repair Manual
Fuel and Hydraulic Tanks
Part No. 1280490GT S ® -80 XC ™ • S ® -85 XC ™ • S ® - 80 HF • S ® -85 HF 81
9-2 H ydr aulic T ank 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 and cause severe
component damage. Dealer
service is recommended.
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.
1 Remove the fuel tank. Refer to Repair
Procedure, 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 shut-off
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.
open closed
3 Remove the drain plug from the hydraulic tank
and completely drain the tank into a container
of suitable capacity. Refer to Specifications,
Machine 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.
7 Support the hydraulic tank with 2 lifting straps.
Place one lifting strap at each end of the tank
and attach the lifting straps to an overhead
crane.
8 Remove the four fasteners securing the tank
to the chassis bulkhead.