Hydraulic Tank - Genie TZ-50 Servise Manual

November 2004
REV A
9-1

Hydraulic Tank

The primary functions of the hydraulic tank are to
cool and deaerate the hydraulic fluid during
operation. It 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.
When removing a hose assembly
or fitting, the fitting and/or hose
end must be torqued to
specification during installation.
Refer to Section 2, Hydraulic Hose
and Fitting Torque Specifications.
Perform this procedure with the
platform in the stowed position.
1 Disconnect the battery pack from the machine.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
Part No. 84577
Hydraulic Tank
2 Remove the drain plug from the hydraulic tank
and allow all of the oil from the tank to drain into
a suitable container. Refer to Section 2,
Specifications.
3 Tag and disconnect the return hard line from the
filter head. Remove the hard line from the
machine. Cap the fitting on the filter head.
4 Tag and disconnect the supply hard line from
the pump. Cap the fitting on the pump.
5 Remove the hydraulic tank retaining fasteners
and remove the hydraulic tank and supply hard
line from the machine.
a
b
c
Torque specifications
Hydraulic tank retaining fasteners, dry
Hydraulic tank retaining fasteners, lubricated 26 in-lbs
Genie TZ-50/30
Section 4 • Repair Procedures
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.
a hydraulic filter
b supply hard line (to pump)
c hydraulic tank
d return hard line (from filter)
d
35 in-lbs
4 Nm
2.9 Nm
4 - 41