3-22
GTH-2506 GTH-3007
Part No. 57.4400.9220GT
August 2018
Section 3 • Scheduled Maintenance Procedures
Checklist E Procedures
E-1
Test or Replace the Hydraulic
Oil
Genie specifications require that this procedure
be performed every 2000 hours or two years,
whichever comes first
Replacement or testing of the hydraulic oil is
essential for good machine performance and
service life. Dirty oil may cause the machine to
perform poorly and continued use may cause
component damage. Extremely dirty conditions
may require oil changes to be performed more
frequently. Refer to Section 2, Specifications.
NOTICE
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.
Before replacing the hydraulic oil, the oil may be
tested by an oil distributor for specific levels of
contamination to verify that changing the oil is
necessary. If the hydraulic oil is not replaced at the
two year inspection, test the oil quarterly.
Replace the oil when it fails the test.
1 Start the engine.
2 Raise the boom to the upper position.
3 Stop the engine.
4 Remove oil cap from top of hydraulic tank.
5 Using an approved hand-operated pump, drain
the hydraulic tank into a suitable container.
Refer to Section 2,
Specifications
.
CAUTION
Bodily injury hazard. Beware of
hot oil. Contact with hot oil may
cause severe burns.
6 Remove the drain plug.
7 Rinse out the inside of the tank using a mild
solvent.
8 Replace the suction filter screen placed inside
the tank.
9 Install the drain plug and securely tighten. Do
not over tighten.
10 Fill the tank with hydraulic oil until the fluid level
is in the center of the sight glass at the left side
of the tank, behind the cab.
11 Clean up any oil that may have spilled.
