Genie Z-30/20N Service Manual page 55

Service Manual
Checklist E Procedures
1 Close the two hydraulic tank shut-off valves at
the hydraulic tank.
open
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.
2 Place a suitable container under the hydraulic
tank. Refer to Section 2, Specifications.
3 Tag, disconnect and plug the hydraulic hose
from the hydraulic tank shutoff valve.
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.
4 Open the valve on the hydraulic tank and
completely drain the oil into a suitable
container.
Bodily injury hazard. Beware of
hot oil. Contact with hot oil may
cause severe burns.
42
closed
Z-30/20N • Z-30/20N RJ • Z-34/22 • Z-34/22N
5 ag, disconnect and plug the hydraulic hoses
from the hydraulic tank return filter housing.
Cap the fittings on the filter housing.
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.
Bodily injury hazard. Beware of
hot oil. Contact with hot oil may
cause severe burns.
6 Remove the hydraulic tank mounting
fasteners. Remove the hydraulic tank from the
machine.
7 Remove the tank lid retaining fasteners and
remove the lid and return filter assembly from
the tank.
8 Remove the suction strainer from the
hydraulic tank and clean it using a mild
solvent.
9 Rinse out the inside of the tank with a mild
solvent.
10 Install the suction strainer into the tank.
11 Install the lid and return filer assembly onto the
hydraulic tank.
April 2016
Part No. 139378