Genie AWP Super Series Service Manual page 85

September 2016
3-5 H ydr aulic Power U nit
3-5
Hydraulic Power Unit
How to Remove the Hydraulic
Power Unit - AC Models
1 Fully lower the platform.
2 Turn the key switch off and disconnect the
power supply.
3 IWPS models: Pull the base lowering handle
to fully lower the base.
4 Remove the power unit cover.
5 Tag, disconnect and plug the hydraulic hoses.
Cap the fittings on the power unit.
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.
6 Tag and disconnect the electrical wiring from
the valve coil.
Part No. 38139
7
DC models: Tag and disconnect the electrical
wiring from the motor start solenoid.
Air models: Tag and disconnect the pneumatic
hoses from the power unit.
8
9
Note: If a new power unit is installed, the pressure
relief valve must be properly adjusted. See 3-6,
How to Adjust the Pressure Relief Valve.
AWP Super Series • IWP Super Series
Hydraulic Power Unit
Remove the cover from the junction box on the
motor. Tag and disconnect the electrical wiring
in the junction box. Loosen the squeeze
connector on the junction box and pull the
wiring out through the squeeze connector.
Support the hydraulic power unit with a lifting
device.
Remove the power unit mounting fasteners,
then remove the power unit from the machine.
Crushing hazard. The power unit
will fall unless it is properly
supported.
Service Manual
85