How To Remove The Hydraulic Power Unit - Ac Models; How To Remove The Hydraulic Power Unit - Dc Models - Genie DPL-25S Service Manual

Section 7 - Repair Procedures
HYDRAULIC POWER UNITS
3-3
How to Remove the Hydraulic
Power Unit - AC Models
1 Fully lower the platform, turn the machine off,
remove the key and disconnect the power
source.
2 Remove the base cover from the power unit.
3 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.
4 Tag and disconnect the electrical wiring from
the valve coil.
Electrocution/burn hazard. Contact
with electrically charged circuits
may result in death or serious
injury. Remove all rings, watches
and other jewelry.
5 Support the hydraulic power unit with a lifting
device.
6 Remove the power unit mounting fasteners.
7 Remove the cover from the junction box on the
motor. Then 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.
8 Remove the power unit from the machine
Crushing hazard. The power unit
will fall unless it is properly
supported.
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.
7 - 10 DPL-25S • DPL-30S • DPL-35S Super Series
3-4
How to Remove the Hydraulic
Power Unit - DC Models
1 Fully lower the platform, turn the machine off,
remove the key and disconnect the power
source.
2 Remove the base cover from the power unit.
3 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.
4 Tag and disconnect the electrical wiring from
the valve coil.
Electrocution hazard. Contact with
electrically charged circuits may
result in death or serious injury.
Remove all rings, watches and
other jewelry.
5 Tag and disconnect the electrical wiring from
the motor start solenoid.
6 Support the hydraulic power unit with a lifting
device.
7 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.
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.
September 2016
Part No. 40462