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General Components
All components of the Hydraulic Power Unit are mounted within a rugged but lightweight
frame. The components are mounted with consideration for easy access during operation,
maintenance and repair.
The Hydraulic Power Unit utilizes a pressure compensated hydraulic pump close-coupled
to an electric motor. When the Hydraulic Power Unit is in operation, it supplies a constant
pressure but varies the flow rate depending on the requirements of the FloorHand. Attached
to the end of the pump is a separate circulation pump, which constantly circulates tank oil
through the cooler and return filter.
Temperature control is factory set depending on the operating environment and the
requirements of the customer. Typically, for use with moderate to high ambient temperature
environments, a radiator type cooler with a thermostatically controlled fan is installed.
For use in cold weather environments, an anode type heater with integral thermostat is
installed.
Motor
The motor on the hydraulic power unit is a 40hp explosion proof motor. This power required
would be 50 amps, 480 volt, 3 phase. The motor provides 40hp at 60 Hz.
Hydraulics
The hydraulic system on the power unit has an operating flow of 2500 psi (175.81 kg/cm)
with a maximum operating pressure of 3,400 psi (239.10 kg/cm). The flow is 26 GPM or
98.42 LPM.
Tank
Capacity of the tank is 95 gallons. The power unit is equipped with a level sensing switch in
the reservoir. If the level gets too low, the switch will cause the hydraulic power unit to shut
off. Conventional petroleum based hydraulic fluid is usually specified but care should be
taken to ensure that it is compatible with the environment it will be operated in, particularly
the ambient temperature range.
Filters
Because of the vital importance of CLEAN, FILTERED HYDRAULIC OIL to the operation
and longevity of all components in the FloorHand System, the hydraulic power unit utilizes
suction strainers as well as pressure and return filters.
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