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Presto Lifts
PDL Dock Lift Manual
6
Maintenance & Repair
High Voltage: Electrical service and installation must be performed by trained and/
or qualified personnel. Disconnect and lock out electrical supply before performing
any maintenance or repair.
Electric motors create sparks. Do not service the power unit in an area where
flammable gases may be present.
Never enter beneath the platform unless the machine is unloaded and secured
against lowering using the maintenance device. If unable to engage the
maintenance device the platform must be secured against lowering by other
See Section 6.1 Maintenance Device on page
All electrical components and the hydraulic power unit must be protected from wet
and/or dirty environments unless specifically configured for such environments.
Keep hands, feet, and loose clothing away from moving parts during operation.
Only trained, authorized and qualified personnel shall perform maintenance or
repair of this machine. Personnel repairing or maintaining this machine must read
and understand this manual.
Pressurized fluids can penetrate skin and cause severe injury or death. Always use
proper personal protective equipment when repaing or maintaining pressurized
systems. Relieve hydraulic system pressure before performing any maintenance
on the hydraulic system.
Pinch points and crush hazards exist when moving and transporting the machine.
Do not enter under any equipment while moving or transporting. Keep hands, feet,
and loose clothing away from moving equipment.
This machine must be installed on a solid, stable, level surface or machine will be
unstable and can lead to injury. Do not install on asphalt or other unstable surface.
Do not adjust the hydraulic pressure relief valve. This valve is pre-set, and
adjustment may cause the machine to fail.
