Southworth Products
DDL Dock Lift Manual
16
6.1 Maintenance Devices
To avoid death or serious injury:
• DO NOT enter beneath the platform until load has been removed and the machine is
secured against lowering using the supplied maintenance device(s).
• The supplied maintenance device(s) are designed to support the weight of
an UNLOADED machine only. Failure to remove the load before engaging
the maintenance devices may result in failure and allow the machine to fall
unexpectedly.
Before performing any maintenance or repair:
1. Remove any load on the platform of the machine.
2. Verify that all personnel and debris are clear of the work area.
3. Raise the lift to the fully raised position.
4. Engage maintenance device as shown in the diagram.
When engaged the maintenance device must rest on the underside of
the platform. Damage may occur if the maintenance device is resting on
the structural reinforcements. Maintenance device to be used on hinge
end of machine only.
5. Slowly lower the machine until the weight of the machine is supported by the maintenance
device(s). Continue to hold the down button for five to ten seconds after the platform stops
to relieve hydraulic system pressure.
6. Disconnect electrical supply and
lock out the machine to prevent
unintended actuation of the
machine.
7. After maintenance or repair is
complete, verify all tools, debris,
and personnel are clear of the area.
Clean up any spills. Re-energize the
machine.
8. Raise the machine to the fully raised
position.
9. Disengage the maintenance device
and stow the maintenance device.
10. Lower the machine to the fully
lowered position.
11. Test for proper operation.
RAISE THE PLATFORM TO THE FULLY
1.
RAISED POSITION
REMOVE THE MAINTENANCE DEVICE
2.
FROM THE STOWED POSITION AND
PLACE THE END OVER THE POST.
LOWER THE PLATFORM UNTIL
3.
RESTING ON THE MAINTENANCE
DEVICE. WHEN ENGAGED, THE
MAINTENANCE DEVICE MUST REST ON
THE UNDERSIDE OF THE PLATFORM.
DAMAGE MAY OCCUR IF
MAINTENANCE DEVICE IS RESTING ON
STRUCTURAL REINFORCEMENTS
MAINTENANCE DEVICE STOWED
POST
POST
MAINTENANCE DEVICE ENGAGED
WHEN ENGAGED, THE
MAINTENANCE DEVICE MUST
REST ON THE UNDERSIDE OF
THE PLATFORM. DAMAGE MAY
OCCUR IF MAINTENANCE
DEVICE IS RESTING ON
STRUCTURAL
REINFORCEMENTS
HINGE END
HINGE END
