Southworth Products
DDL Dock Lift Manual
DDL Dock Lift Manual
19
6.4 Replacement Parts
Southworth Products has carefully chosen the components in your lift to be the best available
for the purpose. Replacement parts should be identical to the original equipment. Southworth
Products will not be responsible for equipment failures resulting from the use of incorrect
replacement parts or from unauthorized modifications of the machine.
Southworth Products will gladly supply you with replacement parts for your Southworth Products
lift. With your order, please include the model number and the serial number of the lift. You
can find these numbers on the name plate, which is located on the crossbar at the base of the
cylinder(s). When you are ordering parts for a cylinder, also include the cylinder number. This is
stamped on the base of the cylinder housing.
To order replacement parts, please call the Parts Department. See Warranty & Contact
Information section. Parts are shipped subject to the following terms:
• FOB factory
• Returns only with the approval of our parts department.
• Payment net 30 days (except parts covered by warranty).
• Freight collect (except parts covered by warranty).
• The warranty for repair parts is 30 days from date of shipment.
Parts replaced under warranty are on a “charge-credit” basis. We will invoice you when we ship
the replacement part, then credit you when you return the worn or damaged part, and we verify
that it is covered by our warranty. Labor is not covered under warranty for Parts orders.
7. Troubleshooting
PROBLEM
POSSIBLE CAUSE
CHECK
Lift will not raise
Load too heavy
Make sure the load does not exceed the rated
capacity.
Power unit not receiving
power.
Verify that the power unit is receiving power.
See
Electrical Information Section.
Hand controls may be
malfunctioning or may not be
receiving power.
Verify that the controls are receiving power
and are functioning correctly.
See Electrical
Information Section.
Motor contactor may be
malfunctioning.
Verify motor contactor is functioning.
See
Electrical Information Section.
Motor may be turning in wrong
direction.
Swap any two phases of the motor power leads.
Hydraulic Fluid low
With lift in fully lowered position the fluid level
should be approximately 3/4” from the top of the
tank.
Lift has reached it upper limit. Upper limit switch may need to be adjusted
Motor voltage too low
Supply voltage must be ± 10% of the rated
voltage at the motor terminals.
Tank vent plugged
Make sure vent plug on hydraulic tank is
installed and not blocked.
