12
Southworth Air Bag Lift Tables
TROUBLESHOOTING
All service should be done by qualified personnel. Qualified personnel should be able to read and
understand wiring and hydraulic diagrams. They should be able to troubleshoot circuits safely and in
accordance with accepted practice. FOR SAFETY’S SAKE, if in doubt, please contact your dealer or
Southworth Products Corporation Customer Service Department at (207) 878-0700 or (800) 743-1000.
Before servicing the lift, read and understand this entire section and the section entitled “Operating
Instructions.”
Before working on the lift be sure to insert any and all maintenance devices. Failure to do so may
result in damage to the machine and severe personal injury!
The lift fails to elevate:
1. The machine may be overloaded. Check the actual weight of the load. The rated capacity of the
machine is shown on the table skirt.
2. Check the air supply to see if it has enough pressure. Using an external lifting mechanism, such
as a crane or a fork lift. Raise the lift and insert the maintenance devices.
3. Check the lines in the airbag for leaks.
4. If the lift raises but does not raise completely, you may have to check the psi setting on the gauge
at the supply line.
The lift elevates, but fails to hold the load:
Before working on the lift, be sure to insert any and all maintenance devices. Failure to do so may
result in damage to the lift and severe personal injury!
1. The line going between the lift and the control, (if equipped) the relief valve or up/down control
valve may be leaking. Dirt on the valve seat will prevent the valve from closing fully. Contact the local
distributor or Southoworth Products for assistance.
The lift fails to lower:
Before working on the lift, be sure to insert any and all maintenance devices. Failure to do so may
result in damage to the lift and severe personal injury!
1. Be sure lever is connected and adjusted to actuate the down (exhaust) valve (if equipped).
2. Make sure nothign is blocking the lift from lowering.
If the steps listed above do not solve the problem,
please call the Customer Service Department at
Southworth Products Corp at (207) 878-0700
or (800) 743-1000.