SOUTHWORTH
ZLS SERIES — FLOOR HEIGHT LIFT TABLES
17
If the lift will not raise:
CAUTION !
Do not continue to hold the “up” button for
more than 2 or 3 seconds. You may damage
the pump.
WARNING!
Do not change the relief valve setting. This
valve has been included for the protection of
workers who install, use, or service the lift.
If it is ever necessary to repair or reset the
valve, contact Southworth Products Corp.
for instructions.
WARNING!
Do not disconnect the up limitswitch.
Instead, loosen the adjusting screw, and
change the position of the arm. If you do
disconnect the switch, when the lift platform
moves up, it may not stop at the correct
point. If the platform rises above the normal
stopping point, the frame of the unit may
be damaged. People working nearby may
be hurt.
CAUTION!
If cavitation is allowed to continue, the pump
may be damaged, and may have to be replaced.
If the lift elevates, but fails to hold a load:
WARNING!
Failure to insert the maintenance devices
may result in damage to the lift and severe
personal injury!
If the lift fails to lower:
WARNING!
Failure to insert the maintenance devices
may result in damage to the lift and severe
personal injury!
DANGER!
Do not try to adjust the flow control while
pressing the “down” button. If you try this,
the lift table may drop suddenly, and you
may be hurt.
TROUBLESHOOTING WARNINGS
All servicing 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 live electrical circuits safely and in accordance
with accepted practice.
For safety’s sake
, if in doubt, please contact your dealer or Southworth Products Corp.
Before servicing the lift,
read and understand this entire section and the section entitled “Operating
Instructions.”
WARNING!
Before working underneath the lift, always raise the lift and insert the maintenance devices, as
shown in Figure 1. Failure to do so may result in damage to the lift and severe personal injury!
