probst AKZ-UNI-H, Operating Instructions Manual, Page: 60 / 144

Maintenance and care
56100101 24 / 27 GB
7.2 Trouble shooting
ERROR CAUSE REPAIR
The clamping-power is not big enough,
the load is slipping out
(optional) The grippers are worn Replace the grippers
(optional) The maximum load is exceed Reduce the weight of. the load
(Adjustment of the opening width)
(optional) The actual opening width is not correct Adjust the opening width according to
the load you want to transport
(Pneumatics / Hydraulics)
(optional) The working pressure is not big enough Adjust the working pressure (see
technical data)
(Electrics) (optional) The electric motor is faulty. Check the electric motor
(Property of material) The surface of the material is dirty or
the material is not suitable / allowed for
this device. Check the surface of the material or ask
the manufacturer, if you the material is
allowed for this device.
The clamping-power is fading
(Pneumatics / Hydraulics)
(optional) The system is not tight Check all Connections , fittings, pipes
and hoses.
The cylinder can not control the
pressure. Check the seal kits of the cylinders
The valves are faulty. Check the valves
Missing or not enough lubrication on
moving parts such as sliding guides,
racks gears and the like. Lubricate / grease components
accordingly (see chapter
"Maintenance").
Unbalanced load
The device is not loaded symmetrically Adjust the position of the load
(Adjustment of the gripping range)
(optional) The adjustment of the gripping rangeh
is not symmetrical. Correct the adjustment of the gripping
range
The gripping arms are not working
synchronous
(Rack gear adjustment) (optional) The rack gear adjustment is faulty Check the rack gear adjustment and
repair it
(Pneumatics / Hydraulics) (optional) The dividing valve is faulty Check the dividing valve
7.3 Repairs
Only persons with the appropriate knowledge and ability are allowed to repair the device.
Before the device is used again, it has to be checked by an expert.