probst VZ-H-UNI-KV Instructions D'emploi page 48

Maintenance and care
6.2 Trouble shooting
ERROR
The clamping-power is not big
enough, the load is slipping out
(optional)
(optional)
(Adjustment of the opening width)
(optional)
(Pneumatics / Hydraulics)
(optional)
(Electrics) (optional)
(Property of material)
The clamping-power is fading
(Pneumatics / Hydraulics)
(optional)
Unbalanced load
(Adjustment of the gripping range)
(optional)
The gripping arms are not working
synchronous
(Rack gear adjustment) (optional)
(Pneumatics / Hydraulics) (optional)
6.3 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.
51600031-002
CAUSE
The grippers are worn
The maximum load is exceed
The actual opening width is not
correct
The working pressure is not big
enough
The electric motor is faulty.
The surface of the material is dirty or
the material is not suitable / allowed
for this device.
The system is not tight
The cylinder can not control the
pressure.
The valves are faulty.
Missing or not enough lubrication on
moving parts such as sliding guides,
racks gears and the like.
The device is not loaded
symmetrically
The adjustment of the gripping
rangeh is not symmetrical.
The rack gear adjustment is faulty
The dividing valve is faulty
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REPAIR
Replace the grippers
Reduce the weight of. the load
Adjust the opening width according to
the load you want to transport
Adjust the working pressure (see
technical data)
Check the electric motor
Check the surface of the material or
ask the manufacturer, if you the
material is allowed for this device.
Check all Connections , fittings, pipes
and hoses.
Check the seal kits of the cylinders
Check the valves
Lubricate / grease components
accordingly (see chapter
"Maintenance").
Adjust the position of the load
Correct the adjustment of the gripping
range
Check the rack gear adjustment and
repair it
Check the dividing valve
GB