Trouble shooting
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02.00|WDB 99 |en
Trouble shooting
The quick-change system no longer clamps properly on the
change components
Possible cause
Remedial measures
Clamping screw stiff
Replace clamping screw (spare part scope of
delivery)
Drive hexagon socket on the clamping
screw defective
Replace clamping screw (spare part scope of
delivery)
Connection point remains loose
Check clamping screw for wear and replace if
necessary (spare part scope of delivery) check
that connecting shaft is installed in the correct
position
Connection point is stiff
Clean connection interface and put it into
operation
Flat work surface between the modules
not achieved
Clean component at the contact surfaces.
Assess sealing elements and replace if
necessary
The clamping area on the quick-change pallet system or
pneumatic compensation module does not unlock
Possible cause
Remedial measures
Defective air connections
Check air supply (
Defective sealing elements for air routing Replace sealing elements at the affected
change components
Pressure below minimum
Check operating pressure (min. 5 bar)
A component is broken (e.g. due to over-
loading)
Replace the module or send it to SCHUNK for
repair
Compressed air loss in a quick-change
interface connection
Tighten change interface with torque
Excess tensile load on clamping pins
Reduce support weight
Clamping pins locked
Observe direction of rotation for unlocking on
the manual direct clamping module
The clamping area on the quick-change pallet system or
pneumatic compensation module does not unlock properly
Possible cause
Remedial measures
Pressure below minimum
Check operating pressure (min. 5 bar)
Defective sealing elements for air routing Replace sealing elements at the affected
change components
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