SCHUNK SWG 25, Assembly And Operating Manual

Page: 21 / 24

Trouble shooting
01.01|Ident.-Nr. 30074722|en 21
Trouble shooting
The module does not move?
Possible cause Corrective action
Base jaws jam in housing, possible cause:
bolting surface not sufficiently level.
Check the levelness of the bolting surface.
(

7.1, Page 14)
Loosen the mounting screws for the gripper
and actuate the gripper again.
Pressure drops below minimum. Check the air supply.
(

7.2, Page 15)
Compressed air lines switched Check compressed air lines.
Proximity switch defective or set incorrect. Repair the proximity switch.
Unused air connections not closed.
Close the unused air connections.
Flow control valve closed. Open the flow control valve.
Component is broken, e.g. through over-
loading
Replace component or send the module
with a repair order to SCHUNK. Ensure that
the module was only used within its defined
application parameters. If necessary, check
the application with the calculation program
for gripping modules (SSG).
Check, if the adapter plate has a step on the
side (only when mounting it from the side)
The module does not travel through the entire stroke?
Possible cause Corrective action
Dirt deposits between the housing and the
fingers
Clean the module and relubricate it.
(

9, Page 23)
Pressure drops below minimum. Check the air supply.
(

7.2, Page 15)
Mounting surface is not even enough Check the levelness of the bolting surface.
(

7.1, Page 14)
Components have become loose e.g.
through over-loading.
Send the module to SCHUNK with a repair
order.
8
8.1
8.2