Troubleshooting
08.00 | MPG-plus | Assembly and operating manual | en | 0389216
39
6 Troubleshooting
6.1 Product is not moving
Possible cause Corrective action
Base jaws jam in housing, possible cause:
bolting surface not sufficiently level.
Check the flatness of the mounting surface.
Mechanical connection [
}
20]
Loosen the mounting screws of the product
and actuate the product again.
Pressure drops below minimum. Check air supply.
Pneumatic connection [
}
22]
Compressed air lines switched. Check compressed air lines.
Pneumatic connection [
}
22]
Proximity switch defective or set incorrect. Readjust or change sensor.
Unused air connections open. Close unused air connections.
Flow control valve closed. Open the flow control valve.
Component part defective. Replace component or send it to SCHUNK
for repair.
6.2 The product is not executing the complete stroke
Possible cause Corrective action
Dirt deposits between cover and piston. Clean and if necessary re-lubricate.
Maintenance [
}
41]
Dirt deposits between basic jaws and guid-
ance.
Disassemble and clean the product.
Pressure drops below minimum. Check air supply.
Pneumatic connection [
}
22]
Mounting surface is not sufficiently flat. Check the flatness of the mounting surface.
Mechanical connection [
}
20]
Component part defective. Replace component or send it to SCHUNK
for repair.
6.3 Product is opening or closing abruptly
Possible cause Corrective action
Too little grease in the mechanical guiding
areas.
Clean and lubricate product.
Maintenance [
}
41]
Compressed air lines blocked. Check compressed air lines of damage.
Mounting surface is not sufficiently flat. Check the flatness of the mounting surface.