SCHUNK SRU-plus Series - Product Does Not Move; Torque Is Diminishing

Troubleshooting
14.00 | SRU-plus 20 - 60 | Assembly and Operating Manual | en | 389443 57
7.4 Product does not move
Possible cause Corrective action
Component part defective. Replace component or send it to SCHUNK for
repair.
Have Schunk check the application.
Pressure drops below minimum. Check air supply.
}5.2.2 [/29]
Compressed air lines switched. Check compressed air lines.
Unused air connections open. Close unused air connections.
}5.2.2 [/29]
Both exhaust air throttle valves are closed. Open one exhaust air throttle valve.
Proximity switch defective or set incorrect. Adjust sensor or if necessary change sensor.
}5.5 [/44]
7.5 Torque is diminishing
Possible cause Corrective action
Compressed air can escape. Check seals, if necessary, disassemble the
product and replace seals.
}8.7 [/67]
Too much grease in the mechanical
movement space.
Clean and lubricate product.
}8 [/58]
Pressure drops below minimum. Check air supply.
}5.2.2 [/29]