Sumitomo Drive Technologies Cyclo 6000 - Brake Troubleshooting

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Cyclo® 6000 Operating and Maintenance Manual
Cyclo® 6000 Cyclo® 6000
Cyclo® 6000 Operating and Maintenance Manual
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9. TROUBLESHOOTING
Problem with the Brake Possible Causes Suggested Remedy
Gap Cannot Be Set To
Spec. Value
Brake lining wear is too great. Reduce the number of gap adjusting washers.
Brake Fails To Operate
Release lever still engaged. Disengage and lock lever in holder.
Improper adjustment after reassembly. Adjust again.
Brake Slips (Braking
Time Is Too Long)
Not wired tor fast action. Wire tor fast action.
Varistor failed. Replace Varistor.
Foreign matter entrapped in brake lining
Oil on lining surface.
Remove foreign matter and take preventive action. Wipe lining
surface with dry cloth.
Worn brake lining. Adjust brake gap or replace lining.
Uneven brake gap. Adjust evenly.
Excessive load. Decrease load or use larger brake.
Rotor fails to turn
Faulty electric circuit. Check circuit.
Blown fuse. Replace fuse.
Only single phase available from three
phase power supply.
Measure power supply voltage and check tor defective circuit.
Protective device has tripped. Eliminate cause and reset.
Damaged or burned motor winding. Repair or replace.
Rust on brake friction surface. Clean brake (lining).
Gap needs adjustment. Readjust gap.
Burned bearing. Replace.
Overload. Check and troubleshoot load and safety device.
Abnormal Noise
Foreign material inside the brakemotor. Check inside and remove.
Damaged bearing. Replace.
Worn brake lining. Adjust brake gap or replace lining.
Hub leaf spring is o or damaged. Replace.
Burned solenoid coil. Replace.
Damaged rectier. Replace.
Trouble Under Loaded
Condition
Voltage drop. Raise voltage to rated level.
Overload. Reduce the load or oversize the brakemotor.
Improper protective device setting. Adjust protective device.
9.3 Brake Troubleshooting
Notes
9. TROUBLESHOOTING