Yamaha YK120X User Manual

5-3

The following is an inspection list that must be performed every day before and
after operating the robot.

1) Turn off the controller.
2) Place a sign indicating the robot is being inspected, to keep others from

operating the controller switch.

3) Enter the safeguard enclosure and check the following points.

Machine harness
Robot cable
User cable and wiring

Check for scratches, dents and excessive bend and kinks. 
(If the machine harness or robot cable is damaged, contact YAMAHA 
dealer.)

Regulator, joints, air tube,
solenoid valve, air cylinder

Check air pressure.
Check for air leaks.
Check drain.
Check air filter for clogging or damage.

Robot exterior

Check for damage. (If a damage is found, contact YAMAHA dealer.)

1) Check that no one is inside the safeguard enclosure, and then turn on the

controller.

2) Place a sign indicating the robot is being inspected, to keep others from

operating the controller, programming unit or operation panel.

3) Check the following points from outside the safeguard enclosure.

Safeguard enclosure

Check if the safeguard enclosure is in place.
Check if emergency stop is triggered when the door is opened.
Check if warning labels are affixed at the entrance and clearly visible.

Emergency stop device

Press the emergency stop button to check if it works.

Robot movement

Check for abnormal movement and excessive vibration and noise. (If 
any abnormal symptom is found, contact YAMAHA dealer.)

Z-axis brake operation *1

Check if the brake works to stop the Z-axis from dropping more than 
3mm from the stationary point. (If any abnormal operation is found, 
contact YAMAHA dealer.)

*1 Visually check the Z-axis movement when you press the emergency stop

button from outside the safeguard enclosure and also when you turn off the
controller.