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1. Safety
1-21
1.9. Safety Precautions for Maintenance and Repair
1.9.1. Safety Precautions for Hi4a Controller Maintenance and
Repair
(1) Maintenance and repair of the robot must be performed by the personnel who
was duly trained in the special maintenance training course and has a good
knowledge of maintenance.
(2) Perform your work following the maintenance procedures for controller.
(3) Perform your maintenance and repair in a safe way by securing emergency
exit or safe place.
(4) Before the daily maintenance, repair, or changing parts, be sure to power
down. In addition, post a warning sign [Do Not Input Power] up the primary
power so that other operators may not input power by accident..
(5) When changing parts, be sure to use the specified ones.
(6) Be sure to power down when opening the Hi4a controller door.
(7) Before performing, wait for three minutes after power down.
(8) Do not touch the heat sink and regeneration resistor of servo amp because
they generate an intense heat.
(9) After completing maintenance, Be sure to close the door completely after
checking if tools or other things are still remained in the Hi4a controller.