Yamaha YK-X Series User Manual page 18

CHAPTER 1 Using the Robot Safely
(13) Use the following caution items when removing the Z-axis mo-
tor.
WARNING
The Z-axis will drop when the Z-axis motor is removed, possibly resulting in
injury.
• Turn off the controller and set a support stand under the Z-axis before re-
moving the motor.
• Use caution not to allow hands or body to be squeezed or crushed by moving
parts on the Z-axis or between the Z-axis and the installation base.
(14) Use the following caution during inspection of controller.
WARNING
• When you need to touch the terminals or connectors on the outside of the
controller during inspection, always first turn off the controller power switch
and also the power source in order to prevent possible electrical shock.
• Never touch any internal parts of the controller.
For precautions on handling the controller, refer to the "YAMAHA Robot Con-
troller User's Manual".
(15) Consult us for corrective action when the robot is damaged or
malfunction occurs.
WARNING
If any part of the robot is damaged or any malfunction occurs, continuous op-
eration may be very dangerous. Please consult YAMAHA dealer for corrective
action.
If the following damages or troubles exist
Damage to machine harness or robot cable
Damage to exterior of robot
Abnormal operation of robot
(positioning error, excessive vibration, etc.)
Z-axis brake trouble
(16) Use caution not to touch the high temperature motor or speed
reduction gear casing.
WARNING
The motor and speed reduction gear casing are extremely hot after automatic
operation, so burns may occur if these are touched. Before touching these
parts during inspections or servicing, turn off the controller, wait for a while and
check that the temperature has cooled.
Electrical shock, malfunction of robot
Flying outwards of damaged parts during robot
operation
Malfunction of robot
Dropping of load
1-6
These dangers can happen