Omron SCARA R6Y-XC Series User Manual page 17

(10) Use caution on Z-axis movement when air supply is stopped. (2-axis
robots with air-driven Z-axis)
WARNING
THE Z-AXIS MAY SUDDENLY DROP WHEN THE AIR PRESSURE TO THE
Z-AXIS AIR CYLINDER SOLENOID VALVE IS REDUCED, CREATING A
HAZARDOUS SITUATION.
TURN OFF THE CONTROLLER AND PLACE A PROP OR SUPPORT
UNDER THE Z-AXIS BEFORE CUTTING OFF THE AIR SUPPLY.
(11) Use the following caution items when disassembling or replacing the
pneumatic equipment.
WARNING
AIR OR PARTS MAY FLY OUTWARDS IF PNEUMATIC EQUIPMENT IS
DISASSEMBLED OR PARTS REPLACED WHILE AIR IS STILL SUPPLIED.
• DO SERVICE WORK AFTER FIRST TURNING OFF THE CONTROLLER
AND REDUCING THE AIR PRESSURE.
• BEFORE REDUCING THE AIR PRESSURE, PLACE A SUPPORT STAND
UNDER THE Z-AXIS (2-AXIS ROBOTS WITH AIR DRIVEN Z-AXIS)
SINCE IT WILL DROP UNDER ITS OWN WEIGHT.
(12) Use the following caution items when removing the Z-axis motor.
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 REMOVING 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.
(13) 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 "OMRON Robot
Controller User's Manual".
CHAPTER 1 Using the Robot Safely
1-5