User`s guide

148 Adept Cobra PLC600/PLC800 Robot User’s Guide, Rev C
8.2 Checking of Safety Systems
These tests should be done every six months.
1. Test the operation of:
• E-Stop button on Front Panel
• E-Stop button on MCP
• Enabling switch on MCP
• Auto/Manual switch on Front Panel
NOTE: Operating any of the above switches should disable High Power.
2. Test the operation of any external (user supplied) E-Stop buttons.
3. Test the operation of barrier interlocks, etc.
8.3 Checking Robot Mounting Bolts
Check the tightness of the base mounting bolts every 6 months. Tighten to 85 N•m
(63 ft-lb). Also check the tightness of all cover plate screws.
8.4 Check Robot for Oil Around Harmonic Drive
The Cobra PLC robots use oil in the harmonic drive components for lubrication. It is a
good idea to periodically inspect the robot for any signs of oil in areas outside of the
harmonic drive. Check these locations:
• the area around Joint 1
• the area around Joint 2
• inside the base of the robot, by opening the AIB chassis and inspecting internally.
Be sure to remove all power to the robot before opening the AIB chassis.
Contact Adept if you find any signs of oil in these areas.
8.5 Lubricate Joint 3 Ball Screw
Required Grease for the Robot
Ball Screw/Spline Assembly Grease
LG-2 Lubricating Grease
Lithium Soap, Synthetic Hydrocarbon
Adept part number: 90401-04029