ABB Robotics IRB 1520 Product Manual page 30

1 Safety
1.4 Installation and commissioning
Continued
Pneumatic or hydraulic related hazards
Loss of pressure in the robot system may cause parts or objects to drop.
Dump valves should be used in case of emergency.
Shot bolts should be used to prevent tools, etc., from falling due to gravity.
All pipes, hoses, and connections have to be inspected regularly for leaks and
damage. Damage must be repaired immediately.
Safety measures for arc welding
The following points should be observed:
Personal protective equipment
Use personal protective equipment, based on the risk assessment for the robot
system.
Do not wear loose-fitting garments or belts, bracelets, etc., that can become
entangled in the robot or positioner. Always use the prescribed personal protective
equipment.
Welding fumes and any gases formed or used when welding can be dangerous to
inhale.
Verify the safety functions
Before the robot system is put into operation, verify that the safety functions are
working as intended and that any remaining hazards identified in the risk
assessment are mitigated to an acceptable level.
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Note
The pressure in the complete pneumatic or hydraulic systems must be released
before service and maintenance.
All components in the robot system that remain pressurized after switching off
the power to the robot must be marked with clearly visible drain facilities and a
warning sign that indicates the hazard of stored energy.
• Consider the welding robot equipment as a single unit.
• Do not mix up the phase and grounding conductors when connecting the
equipment to the main supply.
• The workpiece, fixtures, and positioner are usually in direct contact with the
welding circuit, and should therefore be regarded as live.
• Do not touch live parts of the equipment with your bare hands or with damp
gloves.
• The welding circuit shall not be grounded without necessary measures being
taken to ensure proper functioning of the grounding conductor.
• The welding circuit must not be broken during the welding process.
WARNING
The welding wire is live during the welding process even before the arc is ignited.
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Product manual - IRB 1520
3HAC043435-001 Revision: L