Mechanical Operation and Maintenance Manual for ER20-1100 Industrial Robot
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Chapter 1 Safety
1.1 Instructions for safe operation
Before performing installation, operation, repair and maintenance, and overhaul, please
be sure to read this manual and other attached documents thoroughly to use this product
correctly. Please fully understand the equipment and safety information, and all precautions
before using this product. The following symbols in this manual indicate each own
importance.
Mishandling could cause death or serious injuries to the operator and highly dangerous
situations.
Mishandling could cause death or serious injuries to the operator.
Mishandling could cause minor injuries to the operator or property damage.
1.1.1 Safety precautions during adjustment, operation, maintenance, and
other Work
1). Operators must wear uniforms, helmets, safety shoes, and other protective wear.
2). Please be sure operators are not within the motion range of the robot when switching
on power.
3). Operation within the motion range of the robot must not be allowed until the power is
cut off.
4). Overhaul, repair and maintenance, and other work need to be performed in power-on
state by two persons. One maintains the gesture that enables to immediately press the
emergency stop button, while the other keeps precautious and quickly perform work within
the robot’s motion range. Besides, the evacuation path should be confirmed before operation.
5). The load on the wrist and arm must be controlled under the limit of carrying weight
and torque, or else abnormal movements may occur or mechanical components may be
