ABB IRC5 Compact Operating Manual - Page 10

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1 Emergency safety information

1.2 Manually releasing the brakes

Overview

Make sure that any attempt to release a person trapped by the robot arm does not

further increase the risk of injury.

Releasing the robot holding brakes will make it possible to move the robot manually,

but only small robots are light enough to be moved by human force. Moving larger

robots may require using an overhead crane or similar. Make sure that the right

equipment is available before releasing the brakes.

Releasing a person trapped by the robot arm

Use this procedure to release a person trapped by the robot arm.

Continues on next page

WARNING

Before releasing the brakes, make sure that the weight of the arms does not

increase the pressure on the trapped person, further increasing any injury.

WARNING

To use the brake release unit or brake release tool, the brakes must have power

supply from the controller or an external power supply.

Action

Press any of the emergency stop buttons.

DANGER

When releasing the holding brakes, the

robot axes may move very quickly and

sometimes in unexpected ways.

Make sure that the weight of the arm does

not increase the pressure on the trapped

person, further increasing any injury.

Locate the brake release unit.

Some robots have a brake release tool.

This shall be stored close to the robot.

Release the holding brake on a particular

robot axis by pressing and holding the

corresponding button on the internal brake

release unit.

For robots with a brake release tool. Hold

the tool against the axis.

Move the robot so that the trapped person

is released.

Help the trapped person and make sure

he/she gets medical attention.

Info/illustration

The brake release unit is placed in the ro-

bot frame or base, or on the robot control-

ler. Depending on the robot model, the

placing can vary slightly. The brake release

unit is protected with a plate or clamp.

The brake will function again as soon as

the button is released, or brake release

tool is removed.

Operating manual - Emergency safety information

3HAC027098-001 Revision: S