Manually Releasing The Brakes - ABB IRB 6640 Product Manual

2.6.3. Manually releasing the brakes

General
This section details how to release the holding brakes of each axis motor.
Location of brake release unit
The internal brake release unit is located at the frame, as shown in the figure below.
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A
Releasing the brakes
The procedure below details how to release the holding brakes when the robot is equipped
with an internal brake release unit.
3HAC026876-001 Revision: F
Internal brake release unit with push buttons.
Action
1. The internal brake release unit is located on the frame
beside motor axis 1.
The internal brake release unit is equipped with six
buttons for controlling the axes brakes. The buttons are
numbered according to the numbers of the axes.
If the robot is not connected to the controller, power must
be supplied to the connector R1.MP according to the
section Supplying power to connector R1.MP on page
2.
DANGER!
When releasing the holding brakes, the robot axes may
move very quickly and sometimes in unexpected ways!
Make sure no personnel is near or beneath the robot arm!
3. Release the holding brake on a particular robot axis by
pressing the corresponding button on the internal brake
release unit.
The brake will function again as soon as the button is
released.
2 Installation and commissioning
2.6.3. Manually releasing the brakes
Note
72.
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