Brake Testing - ABB IRB 7600 Series Product Manual

1 Safety

1.2.3.4. Brake testing

1.2.3.4. Brake testing
When to test
During operation, the holding brake of each axis normally wears down. A test can be
performed to determine whether the brake can still perform its function.
How to test
The function of the holding brake of each axis motor may be checked as described below:
1. Run each manipulator axis to a position where the combined weight of the manipulator
2. Switch the motor to the MOTORS OFF position with the operating mode selector on the
3. Check that the axis maintains its position.
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arm and any load is maximized (max. static load).
controller.
If the manipulator does not change position as the motors are switched off, then the brake
function is adequate.
3HAC022033-001 Revision: K