ABB OmniCore IRB 6740 Product Manual page 414

5 Repair
5.8.4 Replacing the axis-4 motor
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414
Action
Release the brakes on the motor with the brake
release tool.
1 Turn off the brake release tool.
2 Connect the tool to the motor power con-
nector (MP).
3 Release the brakes by turning on the brake
release tool and pressing the brake release
button on the tool.
The power for brake release is only applied
for 180 seconds after activation.
CAUTION
Releasing the brakes on the axis-4 motor may
cause axis-4 to move unexpectedly.
DANGER
Handling the tool incorrectly will cause serious
injury.
Read and follow enclosed user instructions for
the tool.
WARNING
Electrical damage to the motor may occur if 24V
is supplied to the motor connector for more than
30 seconds. Use the specified brake release tool
to eliminate the risk.
CAUTION
Whenever parting/mating motor and gearbox, the
gears may be damaged if excessive force is used.
Press the motor out of its position by using the
removal tools.
CAUTION
The weight of the motor is 12 kg
© Copyright 2023 ABB. All rights reserved.
Note
Brake release tool: 3HAC081310-
001
User instructions are enclosed with
the tool.
xx2100000666
Product manual - IRB 6740
3HAC085701-001 Revision: A