ABB IRB 6730, Product Manual, Page: 556 / 660

Note Action
Brake release tool: 3HAC081310-001 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
connector (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 activa-
tion.
CAUTION
Releasing the brakes on the axis-3 motor
results in weight transfer of upper arm
weight. Verify that the upper arm rests
against the mechanical stop or installed
lifting accessories, before releasing the
brakes.
3
User instructions are enclosed with the
tool.
xx2100000666
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 spe-
cified brake release tool to eliminate the
risk.
Bits extender: 3HAC12342-1 Remove the two lower screws. 4
xx2300000045
Use a bits extender in order to reach the
screws.
Continues on next page
556 Product manual - IRB 6730
3HAC085699-001 Revision: B
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.9.3 Replacing the axis-3 gearbox
Continued