ABB IRB 5720, Product Manual

Page: 481 / 610

Note Action
Brake release tool: 3HAC081310-001 Release the brakes on the motor with the
brake release tool.
1 Make sure the brake release tool is
turned off.
2 Connect the tool to the R2.MP2
connector.
3 Release the brakes by pressing the
button on the tool.
CAUTION
Releasing the brakes on the axis-2 motor
results in weight transfer of upper and
lower arm weight to the inserted lock screw
in the lower arm or to the attached lifting
accessories (whichever is used). If lifting
accessories are used, verify that the lifting
chains and roundslings are stretched by
raising the overhead crane, before releas-
ing 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
xx2000000468
Remove two opposite attachment screws.
Use a bits extender in order to reach the
screws. 4
Continues on next page
Product manual - IRB 5720 481
3HAC079195-001 Revision: A
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.9.2 Replacing the axis-2 gearbox
Continued