ABB IRB 5720 Product Manual page 362

5 Repair
5.8.3 Replacing the axis-3 motor
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4
5
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362
Action
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.MP3
connector.
3 Release the brakes by pressing the
button on the tool.
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.
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.
Remove two opposite attachment screws.
Use a bits extender in order to reach the
screws.
Fit guide pins in the opposite holes and
remove the remaining two screws.
Tip
Lubricate the guide pins with some grease
to make the motor slide better.
© Copyright 2022 ABB. All rights reserved.
Note
Brake release tool: 3HAC081310-001
User instructions are enclosed with the
tool.
xx2100000666
Bits extender: 3HAC12342-1
xx2100002153
Guide pin, M10x150: 3HAC15521-2
Always use guide pins in pairs.
xx2100002152
Product manual - IRB 5720
3HAC079195-001 Revision: A