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4 Repair
4.4.4 Replacement of complete lower arm
Continued
3
4
5
6
7
8
9
Continues on next page
264
Action
Fit two guidings in the attachment holes of the
lower arm.
Fit the new sealing, axis 2/3 on the guidings.
Apply the lifting tool to the lower arm.
CAUTION
The lower arm weighs 160 kg! All lifting equip-
ment used must be sized accordingly!
Lift the lower arm and move it to its mounting
position.
In case the hole pattern of the lower arm and
the gearbox axis 2 does not match, use power
supply to release the motor axis 2 brakes and
rotate the pinion and gear with the rotational
tool.
Disconnect the power supply, if used.
© Copyright 2004-2022 ABB. All rights reserved.
Note
Art. no. is specified in
Required equip-
ment on page
259.
xx0300000548
A: Attachment holes for the two guid-
ings
Always use a new sealing when reas-
sembling!
Art. no. is specified in
Required equip-
ment on page
259.
Art. no. is specified in
Required equip-
ment on page
259.
Connect power supply to connector
R2.MP2
•
+: pin 2
•
-: pin 5
xx0200000165
The rotation tool (A) is used beneath
the motor cover, directly on the motor
shaft as shown in figure above.
Art. no. is specified in
Required equip-
ment on page
259.
Product manual - IRB 6650S
3HAC020993-001 Revision: AG
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