NoteAction
Release the brakes on axis-2 to allow the
lower arm to position according to the lift-
ing force applied from the overhead crane.
This eliminates any strain in the upper arm
shafts.
3
Remove the brake release from R2.MP2.4
xx1500002725
Remove grease and other contamination
from the axis-2 and axis-3 shaft ends and
around the KM nuts, on both sides.
5
Sleeve KM nut D=152 L=220: 3HAC038174-
067
xx1500002726
Use a Sleeve KM nut to release the torque
on one of the KM nuts.
Note
Do not remove this KM nut at this point.
Only release the torque.
6
xx1500002727
Use the Sleeve KM nut, open and remove
the KM nut on the other side.
Note
Make sure not to lose gamma sealing and
sealing ring.
7
Note
Continue the removal on the same side
until the shaft is removed completely.
Leave the other shaft fitted for now!
8
Continues on next page
Product manual - IRB 8700 269
3HAC052853-001 Revision: F
© Copyright 2015-2018 ABB. All rights reserved.
4 Repair
4.5.1 Replacing the upper arm
Continued
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