Refitting the lower arm assembly - step 1
The lower arm assembly consists of the lower arm and the parallel arm.
NoteAction
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The hole pattern in gearboxes and robot is
arranged in three areas.
Find the hole pattern between lower arm
and axis-2 gearbox, as well as between
parallel arm and axis-3 gearbox. Make sure
that all reachable screw holes will match,
before securing any of the attachment
screws.
1
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Release the brakes on axis-2 and find the
hole pattern between lower arm and axis-
2 gearbox.
Tip
Use caution and rotate the small gear on
the axis-2 gearbox.
2
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Attach as many screws as possible with
the robot in this position.
Tip
Begin by fitting screws in the outer holes
in the outer ring of holes, to make sure the
hole pattern will match.
If needed, carefully turn the small gear in
the gearbox to find the hole pattern.
3
Tightening torque: 300 NmSecure the attached screws that secure the
lower arm to the axis-2 gearbox.
4
Continues on next page
390 Product manual - IRB 8700
3HAC052853-001 Revision: F
© Copyright 2015-2018 ABB. All rights reserved.
4 Repair
4.5.6 Replacing the complete lower arm
Continued
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