ABB IRB 8700, Product Manual

Page: 377 / 750

Refitting the lower arm assembly - step 1
The lower arm assembly consists of the lower arm and the parallel arm.
Note Action
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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 Nm Secure the attached screws that secure the
lower arm to the axis-2 gearbox. 4
Continues on next page
Product manual - IRB 8700 377
3HAC052853-001 Revision: M
© Copyright 2015-2020 ABB. All rights reserved.
4 Repair
4.5.6 Replacing the complete lower arm
Continued