NoteAction
Motor orientation: orient the motor
according to the figure below, in
regard to the encircled motor con-
nector.
xx2000001618
Orient the motor correctly and fit it into the lower
arm.
5
Screw: M4x16 12.9 Lafre
2C2B/FC6.9 (4 pcs)
xx2000001616
Refit the screws and washers.
Note
Do not tighten the screws yet.
6
Refitting the axis-3 timing belt
NoteAction
For robots with protection type Clean Room:1
Clean the joints that have been opened and wipe
the parts free from particles with spirit on a lint
free.
xx2000001615
Install the timing belt to the pulleys and verify that
the belt runs correctly in the grooves of the pul-
leys.
2
Used belt: 73.4-78.5 HzMove the motor to achieve proper belt tension.3
New belt: 87.8-92.1 Hz
Use a sonic tension meter to measure the timing
belt tension.
4
If the timing belt tension does not meet the require-
ment, loosen the motor screws and readjust.
Continues on next page
Product manual - IRB 1300 341
3HAC070390-001 Revision: G
© Copyright 2020-2022 ABB. All rights reserved.
5 Repair
5.5.1 Replacing the lower arm
Continued
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