ABB IRB 920 Product Manual page 593

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Reconnecting the connectors for axis-4 motor
1
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
Use a handheld dynamometer hooking to the strap
and pull the dynamometer to make the tension
falling in the allowed force range.
Note
During the measurement, make sure that all inter-
ferences that may affect the force are removed.
Pay attention to the force application direction.
Fasten the screws on the transmission module to
the recommended tightening torque.
Use a sonic tension meter to measure the timing
belt tension.
If the timing belt tension does not meet the require-
ment, loosen the motor screws and readjust.
Action
For robots with protection type Clean Room:
Clean the joints that have been opened and wipe
the parts free from particles with spirit on a lint
free. See Cut the paint or surface on the robot
before replacing parts on page 118
Note
After all repair work, wipe the Clean Room robot
free from particles with spirit on a lint free cloth.
© Copyright 2022 ABB. All rights reserved.
5.6.8 Replacing the axis-4 second timing belt
Note
Used belt: 100
New belt:240
xx2100001127
Tightening torque: 2.6 Nm ±10%
xx2100001087
Used belt: 202
New belt:180
Note
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5 Repair
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