ABB Robotics IRB 1100 Product Manual page 446

5 Repair
5.7.5 Replacing the axis-5 motor
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Action
Install an M4x25 or longer adjustment screw to
the motor.
Note
Do not insert the entire screw to the hole.
Use a handheld tensiometer hooking to the screw
and pull the tensiometer to reach the initial refer-
enced force.
Secure the motor with the screws.
Use an acoustic tensiometer to measure the tim-
ing belt tension.
If the timing belt tension does not meet the require-
ment, loosen the motor screws and readjust.
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Note
xx1900000008
Initial referenced force for used
belt: 13.58-14.84 N (for reference
only)
Initial referenced force for new belt:
19.4-21.2 N
xx1900000027
Tightening torque: 1.4 Nm
xx1800003290
Used belt: 151-162 Hz
New belt: 167-213 Hz (for reference
only)
Product manual - IRB 1100
3HAC064992-001 Revision: C