ABB IRB 910INV Product Manual page 314

5 Repair
5.5.1 Replacing the inner arm
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Action
Use a handheld dynamometer hooking to the
special tool 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 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.
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Note
Used belt: 70-80N
New belt:100-110N
xx1900000094
Tightening torque: 3 Nm ±10%
xx1800002871
Used belt: 250-305Hz
New belt:296-378Hz
Product manual - IRB 910INV
3HAC068055-001 Revision: K