ABB IRB 920 Product Manual page 742

5 Repair
5.7.1 Replacing the axis-1 motor sub-assembly
Continued
6
7
8
9
Refitting the pulley protection cover
1
Continues on next page
742
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 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
DANGER
Make sure that all supplies for electrical power,
hydraulic pressure, and air pressure are turned
off.
© Copyright 2022 ABB. All rights reserved.
Note
Used belt: 51.1
New belt:90
xx2100001043
Tightening torque: 2.8 Nm ±10%
xx2100001044
Used belt: 308
New belt:250
Note
Product manual - IRB 920
3HAC075721-001 Revision: C