Note
Action
xx1900000008
Install an M4x25 or longer adjustment screw to
the motor.
Note
Do not insert the entire screw to the hole.
5
Initial referenced force for used
belt: 13.58-14.84 N (for reference
only)
Use a handheld dynamometer hooking to the
screw and pull the dynamometer to reach the ini-
tial referenced force.
6
Initial referenced force for new belt:
19.4-21.2 N
xx1900000027
Tightening torque: 1.4 Nm
Secure the motor with the screws.
7
xx1800003290
Used belt: 151-162 Hz
Use a sonic tension meter to measure the timing
belt tension.
8
New belt: 167-213 Hz (for reference
only)
If the timing belt tension does not meet the require-
ment, loosen the motor screws and readjust.
9
Continues on next page
468
Product manual - CRB 1100
3HAC078007-001 Revision: J
© Copyright 2021-2023 ABB. All rights reserved.
5 Repair
5.6.2 Replacing the extender unit and wrist
Continued
Summary of Contents for CRB 1100
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