ABB CRB 1100 Product Manual page 647

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Product manual - CRB 1100
3HAC078007-001 Revision: J
Action
Install an M4x25 or longer adjustment screw to
the motor.
Note
Do not insert the entire screw to the hole.
Use a handheld dynamometer hooking to the
screw and pull the dynamometer to reach the ini-
tial referenced force.
Secure the motor with the screws.
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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5.8.4 Replacing the axis-4 gearbox
Note
xx1900000007
Initial referenced force for used
belt: 8.96-9.8 N (for reference only)
Initial referenced force for new belt:
12.8-14
xx1900000026
Tightening torque: 1.4 Nm
xx1800002995
Used belt: 81.3-86.9 Hz
New belt:90-114 Hz (for reference
only)
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5 Repair
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