ABB IRB 910INV Product Manual page 598

5 Repair
5.6.10 Replacing the outer arm
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Action
Refit the timing belt to the pulley on the ball screw
and the motor. Ensure that the belt runs correctly
in the grooves.
Refit the screws and washers.
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
Timing belt:
3HAC061862-001
xx1800002886
Screws: Hex socket head cap
screw M4x20 12.9 Lafre
2C2B/FC6.9 (3 pcs)
Washers: Washer 4.3x10x2 steel
(3 pcs)
Tightening torque: 3 Nm ±10%
xx1800002884
Used belt: 190-232Hz
New belt:225-287Hz
xx1800002887
Product manual - IRB 910INV
3HAC068055-001 Revision: K