ABB IRB 920 Product Manual page 929

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8
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Inserting the main harness through the axis -2 gearbox position
1
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
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.
Refit the pulley protection cover and secure with
screws.
Action
For robots with protection type Clean Room:
Clean the joints that have been opened and wipe
the parts free from particles with spirit on a lint
free. See Cut the paint or surface on the robot
before replacing parts on page 118
Note
After all repair work, wipe the Clean Room robot
free from particles with spirit on a lint free cloth.
© Copyright 2022 ABB. All rights reserved.
5.8.2 Replacing the axis-2 gear unit sub-assembly
Note
Tightening torque: 2.3 Nm ±10%
xx2100001176
Used belt: 315
New belt:260
Screws: Hex socket head cap
screw M4x10 12.9 Lafre
2C2B/FC6.9 (3 pcs)
Tightening torque: 0.8 Nm
xx2100001047
Note
5 Repair
Continued
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