ABB IRB 920 Product Manual page 637

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3
Refitting the axis-4 timing belt
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2
3
Product manual - IRB 920
3HAC075721-001 Revision: C
Action
Refit the motor to the transmission module.
Tip
Move the internal harness out of the way.
Refit the screws and washers.
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.
Refit the timing belt to the pulley.
Refit the timing belt to the motor. Ensure that the
belt runs correctly in the grooves.
© Copyright 2022 ABB. All rights reserved.
5.6.10 Replacing the transmission module
Note
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (2 pcs)
Washers: Washer 4.3x10x2 steel
(2 pcs)
Tightening torque: 2.6 Nm ±10%
xx2100001094
Note
Timing belt, A4-1:
3HAC070470-001
xx2100001097
Continues on next page
5 Repair
Continued
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