ABB IRB 920 Product Manual page 741

2
Refitting the axis-1 motor sub-assembly
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2
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Product manual - IRB 920
3HAC075721-001 Revision: C
Action
Install the flange to the motor.
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.
Put the timing belt into the pulley on the gear.
Refit the motor and refit the timing belt to the
motor.
Ensure that the belt runs correctly in the grooves.
Refit the screws and washers without fully
tightened.
Hang a strap to the hook on the motor.
© Copyright 2022 ABB. All rights reserved.
5.7.1 Replacing the axis-1 motor sub-assembly
Note
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (4 pcs)
Tightening torque: 2.3 Nm ±10%
xx2100001042
Note
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (3 pcs)
Washers: Plain washer machining
4.2x9x2 steel (3 pcs)
Tightening torque: 2.8 Nm ±10%
xx2100001038
Timing belt A1:
3HAC070449-001
5 Repair
Continued
Continues on next page
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