ABB IRB 920, Product Manual

Page: 741 / 1008

Note Action
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (4 pcs) Install the flange to the motor. 2
Tightening torque: 2.3 Nm ±10%
xx2100001042
Refitting the axis-1 motor sub-assembly
Note Action
For robots with protection type Clean Room: 1
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. 2
Screws: Hex socket head cap
screw M4x16 12.9 Lafre
2C2B/FC6.9 (3 pcs) Refit the motor and refit the timing belt to the
motor.
Ensure that the belt runs correctly in the grooves. 3
Washers: Plain washer machining
4.2x9x2 steel (3 pcs)
Refit the screws and washers without fully
tightened. 4
Tightening torque: 2.8 Nm ±10%
xx2100001038
Timing belt A1:
3HAC070449-001
Hang a strap to the hook on the motor. 5
Continues on next page
Product manual - IRB 920 741
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
5 Repair
5.7.1 Replacing the axis-1 motor sub-assembly
Continued