ABB IRB 6660 - 130/3.1 Product Manual page 208

4 Repair
4.4.5. Replacement of complete lower arm
Continued
206
Action
6. Refit all screws (both M12 and M16) with
washers on the axis 2 side that are possible to fit
at this stage.
7. Push the parallel arm against the axis 2 side.
8. Refit all screws with washers on the axis 3 side
that are possible to fit.
NOTE!
The axis 3 side has no M16 screws!
9. Change the position of the lower arm in order to
reach the remaining attachment holes, and fit the
remaining screws.
10. Secure the lower arm by fitting a lock screw.
11. Refit gearbox axis 2-3.
12. Refit motor axes 2-3.
13. Refit the complete upper arm.
14. Refit the cable harness.
15. Refit the parallel rod.
16. ( Not applicable to robot variant IRB 6660 -
205/1.9 ! )
Refit the balancing device.
17. Remove the lock screw.
Note
Tightening torque M16: 300 Nm
Tightening torque M12: 120 Nm
Tightening torque M12: 120 Nm
xx0600002736
• A: Hole for lock screw
M16x90
Detailed in section Replacement of
gearbox, axes 2- 3 on page
Detailed in section Replacement of
motor, axes 2 and 3 on page
Detailed in section Replacement of
upper arm on page 188.
Detailed in section Replacement of
cable harness, upper end on page
162
Detailed in section Replacement of
parallel rod on page 198
Detailed in section Replacement of
balancing device on page
Continues on next page
3HAC028197-001 Revision: A
251.
227.
218.