ABB IRB 4400 - 45 Product Manual page 222

4 Repair
4.8.1. Replacement of gearbox unit, axes 1-2-3
Continued
220
Action
5. Remove the tie rod.
6. Remove the parallel arm.
7. Remove the complete arm system.
8. Unfasten the robot from the foundation.
9. Fit and secure straps (A) around the rear
part of the gearbox unit, as shown in the
figure to the right. Attach the straps to
lifting slings with a hoisting block.
Fit and secure hooks to the lifting lugs
(B).
Use the same crane for both attachment
points.
10. Lift the gearbox unit together with the
base and use the hoisting block to tip the
complete assembly forward 90°.
Info/Illustration
Detailed in section Replacement of tie rod
on page 164.
Detailed in section Replacement of
parallel arm / Replacement of bearing on
page 168.
Detailed in section Replacement of
complete arm system on page
xx0300000172
This figure shows the IRB 4400.
xx0500002136
This figure shows the IRB 4450S.
Continues on next page
3HAC022032-001 Revision: E
128.