4 Repair
4.8.1. Replacement of gearbox unit, axes 1-2-3
3HAC022032-001 Revision: E220
© Copyright 2004-2008 ABB. All rights reserved.
5. Remove the tie rod. Detailed in section Replacement of tie rod
on page 164.
6. Remove the parallel arm. Detailed in section Replacement of
parallel arm / Replacement of bearing on
page 168.
7. Remove the complete arm system. Detailed in section Replacement of
complete arm system on page 128.
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.
xx0300000172
This figure shows the IRB 4400.
xx0500002136
This figure shows the IRB 4450S.
10. Lift the gearbox unit together with the
base and use the hoisting block to tip the
complete assembly forward 90°.
Action Info/Illustration
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