Info/IllustrationAction
Detailed in section Replacement of paral-
lel arm / Replacement of bearing on
page 194.
Remove the parallel arm.6
Detailed in section Replacement of com-
plete arm system on page 156.
Remove the complete arm system.7
Unfasten the robot from the foundation.8
This figure shows the IRB 4400.
xx0300000172
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.
9
Lift the gearbox unit together with the
base and use the hoisting block to tip
the complete assembly forward 90°.
10
xx0300000173
Place the assembly on a level surface
and support it at position A, according
to the figure on the right.
CAUTION
Make sure the unit is stable and rests
securily before removing the lifting
equipment.
11
• B: Approximately 200 mm (IRB
4400 all models)
Shown in the figure Refitting, complete
arm system on page 158.
Remove the bottom plate from the base.12
Move the lifting straps to the base and
unload its weight.
13
Continues on next page
Product manual - IRB 4400 249
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
4 Repair
4.8.1 Replacement of gearbox unit, axes 1-2-3
Continued
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