ABB IRB 4400/60 Product Manual page 249

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Product manual - IRB 4400
3HAC022032-001 Revision: Q
Action
Remove the parallel arm.
Remove the complete arm system.
Unfasten the robot from the foundation.
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.
Lift the gearbox unit together with the
base and use the hoisting block to tip
the complete assembly forward 90°.
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.
Remove the bottom plate from the base.
Move the lifting straps to the base and
unload its weight.
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4.8.1 Replacement of gearbox unit, axes 1-2-3
Info/Illustration
Detailed in section
lel arm / Replacement of bearing on
page 194.
Detailed in section
plete arm system on page
This figure shows the IRB 4400.
xx0300000172
xx0300000173
• B: Approximately 200 mm (IRB
4400 all models)
Shown in the figure
arm system on page
4 Repair
Continued
Replacement of paral-
Replacement of com-
156.
Refitting, complete
158.
Continues on next page
249