Base; Replacing The Base Unit - ABB IRB 390 Product Manual

5 Repair

5.4.1 Replacing the base unit

5.4 Base

5.4.1 Replacing the base unit
Location of the base unit
The base unit is located as shown in the figure.
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Summary of the replacement procedure
This is a brief summary of the replacement procedure, containing the major actions
to be performed.
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1 Remove the telescopic shaft/shafts including the universal joints.
2 Remove the lower arms and delta unit.
3 Remove the upper arms.
4 Lift down the base unit to a workbench.
5 Move the SMB unit, the cable harness, and the axis-4 and axis-5 motor and
gear units from the old base to the new.
Also move the axis-1, axis-2 and axis-3 motors from the old base to the new,
if the base spare part is ordered without motors.
6 Refit the new base unit to the robot frame.
7 Refit the upper arms.
8 Refit the lower arms and delta unit.
9 Refit the telescopic shaft/shafts.
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Product manual - IRB 390
3HAC066566-001 Revision: B