Note
Action
Torque wrench head, closed end:
3HAC063379-001.
Loosen all the universal joint screws from the base
unit and delta unit before unscrewing them com-
pletely.
Tip
The shaft rotates when loosening/fastening the
screws.
Use one of two alternatives to hold the shaft still:
1
Hold the motor shaft still with an open-end
wrench (47 mm) at the joint while loosen-
ing/tightening the screws. Requires two
persons.
xx2000000346
2
Hold the motor shaft still by inserting a pin
through the joints (5-axis robot) or through
the joint and against the casting. Choose
an appropriate material for the pin, that
does not damage the surface of the joints.
xx2000000688
2
Continues on next page
130
Product manual - IRB 390
3HAC066566-001 Revision: B
© Copyright 2020 - 2021 ABB. All rights reserved.
5 Repair
5.4.1 Replacing the base unit
Continued
Summary of Contents for IRB 390
Page 1: ...ROBOTICS Product manual IRB 390 ...
Page 8: ...This page is intentionally left blank ...
Page 14: ...This page is intentionally left blank ...
Page 36: ...This page is intentionally left blank ...
Page 44: ...This page is intentionally left blank ...
Page 118: ...This page is intentionally left blank ...
Page 330: ...This page is intentionally left blank ...
Page 344: ......
Page 345: ......