ABB IRB 930 - Page 89

NoteAction
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Visually inspect:
• the stop blocks on the ball screw spline unit
• the shaft of the ball screw spline unit
Look for abrasions, cuts or crush damages on the
spline, and grease amount on the shaft.
6
See Lubricating the ball screw
spline unit on page 96.
Apply grease to the shaft if it is not enough.7
See Replacing the ball screw on
page 308.
Replace the ball screw spline unit if wear or dam-
age is detected.
8
Product manual - IRB 930 89
3HAC086009-001 Revision: A
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4 Maintenance
4.4.3 Inspecting the ball screw spline unit
Continued