4.4.3 Inspecting the ball screw spline unit
Introduction
CAUTION
Always read the specific instructions if the robot has protection type Clean Room,
before doing any repair work, see Cut the paint or surface on the robot before
replacing parts on page 118
Location of ball screw spline unit
The ball screw spline unit is located as shown in the figure.
Clean Room/IP54IP30
xx2100002431
xx2100001019
CAUTION
For the robots with protection type Clean Room and protection class IP54, the
ball screw spline unit is inside the bellows. If needed, remove the bellows to
inspect the ball screw spline unit.
For details about how to remove the bellows, see Replacing the bellows.
Required spare parts
Note
The spare part numbers that are listed in the table can be out of date. See the
latest spare parts of the IRB 920 via myABB Business Portal,
www.abb.com/myABB.
NoteArticle numberSpare part
Used for IRB 920T-6/0.45_0.18,
IRB 920T-6/0.55_0.18 and IRB
920T-6/0.65_0.18
3HAC070477-001Ball screw, BNS2020A+395LC5
Continues on next page
94 Product manual - IRB 920
3HAC075721-001 Revision: C
© Copyright 2022 ABB. All rights reserved.
4 Maintenance
4.4.3 Inspecting the ball screw spline unit
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