Replacement Of Spherical Roller Bearing, Balancing Device - ABB IRB 6640 Product Manual

4 Repair

4.5.3. Replacement of spherical roller bearing, balancing device

4.5.3. Replacement of spherical roller bearing, balancing device
Overview
There are some differences in the two designs of the robot IRB 6640, design 1 has:
Design 2 has:
The difference is described in section
Location of bearing, Design 1
The bearings are located in the balancing device, as shown in the figure below.
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A
B
C
D
292
• one ear on the lower arm as shown in the figure for design 1.
•
two ears on the lower arm as shown in the figure for design 2
Washer
Sealing ring, radial (2 psc)
Spherical roller bearing
O-ring
Design 1 and Design 2 of IRB 6640 on page
3HAC026876-001 Revision: F
48.
Continues on next page