ABB IRB 6400R - Replacing Guide Ring, Balancing Unit

Repairs Balancing unit
Product Manual IRB 6400R 27
5.2 Replacing guide ring, balancing unit
1 Move axis 2 to a position where the balancing unit is in the horizontal position.
2 Remove the circlip from the end cover of balancing unit. See Figure 7.
3 Remove the worn out guide ring and clean the piston rod. See Figure 7.
4. With the smallest outer diameter facing outwards, force the new guide ring over
the piston rod. Use tool 3HAC 0879-1. Locate the ring in the end cover.
See Figure 7
5. Install the circlip.
6. Lubricate the piston rod, see Maintenance, Chapter 2.5, Lubricating piston rod,
balancing unit axis 2.
Figure 7 Guide ring, balancing unit.
Circlip
Guide ring
Circlip
Smallest O.D.
Tool 3HAC 0879-1