Chapter 6: Maintenance
shaft.
8. Replace the old bushings with the three new bushings from the rebuild kit.
9. Insert the center shaft, fixture end first, into the drive shaft cylinder.
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The top end cap of the cylinder and the bottom end of the center shaft each have
a hole that a U-joint attaches to. Make sure that those two holes are parallel with
each other when you insert the center shaft into the cylinder.
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The three sets of five screws down the length of the drive shaft cylinder hold
three guides that the bushings slide over. Confirm that the bushings align with
these guides inside the cylinder.
10. Slide the replacement bottom end cap over the end of the center shaft.
Figure 6-8. End Cap Placed Over Center Shaft
11. Slide the end cap into the end of the drive shaft cylinder so that the three holes in the
cylinder align with the holes in the end cap.
12. Screw the three screws previously removed through the cylinder and into the end cap.
Use Loctite 243 or an equivalent thread locking compound on the screws before insert-
ing.
13. Reattach the lower U-joint to the drive shaft using the set screw previously removed.
Use Loctite 243 or an equivalent thread locking compound on the screws before insert-
ing. This completes the theta drive shaft bushing replacement procedure.
6.9 Theta Drive Shaft Replacement
If the theta drive shaft needs to be replaced, reverse and then execute the procedure described
in Attaching the Theta Drive Shaft on page 36.
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iX3 565 Robot with EtherCAT User’s Manual
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