The last video revealed that the collet chuck had an unacceptable level of runout. In this video I service the collet chuck body and find a way to marginally improve the runout.

00:00 Intro to part 3
00:32 Inspecting disassembled collet chuck on bench
06:13 Checking concentricity of chuck body
07:31 Checking concentricity of sleeve in the body
09:18 Identifying best angular position for sleeve
11:37 Why the sleeve is keyed to the body
12:25 Determining best position of keyway in sleeve
13:32 Attempting to clean up nose taper on the lathe
15:49 Retesting the body after cleaning up the nose
18:27 Milling new slot in sleeve
19:45 Cleaning up yoke assembly
23:26 Reassembly
27:17 Turning test bar using collet chuck
29:51 Conclusion and next video