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Removing the shaft was quite difficult. It was essentially glued in place. A PO had punctured the bearing seals and forced grease into them. The grease I believe migrated to the bearing/headstock gap, broke down and hardened there.

After removing both the inner and outer retaining rings I could not get it to move either out or in.

I had to seek advice from the sage in Plant City. I did not have a piece of rebar, but a cut off grounding rod worked well. I was afraid that too much force would crack the headstock - he assured me he had never had one break. He uses a 4# sledge, I used a 2# ball peen hammer.

Thanks Bill!!!!

[ATTACH]19020[/ATTACH] Free at last! The 'push rod' fit into the quill shaft bore and the force of striking the rod essentially pulled the shaft/bearing rather than pushing the bearing as is typically done. I had NO intention of salvaging the old bearings.

[ATTACH]19021[/ATTACH] In this pix, a Mark 5/V shaft is on top, but in the following two pix the Mark VII shaft is on top. This shows the shaft disassembled and shows it is ALMOST the same as a Mark 5/V. All the parts are identical except the shaft itself which is longer on each end.

[ATTACH]19022[/ATTACH] The rear shaft is about 1/4" longer.

[ATTACH]19023[/ATTACH] As is the quill end.

[ATTACH]19024[/ATTACH]

This is 'premature', since reassembly comes later, but here it is after replacing the bearings and stop rings beside a Mark 5/V shaft assembly.

[ATTACH]19025[/ATTACH]


This thread is linked to from https://forum.shopsmith.com/viewtopic.php?t=11373

This has been a fun thread to watch. Thanks!

Lodgepole wrote:This has been a fun thread to watch. Thanks!

"Fun" as in ROTF?:D