Refurbishing a MkV 510

[John4337]

With the way tubes locked down, the critical thing is the 'angle' across the two way tubes is the same at both ends(twist). That big set screw is adjusted to achieve that.

A way to check that is the tailstock center point aligning with a drive center point on the quill, then moving the drive center to the top aux shaft and moving the tailstock to the other end. If the points do not align(front to rear), the way tubes are 'twisted'.

I’ll have to wait until I get the headstock refurbished to do that test. I did put a level across the way tubes at each end and they were the same.

[John4337]

Working on the table base today, here the progress on the tubes, one before, one after

table tube 1.jpg (127.76 KiB) Viewed 715 times

table tube 2.jpg (88.76 KiB) Viewed 715 times

[John4337]

Some 1000 grit wet sandpaper and the table cleaned up nicely. Straight edge shows its still flat.

Table.jpg (537.42 KiB) Viewed 704 times

[chapmanruss]

I am looking forward to the finished tool. So far it is looking great.

[John4337]

I am looking forward to the finished tool. So far it is looking great.

Thank you very much, I'm pretty happy considering the condition it was in.

[John4337]

I took the plunge today, started in on the headstock, here are the initial photos. The motor does turn on, but I only let it go a second out of concern for those belts. Please speak out if you see anything I need to look into.

Headstock 1.jpg (209.94 KiB) Viewed 666 times

Headstock 2.jpg (300.09 KiB) Viewed 666 times

Headstock 3.jpg (215.02 KiB) Viewed 666 times

Headstock 4.jpg (342.62 KiB) Viewed 666 times

Headstock 5.jpg (365.84 KiB) Viewed 666 times

Headstock 6.jpg (323.56 KiB) Viewed 666 times

[JPG]

Other than oxidation and saw dust the only thing I see missing is the two screws and wide tinnerman nuts that secure the vent plate.

Examination of the speed control is needed.

I think it will clean up nicely! That rusted motor fan shroud will be a challenge. Evaporust/rags may be the answer.

[John4337]

And what's inside.

Headstock 7.jpg (354.94 KiB) Viewed 663 times

Headstock 8.jpg (264.4 KiB) Viewed 663 times

[John4337]

Other than oxidation and saw dust the only thing I see missing is the two screws and wide tinnerman nuts that secure the vent plate.

Examination of the speed control is needed.

I think it will clean up nicely! That rusted motor fan shroud will be a challenge. Evaporust/rags may be the answer.

Thanks, I have them. Found the nuts in the motor housing

[JPG]

Well that explains the shiny(?) stuff on the edges of the motor belt.(migrated from idler pulley sheaves).

Insides also look like great progress will be attainable.

I think you gots a good un.