ghazzer
Senior Member
I managed to get the motor refurbished and running, so now it is time to finish overhauling the lathe.
This is a Wolf,Jahn 8mm Watchmaker’s lathe, made in Germany, probably in the early part of the 1900s. My goal has been to carefully disassemble it clean it, lubricate it and put it back together so that it works, and not be damaged during use. This has been completed for everything except the spindle of the headstock.
I found two nice books on these lathes: “The Watchmaker’s and Model Engineer’s Lathe” by Donald de Carle and “Restoring This Old Lathe” by Robert D. Porter. They have been informative and helpful, but either they left out a step on taking the headstock apart or the pulley block has been glued to the spindle. The set screw for the pulley block has been completely removed, but the pulley will not budge. I have used some cleaning fluids but have been reluctant to use anything stronger because I do not know the composition of the pulley block and don’t want to risk damaging it.
This is a pic of the head stock, with the drawbar removed from the left side.
This shows the back cone removed from the spindle. It was on the left in the previous picture, under the dust cover.
Here is an exploded drawing of the head stock. The spindle (bottom piece) is supposed to slide out of the bank of pulleys after the set screw is removed.
I bought a spray can of Liquid Wrench’s Penetrating Oil. It hasn’t freed anything up yet, but I had to buy another can of “febreze” (NA) for the workshop.
I'm just hoping that someone has had experience with one of these and can offer some constructive suggestions about how to get the spindle out of the block of pulleys. There was key/pin inside the spindle to hold the collet in place. It is missing and I need to get in there to see if there is some way to get it replaced.
Thanks - - -
This is a Wolf,Jahn 8mm Watchmaker’s lathe, made in Germany, probably in the early part of the 1900s. My goal has been to carefully disassemble it clean it, lubricate it and put it back together so that it works, and not be damaged during use. This has been completed for everything except the spindle of the headstock.
I found two nice books on these lathes: “The Watchmaker’s and Model Engineer’s Lathe” by Donald de Carle and “Restoring This Old Lathe” by Robert D. Porter. They have been informative and helpful, but either they left out a step on taking the headstock apart or the pulley block has been glued to the spindle. The set screw for the pulley block has been completely removed, but the pulley will not budge. I have used some cleaning fluids but have been reluctant to use anything stronger because I do not know the composition of the pulley block and don’t want to risk damaging it.
This is a pic of the head stock, with the drawbar removed from the left side.
This shows the back cone removed from the spindle. It was on the left in the previous picture, under the dust cover.
Here is an exploded drawing of the head stock. The spindle (bottom piece) is supposed to slide out of the bank of pulleys after the set screw is removed.
I bought a spray can of Liquid Wrench’s Penetrating Oil. It hasn’t freed anything up yet, but I had to buy another can of “febreze” (NA) for the workshop.
I'm just hoping that someone has had experience with one of these and can offer some constructive suggestions about how to get the spindle out of the block of pulleys. There was key/pin inside the spindle to hold the collet in place. It is missing and I need to get in there to see if there is some way to get it replaced.
Thanks - - -
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