Questions on Inboard Spindle Nut J-line Lathe

John I know the kind of nut you mean, I have worked with them, we called them ring nuts, but I don't know what they are called here. We did have a tool for them, I'll try to describe it, a flat tool handle with the last 5 inches curved like a ( and a hook on the end like a 7, a hinged 5 inch jaw on the handle also curved like a ) and a hook like the 7 but backwards. to use the tool, one hook would go into one slot and the other into the opposite slot, you hold the tool so the hooks will work in the direction you want the ring to turn. However I have used brass pins and even a screwdriver when no other choice, to hammer the ring loose, they were very often used in pairs to lock them in place, I hope you can make sense out of my description.

They are Martin wrenches.

Sorry for that - but I call them pin wrenches myself.

There are fixed ones and adjustable ones.

I suggest an adjustable one to fit firmly.

The pin reaches over the top into a hole and you can pull the pin around... flip it over and it reverses.

Martin

Martin H. Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net TSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal. NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member.

John Gbur wrote:

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Thanks to all. I didn't realize there was a lock washer I needed to bend the tab down on. Once I did that I was able to get it off. Thanks for the tip on the tool as well. Thanks!

Da - didn't read well enough - that was a pin wrench - do you have holes ?

If you don't have holes, then a flat one is needed. Perhaps you can find a quick one at the Dollar store... those flat cheap punch out wrenches are useful from time to time.

If there are holes in the flats then the wrench is it.

Glad you got the nut off.

My nut is just knurled for hand tightening. The nut on the outboard (left hand) was lost in moving 40 or 50 years ago. Such is life.

Martin Martin H. Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net TSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal. NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member.

John Gbur wrote:

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try this link to see a variety of the proper type of wrench

I think he needs the hook spanner wrench as shown on the bottom of the page Biill Noble linked to, and as I said those nuts are used very often in pairs, to lock them here they used a lock washer/ring, the cutouts in the nut/ring are square, mind you the marten tool could probably be used in a pinch ;-))

have fun and take care Leo Van Der Loo

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Update. I did end up order a wrench. No problem getting it off but need to draw a bearing back in using the nut. I think a the hook spanner wrench will do the trick. I saw the pin wrenches and knew they wouldn't work, wasn't sure what they were called. Thanks again to all.

have fun and take care Leo Van Der Loo

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