Inset ..overlay . Looks to be 3/8 *3/8
The mounting method is odd. With the single screw. OLD?????

DLH

For safety, arbor nuts tighten opposite to the direction of rotation. This keeps the nut tight while you are using the saw and prevents the nut from unthreading and falling off during use.

If the nut was not adequately tightened before the saw was turned on, the starting torque can jam the nut ridiculously tight.

Anyway, jam some wood into the teeth of the blade to hold it in position and put a big extension bar on your wrench to get more torque. You can also try putting force on the nut AND whacking it with a hammer. Kinda like an impact wrench, the impact can often free stuck stuff. A little penetrating oil may also help.

Looks like the harborfreight vice. Had one just like it and it broke the nut too as well as generally sloppy. Check harborfreight for a current model and see if there is a parts breakdown in their instructions then see if they van get it.

It sounds very much like your pressure tank is "air locked" (water logged). The diaphragm has failed, which doesn't leave enough room for air in the tank. So the small volume of air in there causes the cycling you see. I've been told there is no repair to these tanks...replacement is the only solution.

How many openings do you get for your $20?

Quick glance at the install PDF (which means I didn't read the whole thing) and it looks like you could do the same thing with Masonite or MDF.

David Savage giving away a CS Anarchist Tool Chest to young UK maker
link

Quote:

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CAN YOU HELP PLEASE?

YOUNG MAKER WANTED TO WIN £4000 TOOL CHEST

Do you know a young person under 25 who loves making? Do they need hand tools and help? Please pass this on to them or to anyone you think might be interested and might know someone.
We are looking to give away a tool chest made by Chris Schwarz. this would sell for over $4000 in America. We plan to fill it with basic hand tool kit used by student furniture makers some new tools some second hand probably a value of £1000. The two best entrants will be invited to Rowden Atelier in Devon for a week doing a Basics training courses worth £750 each. All expenses paid. You will compete for the final prize.

Applicants should be 25 or under. You should be resident in United Kingdom. You should send photos of what you have made, drawings or photos. If possible a few words to tell me about yourselves. Who you are? What you have done and what you want to make? It need not be furniture but the tools are wood working tools.

Send your application by end of November 2015 to davidsavage@finefurnituremaker.com

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WOW!!!!

Excellent......the base just makes it.



Ed

Glad you got back to it, the skills will return, just practice and post picks.

Mel

It's great to get personal instruction from very knowledgeable folks. I do understand how a tight mouth can aid in tearout, but I've never equated that to thickness of the shavings.