Door well not stay closed.our door hinges

If your machine is a Hobart LX series, changing the hinges will probably not remedy your door closing issue.

I'd start at the door magnet. It's located under the handle at the top RH side of the door. Verify that it is there. Next I'd check to see if the other magnet is in place at the top front RH side of the top interior 'ceiling'. It's held in place by a bracket that runs the entire width of the unit.

When the door is closed, these two magnets attract to each other with a firm "snap" and that is what keeps the door closed.

If your door wants to spring open slightly or lazily rest closed without the above mentioned "snap" then you'll need to visually inspect the bottom edge of the door for any cracks or deformation, particularly in the corners. This deformation will cause the bottom of the door to bind against the lower threshold of the machine and keep it from closing. You'll have to remove the door to properly inspect and reform it.

Sadly, my money is on the door being deformed in some way. Hope this helps.