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Assuming you have access to the hinge mechanism. This item will probably be made of cast iron, and the hinge mechanism has rusted solidly.

Care must be exercised to avoid breaking the cast iron as it is a brittle material, and some of its substance will have been consumed into making rust. Thus the cross-section of the material will already have been reduced!

One of the spray lubricants is your best chance, but remember, there is no way to recover the material that has already turned to rust. Give it a good spray, and leave for a few hours for the spray to penetrate.

Try and get a tiny bit of movement. Try some more spray.

Once you have a small movement, then further movement will abrade the rust into a powder. But realize that is what you are doing.

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14y ago

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