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Cleaning and Repairing an Antique Mortise Door Lock

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Step 19: Clean the case and parts with WD-40.

Picture of Clean the case and parts with WD-40.
If you did it right, your lock case will be full of steel wool dust. Clean it and all the other parts with a paper towel and WD-40.

Do not use oil!

Get all the dust, cobwebs, and steel wool out of the case and off the parts.

 
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