Some tips for repairing Baldwin locks are checking if the knob or bolt collar plates are loose or replacing the locking lever mechanics. Another tip is to avoid over-tightening the screws that mount the knob or plates to prevent stripping the screws and latch problems.
When checking if the Baldwin lock is loose, find the wedge-shaped bolt on the collar plates for the knob and dead bolt. Use a screwdriver to tighten the screws that secure each collar to the edge of the door. If the screw does not tighten, replace it with a longer or thicker screw so that it anchors into the frame again.
Next, find the mounting screws on the thumb button or knob, and tighten these as well. Find the plate around the key hole or thumb latch of the deadbolt above the knob. Tighten the screws on each plate.
To replace the locking lever mechanics, open the door, and find the screws around the locking mechanism on each side of the door. Use a Phillips-head screwdriver to remove them, and place them somewhere for safekeeping. Remove the cover inside, find the set screw under the interior handle, and file it to loosen and remove it. Remove the interior handle, the door plate and screws while keeping the exterior handle in place.
Take out the locking cylinder before removing the exterior handle. Unscrew and remove the side cylinder, and clean the newly exposed parts of the door. Insert the new locking lever on the exterior, and secure the two new screws from the inside to the outside. Place the interior lock where the old one was, and screw it into place. Secure the new cylinder and strike plates with the provided screws, and replace the rest of the materials before checking the door.