How To Repair Pull Out Coach Frame Into A Bed. If your sofa is old or the sofa bed has not been used in a long time there is a chance that the frame is stuck in place due to rust or a general lack of use that has caused the movable parts of the frame to get stuck in place. If the bed collapsed down with a lot of noise the horizontal wooden beams might have broken.
Then remove the mattress fold the three sections of plywood and remove. Place the mattress over the plywood sections and sofa bed frame and lay down on the mattress to test the plywood supports. If your sofa is old or the sofa bed has not been used in a long time there is a chance that the frame is stuck in place due to rust or a general lack of use that has caused the movable parts of the frame to get stuck in place.
Spray the joints of the frame with a metal lubricant to loosen the parts of the frame that may be stuck.
Start by removing the cushions and mattress from the frame and inspect the braces legs and the joints of the frame. Place the mattress over the plywood sections and sofa bed frame and lay down on the mattress to test the plywood supports. Some sofa beds have a series of rails attached horizontally across the bed frame or sofa seat. When you have company staying for the night you can turn your sofa into a comfortable place for your guests to sleep rather than having them cramped on the sofa or on the floor.