To repair a metal twin bed with trundle, first determine which part of the bed has to be fixed. If the bed is wobbly, there are most likely screws that have come back loose and want to be tightened. Original wood screws that seem to be stripped should get replaced with new wood screws. The screws accustomed fix the nest bed components should be tightened with a polygonal shape wrench, additionally referred to as a wrench.
Take all the bedding out of bed. Remove the mattress to expose the frame. Locate the bolts that fix the sections of the nest bed along. Insert the Allen key into one of the frame bolts. Tighten the screw by turning the key to the right. Repeat this step for the rest of the bolts on the bed frame. Locate the screws that secure the metal supports to the structure. Insert the screwdriver into a bolt and pinch by turning the screwdriver clockwise. Repeat this step for the remaining screws in the frame. Screws that appear to be stripped that must be replaced with new screws.
Place the screwdriver on the screw. Turn the screw counterclockwise with the screwdriver until your hand. Remove the screw. Insert a wood screw back to the opening. Tighten the screws with the screwdriver. Repeat steps 1 to 3 for all the screws that need to be replaced. Put the mattress on the bed. Replace the bedding.