A man is recovering after he became trapped under the bed of a dump truck on Thursday.Investigators said the incident happened at Borco Trailers on Johns Street. Johnstown Assistant Fire Chief Chris Selfridge said the man was doing repairs to the vehicle and didn’t have the safety stops in place.Selfridge said the hydraulics were somehow activated to manually lower the bed and the worker became pinned between the frame and bed of the truck.The man was transported to the hospital for non-life threatening injuries, Selfridge said.