The owner-operator of a heavy equipment maintenance business died because he undid the wrong bolts while trying to remove a tire. The victim was removing a wheel from a test roller for repair. A test roller is a large two-wheeled cart that holds about 60,000 pounds (27,216 kilograms) of concrete weight. The unit is used in highway construction to test the road surface. The wheels are five or six feet (1.5 meters to 1.8 meters) in diameter, and each rim is in three parts. The man was removing wheel nuts with an air impact wrench. Instead of removing the nuts to get […]