Vacuum excavation is a valuable tool in today’s digging world. And if you find yourself working a lot of jobs that need that vacuum power in a more compact package, a trailer-mounted unit is likely a part of your fleet. Keep the following manufacturer advice in mind to ensure problem-free operation.Do a thorough prejob inspectionA good maintenance routine for any equipment begins with a prejob inspection. On trailer-mounted vacuum excavation units, Jerry Hatfield, training and warranty manager for Sewer Equipment Co. of America, suggests starting from the ground up.“Check the tires. Are they properly inflated? When you’re pulling these trailers
