CRH - - Responsibilities: Troubleshoots problems, making economical and durable repairs.; Dismantles devices to gain access to and remove defective parts using hoists and hand tools.; Maintains and repairs heavy equipment, trucks, shop, and non-mobile equipment on a company-wide basis.; Services vehicles/equipment to include oil changes, greasing, adding fluids, changing filters and maintaining preventative maintenance schedules.; Troubleshoots and repairs electrical and hydraulic systems, diesel and gasoline engines, transmissions, drive trains, etc.