CRH - - Responsibilities: Analyzes malfunctions and repairs, rebuilds, and maintains equipment.; Operates and inspects machines and equipment to diagnose defects.; Dismantles and reassembles equipment, using hoists, as well as hand and power tools.; Replaces defective engines and subassemblies, such as transmissions, electric motors, drums, seals, hydraulic pumps, valves, pistons, rods, gears, crankshafts, cylinder blocks, etc.; Tests overhauled equipment to ensure operating efficiency