CRH - - Responsibilities: Examines equipment and discusses with equipment supervisor nature and extent of damage or malfunction; Plans work procedure and/or possible solutions such as part redesign, substitution of material or parts, or rearrangement of parts or subassemblies; Raises equipment, with hydraulic jack, hoist or crane, to gain access to mechanical units bolted to underside of equipment; Removes units or pieces such as engines, transmissions, drums, seals, etc.; Repairs or replaces parts such as drums, seals, buckets, hydraulic pumps, electric motors, valves, pistons, rods, gears, etc.