The job of the Motorhand is to safely and efficiently ensure that the regular preventative maintenance and repair activities for the generators, main engines, air compressors, portable water system, drill water manifold and pumps, and cold start air compressors occur in a timely manner to prevent downtime and ensure the efficient and continual functioning of the mechanical equipment used in the operation of the drilling rig. The Motorhand works under the direction of the Rig Manager.