Specifications include, but are not limited to: A. The following equipment and parts shall be checked and inspected at least monthly as prescribed herein, to the four electric hydraulic elevators numbered 1, 2, and 3 in the Headquarters Building three running levels, and number 4 Lab II wing running two levels. (1) Pump Unit (including pump, V-belts, strainers, silencers, springs and gaskets) (2) Motor (including motor windings, bearing, rotating element, commentators, brushes and brush holders) (3) Jack Unit (including plunger, guide bearing, packing and gland) (4) Controller (including relays, resistors, contacts, coils, leads, transformers, fuses timing devices and solid state components. (5) Valves (including relief valve, pilot, lowering, leveling and checking valves or any of the parts thereof)