Specifications include, but are not limited to: Contractor shall regularly and systematically examine, adjust, lubricate as required, and if conditions warrant, clean, repair or replace: a. Machine, worm, gear, thrust bearings, drive sheave, shaft bearings, brake assembly and brake coil, contacts, linings and components parts. b. Motor and motor generator, motor windings, rotating elements, commutator, brushes, brush holders, and bearings. c. Silicon control rectifiers, reactors, filters, heat sinks, amp traps, transducers and all control components. d. Controller, selector and dispatching equipment, all relays, solid-state components, resistors, condensers transformers, contacts, leads, dashpots, timing devices, computer and microprocessor devices, steel selector cable or tape, and mechanical and electrical driving equipment.