Specifications include, but are not limited to: HYDRAULIC ELEVATORS On a quarterly basis examine, lubricate, adjust, and as needed or if usage mandates, repair, or replace components as listed below: a. Basic components: Controller components: resistors, timers, fuses, overloads, minor contacts, wiring, coils; packing, drive belts, strainers, functional components of car and corridor operating stations, hangers and tracks, door operating devices, door gibs, guide shoes, rollers, traveling cables, signal lamps (replacement during regular visits only), interlocks, door closers, buffers, switches, door protection devices, and alarm bells. b. Major components: Exposed piping in the Machine Room & hoistway, motor, PC boards, pump unit, solid state devices, contactors, and valve rebuilds. 2. WHEELCHAIR LIFTS On a quarterly basis inspect, make minor adjustments, lubricate, and make recommendations for repair or replacement of components of unit(s). 3. CLEANING On a quarterly basis clean the machine room, car top, and pit of debris related to work in these areas.