Vendor shall make all repairs or upgrades necessary for each elevator listed in this document necessary to obtain/maintain a Certificate of Operation granted by the State of Illinois Office of the State Fire Marshal – Elevator Division. Vendor will regularly and systematically examine, clean, adjust and lubricate as required, and if conditions warrant, repair, and/or replace elevator components including but not limited to: Elevator Machine: including worm and gear, thrust bearings, drive sheave, drive sheave shaft bearing; brake, including brake pulley, brake coil, brake contact, linings, and component parts. Motor and Motor Generator: including auxiliary rotating systems, (tachometer, regulators, and the like) motor windings, rotating elements, commutator, brushes, brush holders and bearings. Governor: including governor sheave and shaft assembly, bearings, contacts, and laws. All Idler Sheaves: including the deflector or secondary, car and counterweight, compensation, and related bearings; governor tension assemblies. Controller and Various Relay Panels: including all relays, contactors, solid state components, resistors, condensers, transformers, contacts, shunts, mechanical or electrical timing devices, computer devices. Selectors: including selector drive (tape, wire, or cable) and all mechanical and electrical drive components. Hoistway Door Interlocks: or locks and contacts, hoistway door hangers and tracks, bottom door guides and auxiliary door closing devices, hoistway limit switches. Guide Shoes: including roller or gibs or replaceable liners. Buffers: including spring or oil; switches, seals, and packing.