Control System
CPU board, brake control board, controller annunciator display, starter panel, control temperature switch, control power transformer, power supply board, isolation transformer, high voltage and upper and lower junction boxes.
Drive Machinery and Motor Equipment
AC motor, encoder, permanent magnet brake, gearbox, bull gear, ring and pinion gear, oil bucket and lower reversing station. The gear case will be periodically drained and flushed to remove sediment and grit and refilled with new gear oil.
Handrail Drive System
Handrails, handrail drive wheel, handrail roller cluster, handrail drive chain, handrail take-up device and handrail guide assemblies.
Safety Switch System
Missing step detector, handrail inlet switches, step upthrust inlet switches, combplate impact device, skirt switches, pit stop switches, access cover switches, out-of-level step switches, emergency stop switches, alarm on the stop switch cover, broken step chain switches, key start switches, brake temperature switch and motor pit stop switch.
Guidance and Alignment Systems
Steps, rollers, step chains, handrail tracks, novatex boards, sprockets, pulleys, comb segments and comb plates (billable when damaged by others), landing plates, lubricators and comb lighting.
Balustrades and decks shall be examined, adjusted, properly fastened and aligned.
Housekeeping
Clean escalator equipment, pits, pans and balustrade interiors.