lift components and systems - electrical/electronic, including: traction lifts encompassing: lift control circuits (relay logic only): floor selector circuitry machine room control (selector) and well control (transducer) circuitry - direction slowing and stopping, re-levelling, door operator, acceleration, button, indicator/lantern, lights and emergency lights, travelling cables, key switch circuits, fans, main supply and power circuits safety circuits encompassing: type, operation and actuation landing door locks, car door locks, emergency stop, pit switch, car trap-door switch, fire service, car top switch, tappet switch, governor switch, and safety gear switch, reverse phase relay, phrase failure relay and limit switches maintenance, replacement and adjustment encompassing: electrical and electronic lift components - travelling cables, tachometers, selectors, encoders and transducers safety devices: overloads, circuit breakers, limit switches, terminal stopping, door protection, governors and safety gear/switches electrical layout/drawings and special requirements encompassing: lift code and AS/NZS 3000 Electrical installations (known as the Australian/New Zealand Wiring Rules) requirements specific lift symbols conduits trailing cable troughing colour coding and labelling segregation low voltage (LV)/extra-low voltage (ELV) telephone and communication cabling regulatory requirements and door lock wiring safety drive adjustment encompassing: emergency stop button speed governor reverse phase protection broken chain/step switch broken main drive switch drive access switch start pressure switch and landing guards/barriers lift components – electronic encompassing: encoders transducers electronic boards selectors rectifiers capacitors resistors processor board input/output (I/O) board drives - types, construction and operation encompassing: traction gearless types: speed/load characteristics, efficiency, application, brakes and electric prime mover (motor types and control) geared types: speed/load characteristics, efficiency, application, brakes and electric prime mover (motor types and control) other types of lifts (drum, rack and pinion, chain and screw) fault finding encompassing: visual inspection performance checks and application of fault-finding principles relevant diagnostic methods relevant fault scenarios relevant industry standards relevant job safety assessments or risk mitigation processes relevant manufacturer specifications and operating instructions for tools and equipment relevant rectification activities and procedures relevant tools, equipment and testing devices relevant WHS/OHS legislated requirements relevant workplace documentation, including fault reports, test results, authorisations, permits, parts/components, despatch and store records relevant workplace policies, procedures and instructions. |