brake types, function, operation, inspection and adjustment, circuitry and manual release, including: brake circuitry electrical operations, including stall motor, solenoid and hydraulic geared machine brakes gearless machine brakes inspection and adjustment of mechanical and electrical brakes internal and external mechanical brakes manual release devices and safety procedures communication at site electro-hydraulic lifts circuitry, controls and components, including: electrical circuitry faulty components diagnosis governor switch hydraulic circuitry hydraulic components levelling switch over travel limits pump motor and starter servicing stop button up, down limit switches up, down solenoids electro-hydraulic lifts - mechanical operation – fluid power principles and components, operation, arrangements, lift code and other requirements and emergency passenger release, including: bleeding lines control of hydraulic pressure directional flow including pressure gauge filters fluids general operation hydraulics oil cooler oil reservoir Pascal’s Law pump ram/cylinders, including single and multi-stage safety considerations of fluids under pressure seals solenoid values types of arrangements, including side acting, direct and suspended electric lifts – mechanics, including: governor operation testing and rope tension testing governor types, including vertical shaft, overspeed devices and horizontal shaft governors release procedures for each type of safety gear/governor combination safety gear types: A instantaneous, B flexible guide clamp, C wedge clamp and D oil buffer emergency release procedures - trapped passengers – WHS/OHS considerations and communication with passengers, including: determining numbers and condition of passengers direction of lift travel before stopping emergency medical support fault indication hand winding information related to impending movement and opening of doors moving under power passenger safety reassurance as to safety of passengers status of doors warnings about standing near doors and using controls escalators and moving walks components, including: balustrade lighting controller drive chain handrail handrail earthing machine brakes rollers and tension carriage safety devices step/pallet chains steps/pallets/belts track systems truss geared types including rack and pinion and chain, including: application brakes drum efficiency electric prime mover (motor types and control) speed/load characteristics lift car, including: access buttons and indicators communication devices door operator frame safety gear superstructure travelling cable lift components - electro-mechanical employing relay logic components, including: acceleration circuits button circuit directional circuitry door operator circuitry fans floor selector circuitry indicator/lantern circuit key switch circuits mains supply motor room control (selector) power circuits re-levelling circuitry slowing and stopping circuitry well control (transducer) lift components - electro-mechanical safety circuits, including: car door locks car top switch car trap-door limit switch circuit switches are all highlighted emergency stop fire service landing door locks pit switch safety gear switch tappet switch terminal stopping lift components – electrical, including: brushes fuses lamps limit switches motor/generator relays: reverse phase and phase failure selectors tachos terminals transformers lift components - electronic, including: capacitors electronic boards encoders input/output (I/O) board processor board rectifiers resistors selectors transducers lift control circuits using relay logic, including: acceleration, button, indicator/lantern, key switch and power circuits directional, door operator, floor selector, re-levelling and slowing and stopping circuitry fans mains supply motor room control (selector) well control (transducer) lift electrical layout and special requirements, including: colour coding and labelling communication cabling conduits segregation low voltage (LV)/extra-low voltage (ELV) special lift symbols travelling cable troughing lift machine room, including: access controller floor selector governor machine lift pit, including: access buffers compensators safety equipment lift safety circuits, including: car door locks car top switch car trap-door limit switch circuit breakers circuit switches door protection emergency stop fire service governor/switch landing door locks limit switches overloads phase failure relay pit switch reverse phase relay safety gear switch tappet switch terminal stopping lift systems - drive types, construction and operation of passenger, goods and service lifts, including: drive constructions drive types emergency procedures goods passenger rive operations service single and team manual handling lift well equipment, including: counterweights guide rails landing doors and locks limit switches/operating devices ropes roping systems maintenance, replacement and adjustment of mechanical lift components, including: air cords bearings: roller, sleeve, guide shoes and slipper car doors door guides landing doors selectors tapes/chains traction, including: application brakes efficiency electric prime mover (motor types and control) speed/load characteristics relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures sustainable energy principles and practices relevant technical industry standards, regulations, statutory requirements and codes for lifts systems. |