-
Install electrical wires and controls by attaching conduit along shaft walls from floor to floor and pulling plastic-covered wires through the conduit.
-
Test newly installed equipment to ensure that it meets specifications, such as stopping at floors for set amounts of time.
-
Read and interpret blueprints to determine the layout of system components, frameworks, and foundations, and to select installation equipment.
-
Connect car frames to counterweights, using steel cables.
-
Bolt or weld steel rails to the walls of shafts to guide elevators, working from scaffolding or platforms.
-
Assemble elevator cars, installing each car's platform, walls, and doors.
-
Assemble, install, repair, and maintain elevators, escalators, moving sidewalks, and dumbwaiters, using hand and power tools, and testing devices such as test lamps, ammeters, and voltmeters.
-
Attach guide shoes and rollers to minimize the lateral motion of cars as they travel through shafts.
-
Locate malfunctions in brakes, motors, switches, and signal and control systems, using test equipment.
-
Assemble electrically powered stairs, steel frameworks, and tracks, and install associated motors and electrical wiring.
-
Inspect wiring connections, control panel hookups, door installations, and alignments and clearances of cars and hoistways to ensure that equipment will operate properly.
-
Adjust safety controls, counterweights, door mechanisms, and components such as valves, ratchets, seals, and brake linings.
-
Connect electrical wiring to control panels and electric motors.
-
Cut prefabricated sections of framework, rails, and other components to specified dimensions.
-
Operate elevators to determine power demands, and test power consumption to detect overload factors.
-
Check that safety regulations and building codes are met, and complete service reports verifying conformance to standards.
-
Maintain log books that detail all repairs and checks performed.
-
Participate in additional training to keep skills up to date.
-
Disassemble defective units, and repair or replace parts such as locks, gears, cables, and electric wiring.
-
Install outer doors and door frames at elevator entrances on each floor of a structure.