Millwrights install, maintain, repair and troubleshoot stationary industrial machinery and mechanical equipment in sites such as factories, production plants and recreational facilities. On a typical job, millwrights:
read diagrams and schematic drawings and service manuals to determine work procedures
operate rigging equipment and dollies to place heavy machinery and parts
fit bearings, align gears and shafts, attach motors, and connect couplings and belts to precise tolerances
align and test equipment, and make any necessary adjustments
perform predictive and operational maintenance using procedures such as vibration analysis, and repair or replace defective parts when necessary
service and repair hydraulic, pneumatic and programmable logic controls
may do some tack welding and fabrication as well as maintain an inventory of replacement parts