What does a Mechanical Door Repairer do?

Install, service, or repair automatic door mechanisms and hydraulic doors. Includes garage door mechanics.

Jobs Roles

  • Adjust doors to open or close with the correct amount of effort or make simple adjustments to electric openers.
  • Wind large springs with upward motion of arm.
  • Inspect job sites, assessing headroom, side room, or other conditions to determine appropriateness of door for a given location.
  • Collect payment upon job completion.
  • Complete required paperwork, such as work orders, according to services performed or required.
  • Fasten angle iron back-hangers to ceilings and tracks, using fasteners or welding equipment.
  • Repair or replace worn or broken door parts, using hand tools.
  • Carry springs to tops of doors, using ladders or scaffolding, and attach springs to tracks to install spring systems.
  • Set doors into place or stack hardware sections into openings after rail or track installation.
  • Remove or disassemble defective automatic mechanical door closers, using hand tools.
  • Install door frames, rails, steel rolling curtains, electronic-eye mechanisms, or electric door openers and closers, using power tools, hand tools, and electronic test equipment.
  • Assemble and fasten tracks to structures or bucks, using impact wrenches or welding equipment.
  • Run low voltage wiring on ceiling surfaces, using insulated staples.
  • Cut door stops or angle irons to fit openings.
  • Study blueprints and schematic diagrams to determine appropriate methods of installing or repairing automated door openers.
  • Operate lifts, winches, or chain falls to move heavy curtain doors.
  • Order replacement springs, sections, or slats.
  • Bore or cut holes in flooring as required for installation, using hand or power tools.
  • Set in and secure floor treadles for door activating mechanisms; then connect power packs and electrical panelboards to treadles.
  • Lubricate door closer oil chambers and pack spindles with leather washers.
  • Install dock seals, bumpers, or shelters.
  • Fabricate replacements for worn or broken parts, using welders, lathes, drill presses, or shaping or milling machines.
  • Clean door closer parts, using caustic soda, rotary brushes, or grinding wheels.
  • Cover treadles with carpeting or other floor covering materials and test systems by operating treadles.
  • Prepare doors for hardware installation, such as drilling holes to install locks.
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