
Lift and Escalator Mechanic Trade Overview
(Duration: Two Years)
During the two-year training of the Lift and Escalator Mechanic trade, candidates receive comprehensive instruction in professional skills, professional knowledge, engineering drawing, workshop calculation & science, and employability skills. In addition, they undertake project work and participate in extracurricular activities aimed at building confidence and practical exposure.
The course is structured into four semesters, each lasting six months. The semester-wise course coverage is detailed below:
Semester-wise Course Structure
First Semester
- Introduction to safety practices and environmental awareness, including the use of fire extinguishers and artificial respiration techniques.
- Familiarization with trade tools and their standardization.
- Identification and handling of different types of conductors and cables, including skinning, joint making, soldering, and crimping.
- Basic practices in allied trades such as carpentry and fitting work.
- Understanding and application of basic electrical laws including Ohm’s Law, Kirchhoff’s Law, and the laws of resistance and magnetism.
- Testing and maintenance of batteries.
- Hands-on training in the use of analog and digital measuring instruments.
- Basic knowledge of electronic components and their applications.
Second Semester
- Practical training in basic civil and drafting work.
- Use of lifting tools such as hoists, pulleys, and chain blocks; execution of simple welding tasks.
- Panel wiring and installation of various electrical components.
- Study and testing of transformers.
- Operation and maintenance of AC/DC machines, including starting, running, speed control, rotation reversal, and basic maintenance.
- Connection and operation of lift motors through VVVF drives; familiarization with parts and terminals of AC/DC drives.
- Introduction to power electronic devices such as SCR, DIAC, TRIAC, UJT, FET, JFET, and MOSFET.
- Practical work on D/A and A/C converters and controllers.
Third Semester
- Adherence to safety practices specific to elevator and escalator operation.
- Study of the working principles of elevators, escalators, and moving walkways.
- Installation and fixing of elevator components, control systems, and safety circuits.
- Understanding the installation processes, including types of elevator wells, car bottom clearance, landing zones, top over travel, and overhead clearance.
- Study of the construction and parts of escalators and moving walkways.
- Calculations related to alighting areas, pit areas, etc.
- Installation of mechanical components and control equipment for elevators and escalators.
Fourth Semester
- Installation and commissioning of various electrical and electronic control devices, safety devices, control panels, limit switches, and power wiring.
- Conducting checks, testing, and tuning of components; examining safety devices to ensure safe operation of lifts, escalators, and moving walkways.
- Repair and replacement of electrical and electronic components; servicing mechanical parts, including draining and refilling grease and oils.
- Familiarization with the operation and maintenance of auto rescue devices.
Job Roles
Electrician (General)
Installs, maintains, and repairs electrical machinery, equipment, and fittings in various premises including factories, workshops, power houses, and residential and commercial buildings. Responsibilities include:
- Studying drawings and specifications to determine circuit and installation details.
- Installing and wiring motors, transformers, switchgears, switchboards, and lighting fixtures.
- Conducting tests, locating faults, and repairing defective wiring or equipment.
- Operating and maintaining electrical motors, pumps, etc.
Electrical Fitter
Fits and assembles electrical machinery and equipment such as motors, transformers, and switchgears. Key tasks include:
- Studying drawings and wiring diagrams.
- Assembling mechanical and electrical components.
- Wiring, soldering, and testing for continuity, resistance, and safety.
- Installing and maintaining electrical equipment like busbars, panels, and switchgears.
- Diagnosing and repairing breakdowns; periodic maintenance and testing.
Liftman (Lift Operator)
Operates electric lifts to transport passengers or goods between floors in buildings such as offices, hotels, hospitals, and residential complexes. Duties include:
- Operating lift gates and control buttons.
- Ensuring safe and efficient operation.
- Monitoring lift capacity and reporting malfunctions.
Building and Related Electricians (Other)
Includes electricians involved in the installation, maintenance, and repair of electrical systems not otherwise classified.
NSQF Level Compliance
The Mechanic Communication Equipment Maintenance trade under ATS is aligned with NSQF Level 5.
As per the Government of India notification dated 27.12.2013, the National Skill Qualification Framework (NSQF) defines 10 levels. Each level includes outcome statements describing the minimum knowledge, skills, and attributes a learner must acquire for certification.
The NSQF levels are described in terms of five domains:
- Process
- Professional Knowledge
- Professional Skill
- Core Skill
- Responsibility
The learning outcomes of this trade align closely with the descriptors at Level 5.
Learning Outcomes
- Apply safe working practices.
- Comply with environmental regulations and housekeeping standards.
- Interpret and use company and technical communication effectively.
- Demonstrate mathematical concepts and principles in practical operations.
- Understand and explain basic scientific concepts including simple machines.
- Read and apply engineering drawings in the field of work.
- Apply productivity concepts, quality tools, and labor welfare legislation to improve productivity and quality.
- Explain energy conservation, global warming, and pollution; contribute to optimal resource use.
- Explain personal finance, entrepreneurship, and manage tasks for personal and societal growth.
- Utilize basic computer applications and internet tools relevant to industry practices.
Specific Learning Outcomes
First Semester
- Use carpentry tools and perform basic carpentry tasks.
- Conduct basic fitting operations using various instruments and gauges.
- Prepare electrical wire joints; perform soldering, crimping, and insulation resistance measurement.
- Use AC/DC measuring instruments; measure electrical parameters and verify characteristics of circuits.
- Install, test, and maintain batteries.
- Perform wiring and assembly of electrical accessories; ensure proper earthing.
- Assemble and test simple electronic circuits.
Second Semester
- Conduct basic civil and drafting tasks; draw plans relevant to lifts and escalators.
- Use lifting tools/hoists and perform welding and brazing tasks.
- Carry out industrial control panel wiring in compliance with BIS and IE standards.
- Install, operate, and maintain AC/DC machines, including speed control and protective devices.
- Assemble and test power electronic circuits, including digital electronics.
- Control the speed of AC and DC motors using solid-state devices.
Third Semester
- Safely operate lifts, escalators, moving walkways, belt conveyors, and bucket conveyors.
- Install elevators in industries, shopping malls, subways, airports, and multi-story residential buildings.
- Install escalators and moving walkways in various facilities.
Fourth Semester
- Install electrical/electronic control devices, safety devices, control panels, limit switches, and power wiring for lift and escalator systems.
- Perform preventive and breakdown maintenance on lifts, escalators, and moving walkways.
- Conduct system checks, component testing/tuning, examine safety devices, and ensure proper system functioning.