Maintenance Mechanic apprenticeship

Description of an apprenticeship as a Maintenance Mechanic

Maintenance Mechanic apprenticeship

DOT code: 638.281-014

Visit the Occupational Outlook Handbook for a detailed description of this trade. Type the trade name in the search box and hit enter.


Repairs and maintains, in accordance with diagrams, sketches, operation manuals, and manufacturer's specifications, machinery and mechanical equipment, such as engines, motors, pneumatic tools, conveyor systems, and production machines and equipment, using handtools, power tools, and precision‑measuring and testing instruments: Observes mechanical devices in operation and listens to their sounds to locate causes of trouble. Dismantles devices to gain access to and remove defective parts, using hoists, cranes, handtools, and power tools. Examines form and texture of parts to detect imperfections. Inspects used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, and other measuring instruments. Adjusts functional parts of devices and control instruments, using handtools, levels, plumb bobs, and straightedges. Repairs or replaces defective parts, using handtools and power tools. Installs special functional and structural parts in devices, using handtools. Starts devices to test their performance. Lubricates and cleans parts. May set up and operate lathe, drill press, grinder, and other metalworking tools to make and repair parts. May initiate purchase order for parts and machines. May repair electrical equipment.

Work Process Schedule

Task Hours
A. Tool, crib, tool use, tool maintenance 400
B. Part and component identification and terminology 300
C. Blueprint and diagram interpretation 200
D. Equipment and machinery disassembly 1000
E. Equipment and machinery inspection 1500
F. Diagnosis of operational equipment 600
G. Adjustment of operational equipment 400
H. Lubrication and cleaning of components and equipment 1000
I. Welding, acetylene, and electric 400
J. Preparation of maintenance and service records and documentation 800
K. Lathe drill press 300
L. Hydraulic and electrical connections to mechanical devices 300
M. Safety 300
N. Review and miscellaneous 500
(Every 2,000 hours = one year) total hours: 8000

Related technical instruction

The Commonwealth of Massachusetts requires 150 hours each year of related technical instruction which must be mastered by the apprentice in order to successfully complete the program. The following is a general listing of instruction topics for this trade. For further information, please call the Division of Apprentice Standards at (617) 626-5409.

1. Blueprint reading, sketching, drawing, and technical documentation
2. Related mathematics
3. Science and mechanics
4. Mechanical technology
5. Safety and first aid
6. Industrial and labor relations