DIESEL MECHANIC 7189

DISTINGUISHING FEATURES OF THE CLASS

Under supervision, an employee in this class is a journeyman diesel mechanic engaged in diagnosing malfunctions of diesel-fueled vehicles and auxiliary equipment, and repairing or replacing parts as necessary. The incumbent uses independent judgment in carrying out assignments after receiving work orders, and is responsible for testing results after completion. The incumbent may supervise lower level mechanics. Does related work as required.

TYPICAL WORK ACTIVITIES

Determines parts requirements, and obtains them from parts storage area or writes parts orders;

Examines diesel-fueled vehicles and equipment, and diagnoses the repair and maintenance requirements;

Attends in-service training sessions provided by manufacturers of equipment in use;

Diagnoses mechanical and electrical problems, disassembles and rebuilds diesel-fueled engines and transmissions, regrinds valves, rewires generators, adjusts diesel-fueled engine timing, repairs hydraulic systems, repairs power brakes and power steering, troubleshoots and repairs diesel fuel injection service and computerized monitoring devices;

Repairs auxiliary equipment used with diesel-fueled vehicles;

Tests diesel-fueled vehicles and equipment to check work results after completion.

FULL PERFORMANCE KNOWLEDGES, SKILLS, ABILITIES AND PERSONAL CHARACTERISTICS

Thorough knowledge of the methods, materials, tools and standard practices of the diesel engine trade; thorough knowledge of the operating and repair characteristics of the wide variety of diesel-fueled equipment utilized; good knowledge of the occupational hazards and safety precautions of the trade; skill in the use and care of tools, machines and testing instruments of the trade; ability to adapt available tools and repair parts to specific repair problems; ability to diagnose malfunctioning of diesel-fueled equipment; ability to execute written instructions and to follow diagrams and sketches; physical condition commensurate with the demands of the position.

MINIMUM QUALIFICATIONS

Either:

a) ASE (Automotive Service Excellence) Medium/Heavy Truck Diesel Engine Certification from the National Institute for Automotive Service Excellence; or,

b) Graduation from a diesel technical college with federally-authorized accreditation or registration by NY State/two-year BOCES diesel engine repair program/other equivalent, and two (2) years of work experience in the repair and rebuilding of mechanical systems and components of diesel-fueled engines; or,

c) Graduation from a standard senior high school or possession of a high school equivalency diploma, and four (4) years of work experience in the repair and rebuilding of mechanical systems and components of diesel-fueled engines.

NECESSARY SPECIAL REQUIREMENT

Possession of the appropriate license issued by the New York State Department of Motor Vehicles. The type of license required will be determined by the appointing authority with respect to the type of vehicle to be operated; license must be maintained throughout employment in this title.

R03/31/23

SUFFOLK COUNTY

Non-competitive