7F03
HEAVY DUTY VEHICLE MAINTENANCE TECHNICIAN

This is advanced level work in the maintenance and repair of a wide variety of medium and heavy duty and complex vehicles and related equipment. This class is differentiated from the Automotive Maintenance Technician class by the maintenance and repair of medium and heavy duty vehicles with a gross vehicle weight in excess of 26,001 lbs., including multi-axle compactors, fire apparatus and equipment, which are operated by Equipment Operators II or higher equipment operator classes and include complex auxiliary and control systems. Work involves conditions which can only partially be controlled, substantial physical effort, possible exposure to adverse weather conditions, working in tiring positions and the frequent lifting of heavy material. Instructing lower maintenance personnel in proper vehicle diagnosis, repair, maintenance and inspectional methods, techniques and procedures is a significant aspect of the work. Work is performed under the general supervision of a technical superior.

• The position must perform maintenance and repair work on medium and heavy duty and complex vehicles and related equipment.

Repairs all types of electrical and internal combustion fueled heavy duty and complex vehicles and equipment including trucks, trailers, fire apparatus, tractors, cranes, construction, agriculture, snow and ice control and emergency and marine equipment and their related mechanical, electrical, hydraulic, pneumatic and computerized systems; determines cause of malfunctioning; repairs, replaces and adjusts such parts as brakes, steering systems, pumps, and hydraulic rams and all other heavy duty vehicles parts; tunes engines and aligns wheels.

Rebuilds engines, transmissions, differentials and carburetors and related components; tests rebuilt units for proper operation; analyzes and diagnoses malfunctions in electronic and computerized fuel injection systems.

Instructs lower level maintenance personnel in proper vehicle maintenance and malfunction diagnostic techniques and related repair and inspection methods, techniques and procedures; guides lower level maintenance personnel in performance of vehicle and related equipment maintenance repair work.

Repairs or replaces damaged vehicle frames; adjusts and repairs front and rear wheel and/or multi-wheel drive vehicles; installs, adjusts or repairs air-conditioning systems; performs routine welding and burning tasks in connection with regular vehicle maintenance work; cleans and maintains tools required to complete repairs.

Performs semi-annual and annual state safety inspections and emission inspections of vehicles; performs computerized emissions inspections; performs computerized diagnoses of heavy duty and complex vehicles and their related mechanical, electrical, hydraulic, pneumatic and computerized systems.

Test drives vehicles after repair or maintenance to assure proper operation; performs simple machine shop work relating to preparation and finishing of vehicle maintenance and repair; performs emergency road service; prepares maintenance and repair work orders.

Performs related work as required.

KNOWLEDGE OF:
• the methods, materials, tools and practices of the automotive maintenance trade
• the occupational hazards and safety precautions of the automotive maintenance trade
• the principles of operation of internal combustion engines including diesel engines
SKILL IN:
• locating, adjusting and repairing defects in heavy duty and complex vehicles and related equipment
• the use and care of tools employed in the automotive maintenance trade
• the operation of various types of automotive vehicles including heavy duty and complex vehicles
ABILITY TO:
• use computer diagnostic equipment
• diagnose automotive problems and to test repaired equipment
• use and maintain tools and repair equipment
• read and interpret simple schematics such as hydraulic, pneumatic, electrical, mechanical and computerized systems
• understand and follow oral and written instructions

EDUCATION

Equivalent to completion of the twelfth school grade.

AND
GENERAL EXPERIENCE:

Four years of experience in the automotive mechanic trade.

AND
SPECIFIC EXPERIENCE:

One year of experience at the full performance level diagnosing, maintaining and repairing automotive vehicles and related equipment, which has included experience in the maintenance and repair of heavy duty and complex vehicles and related equipment.

OR


Any equivalent combination of education and experience determined to be acceptable by the Personnel Department that has included the specific experience described above.

• Successful completion of a post high school approved automotive trade school curriculum for a minimum of six months up to a maximum of one year can be equated on a month by month basis for the general experience requirement.
• Candidates have to have been performing automotive maintenance and repair work within five years prior to the date of the exam.

PHYSICAL AND MEDICAL REQUIREMENTS

Ability to physically perform the duties and to work in the environmental conditions required of a position in this class.

Possession of a valid proper class motor vehicle operator's license as issued by the Commonwealth of Pennsylvania prior to exam and during tenure of employment as Heavy Duty Vehicle Maintenance Technician.

Possession of a valid, proper class official safety inspection mechanic's license and a valid, proper class, official emissions control license as issued by the Commonwealth of Pennsylvania prior to exam as a Heavy Duty Vehicle Maintenance Technician. Employees will be required to obtain any license or certification by federal, state or municipal mandate if required by work assignment.

NOTE: Employees are required, at the time of appointment, to possess and maintain a full complement of tools necessary to perform the assigned tasks.