Job Description

Job Description

Job Description

HEAVY DUTY DIESEL MECHANIC

Under general supervision the Heavy-Duty Equipment Mechanic assigned to the Fleet

Operations Division of the General Services Department will perform duties related to

the preventative maintenance, repair, and overhaul of the City’s medium/heavy duty

trucks, on/off road equipment, including but not limited to emergency vehicles, park

maintenance equipment, construction equipment, and generators (both stationary and

mobile). Work is performed on vehicles and equipment that is owned by the City of

Detroit.

Examples of Duties

• Follow all safety procedures within local, state, and federal guidelines.

• Ensure a clean and safe work environment.

• Operate a variety of hand tools, power tools, and diagnostic equipment such as

computerized diagnostic devices and engine analyzers.

• Staying up to date with continual education and new technology.

• Participation in training sessions, workshops, & courses to manage and advance

skills.

• Recommend preventive maintenance for equipment to ensure optimal

performance and reduce down time.

• Preventative maintenance shall include but is not limited to checking and

changing oil and filters, lubing and greasing specified areas, checking fluids,

inspecting & adjusting brakes and steering.

• Inspect parts for wear and damage

• Repair or replace faulty parts, including engines, transmissions, brakes, steering,

wheel bearings, and electrical components.

• Repair or replace components on winches such as cables, ropes, and gears.

• Repair, replace, install, and overhaul on/off road equipment, medium/heavy duty

trucks, and related component parts such as diesel, gasoline, electric, alternative

fuel engines, carburetors, fuel injection systems, transmissions, hydraulic, and

electrical systems.

• Maintenaning and repairs of hydraulic pumps, pneumatics, reservoirs, actuators,

hoses, pumps, valves, and controls.

• Repair and maintenance of motors shall include but is not limited to hoses,

cylinders, power sources, accumulators, relief valves.

• Maintenance of after-treatment components shall include but are not limited to

diagnostic and repair of diesel oxidation catalyst (DOC), diesel particulate

filter(DPF), diesel exhaust fluid injection(DEF), and selective catalyst reduction

(SCR). Page 9 of 11

• Repair and maintenance of braking systems shall include but are not limited to,

(air) compressors, brake chambers, drums, slack adjusters, dryers, air tank, foot

valves, brake lines, safety valves, master cylinder, wheel cylinder, rotors, brakes

boosters, calipers, and related sensors.

• Diagnose mechanical and emissions failures shall include but are not limited to,

pumps, converters, air circulation systems, either visually or by using electronic

testing instruments.

• Repairing and rebuilding of engines shall include but are not limited to, replacing

head gaskets, water pumps, and vacuum pumps.

• Repair of differentials and drive systems shall include but are not limited to, axles,

tandem axles, jake brake, seals, and bearing.

• Repairs and maintenance of fuel injection systems shall include but are not

limited to, injectors, filters, tanks, lines, sensors, engine valves, pumps, and other

major heavy equipment components.

Requirements

The preferred candidate must posses the abilitly to perform specified tasks on the

computerized system; diagnose and locate mechanical and safety problems, and

determine appropriate corrective action. The capability to repair, replace, and overhaul

on/off road heavy equipment and medium/heavy trucks, including emergency vehicles,

man lift vehicles, park maintenance equipment, road maintenance equipment,

construction equipment, generators (both stationary and mobile), and related

component parts without supervision. Possess the ability to operate hand tools such as

electrical testing instruments. The ability to read and write English, interpret

manufacturers' specifications, use computer to organize dates and generate reports,

perform arithmtic calculations, follow oral and written instructions. A qualified

candidate is able to work effectively with customers and vendors; operate in various

working environments, weather conditions, and on weekends.

JOB PREREQUISITES, LICENSES, & CERTIFICATIONS

• Must be presently authorized to work in the United States on a full-time basis.

• State of Michigan Class "B" commercial driver's license (with B endorsement) is

preferred.

• Must be State certified in 2 or more of the following:

• HD Engine Repair

• HD Braking Systems

• HD Suspension & Steering Systems

• HD Electrical Systems Page 10 of 11

Special Requirements: Posses small and large hand tools, rolling tool storage, and

power/air tools necessary to perform all assigned work.

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