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
computerized diagnostic devices and engine analyzers.
skills.
performance and reduce down time.
changing oil and filters, lubing and greasing specified areas, checking fluids,
inspecting & adjusting brakes and steering.
wheel bearings, and electrical components.
trucks, and related component parts such as diesel, gasoline, electric, alternative
fuel engines, carburetors, fuel injection systems, transmissions, hydraulic, and
electrical systems.
hoses, pumps, valves, and controls.
cylinders, power sources, accumulators, relief valves.
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
(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.
pumps, converters, air circulation systems, either visually or by using electronic
testing instruments.
head gaskets, water pumps, and vacuum pumps.
tandem axles, jake brake, seals, and bearing.
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
preferred.
Special Requirements : Posses small and large hand tools, rolling tool storage, and
power / air tools necessary to perform all assigned work.
Heavy Duty Mechanic • Detroit, MI, US