Air Force Enlisted Job Descriptions

3E4X1 - Water and Fuels Systems Maintenance

Specialty Summary: Installs, inspects, maintains, troubleshoots, repairs, and modifies liquid fuel storage, distribution, and dispensing systems. Related DoD Occupational Subgroup: 720.

Duties and Responsibilities:

Installs, repairs and maintains liquid fuel storage, distribution, and dispensing systems. Manages and modifies liquid fuel systems and components. Checks components for operation, adjustment, pressures, and internal and external leaks under pressure.

Troubleshoots malfunctions. Uses drawings and schematics to analyze and isolate malfunctions. Modifies equipment for specific missions or to increase efficiency. Performs recurring maintenance and seasonal overhaul on systems and components.

Advises on problems installing and repairing of liquid fuel storage, distribution, and dispensing equipment and systems. Solves complex maintenance problems by studying layout drawings, wiring and schematic drawings, and by analyzing construction and operating characteristics. Develops and establishes operation and maintenance procedures to ensure maximum efficiency.

Performs planning activities. Performs facility surveys. Surveys proposed work to determine resource requirements. Prepares cost estimates for in-service work. Applies engineered performance standards to plan and estimate jobs. Coordinates plans and other activities.

Specialty Qualifications:


Knowledge is mandatory of: principles of hydraulic, electrical, and mechanical theory and principles that apply to liquid fuel systems; emergency first aid; physiological effects, characteristics, and hazards of liquid fuel products; and use and interpretation of wiring and schematic diagrams, blue prints, and environmental regulations for fuels and hazardous materials.

Education. For entry into this specialty, completion of high school with courses in physics is desirable.

Training: For award of AFSC 3E432, completion of a basic liquid fuel systems maintenance course is mandatory.

Experience: The following experience is mandatory for award of the AFSC indicated: (Note: See Explanation of Air Force Specialty Codes).

3E452. Qualification in and possession of AFSC 3E432. Also, experience in functions such as installation, mainte
nance, and repair of liquid fuel systems and components.

3E472. Qualification in and possession of AFSC 3E452. Also, experience in performing or supervising functions such as installation, maintenance, and repair of liquid fuel systems and components.

Other. The following are mandatory as indicated:

For entry into this specialty, normal color vision as defined in AFI 48-123, Medical Examination and Standards.

For entry, award, and retention of these AFSCs, qualification to operate government vehicles according to AFI 24-301, Vehicle Operations.

Deployment Rate for this AFSC

Strength Req: G

Physical Profile: 333223

Citizenship: No

Required Appitude Score : M-44 (Changed to M-47, effective 1 Jul 04).

Technical Training:

Course #: J3ABR3E432 003

Length (Days): 43

Location: S

Possible Assignment Information