POSITION DESCRIPTION. 25. Description of Major Duties and Responsibilities (SEE ATTACHED) Heavy Mobile Equipment Mechanic WG JGB 17 May 91

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1 2. Reason for Submission Redescription X New POSITION DESCRIPTION 3. Service HQ Field X 1. Agency PDCN F Empl Office Location 5. Duty Station 6. OPM Cert # Reestablishment Other Explanation (Show Positions Replaced) F , F , F , 7. Fair Labor Standards Act Not Applicable F , F8364WOO, F and 10. Position Status Competitive F SES (Gen) SES (CR) Excepted (32 USC 709) X 8. Financial Statements Required Exec Pers Financial Disclosure Employment & Financial Interests 11. Position is Supervisory Managerial 12. Sensitivity Non-Sensitive Noncritical Sens Neither X Critical Sens Special Sens 9. Subject to IA Action Yes X No 13. Competitive Level 14. Agency Use Enlisted 15. Classified/Graded by a. US Office of Pers Mgt b. Dept, Agency or Establishment X c. Second Level Review d. First Level Review Official Title of Position Pay Plan Occupational Code Grade Initials Date Heavy Mobile Equipment Mechanic WG JGB 17 May Organizational Title (If different from official title) 17. Name of Employee (optional) 18. Dept/Agency/Establishment - National Guard Bureau a. First Subdivision - State Adjutant General b. Second Subdivision - Air National Guard 19. Employee Review. This is an accurate description of the major duties and responsibilities of my position. c. Third Subdivision - Resources Management Division d. Fourth Subdivision - Transportation Branch e. Fifth Subdivision - Vehicle Maintenance Section Employee Signature /Date (optional) 20. Supervisory Certification. I certify that this is an accurate statement of the major duties and responsibilities of this position and its organizational relationships, and that the position is necessary to carry out Government functions for which I am responsible. This certification is made with the knowledge that this information is to be used for statutory purposes related to appointment and payment of public funds. False or misleading statements may constitute violations of such statutes or their implementing regulations. a. Typed Name and Title of Immediate Supervisor b. Typed Name and Title of Higher-Level Supervisor/Manager (optional) Signature Date Signature Date 21. Classification/Job Grading Certification: I certify 22. Standards Used in Classifying/Grading Position this position has been classified/graded as required by JGS for Heavy Mobile Equipment Mechanic, WG-5803, dtd Title 5 USC, in conformance with USOPM published standards Jan 91. or, if no published standards apply directly, consistently with the most applicable standards. Typed Name and Title of Official Taking Action JOSEPH G. BENIN Signature //Signed// Date 17 May 91 Information For Employees. The standards and information on their application are available in the personnel office. The classification of the position may be reviewed and corrected by the agency or OPM. Information on classification/job grading appeals is available from the personnel office. 23. Position Review Initials Date Initials Date Initials Date Initials Date Initials Date a. Employee (Opt) b. Supervisor c. Classifier 24. Remarks: CRA Description of Major Duties and Responsibilities (SEE ATTACHED) NSN Previous Edition Usable Optional Form 8 US Office of Personnel Management (USOPM), FPM CHAPTER 295 [Equivalent]

2 25. a. INTRODUCTION: This position is located in the Vehicle Maintenance Section of the Transportation Branch. The purpose of this position is to maintain, repair and modify heavy duty vehicles and mobile equipment, including, but not limited to, materiel handling, fire fighting and base maintenance and refueling systems. b. DUTIES AND RESPONSIBILITIES: (1) Performs major repairs and maintenance on heavy mobile equipment and special purpose vehicles such as: fuel dispensing trucks, crash/structural fire equipment and pump trucks, large runway snow removal vehicles, sweepers, bulldozers, mobile cranes, road graders, heavy construction and earth moving vehicles, backhoes, power shovels, front end loaders and pans and trenchers. Inspects, repairs, overhauls and tests major systems including diesel, turbine gasoline, multi-fuel and other types of internal combustion engines, which may be turbo-charged or blower assisted, automatic or manual transmissions, including those with power take offs, cross-drive transmissions; heavy duty drive line systems and hydraulic, electric or pneumatic special systems and controls, pumping systems, turrets, winches and four wheel steering systems. (2) Diagnoses the cause of mechanical failures by means of visual and auditory checks, test equipment such as engine analyzers, compression testers, voltmeters, ohmmeters and pressure gauges in order to determine the exact nature or extent of repairs or adjustments necessary to complete work. Removes and disassembles engines and major systems/subsystems on fuel, hydraulic, air and oil systems. Makes repairs, overhauls or modifications in accordance with the proper procedures and specifications. Reassembles engines and makes adjustments, tests and reinstalls systems/subsystems in vehicles and equipment. Makes adjustments and repairs to front ends, suspensions and electrical systems. Determines serviceability by operational driving test. (3) Performs body repair and corrosion control, refinishes and repaints surfaces as required. Repairs and/or replaces body parts, locks, glass, etc and determines if additional repairs are required. Repairs may be accomplished by using welding equipment, power tools, hand tools and other specialized equipment. Cleans, tests and repairs radiators/oil coolers and associated parts. Replaces or repairs tires, tubes and balances wheels. (4) Prepares, maintains and submits applicable maintenance work orders for man-hour and data collection accounting, to include completing forms to reflect work performed or delayed and parts and maintenance required. (5) Assists in review and updating maintenance technical orders, shop operating instructions, commercial publications, MAJCOM and local publications, as well as other pertinent directives. 1

3 (6) Assists in establishing and maintaining adequate branch and special stock support levels and appropriate shop support equipment and tools. Uses and maintains all appropriate shop equipment. Researches and assists in requisitioning materials, parts and equipment necessary to perform the vehicle maintenance/management mission. (7) Participates as OJT Instructor in the vehicle maintenance area. Conducts instructional classes on methods and procedures of operation and maintenance concerning all aspects of vehicles and assigned shop maintenance support equipment. Evaluates effectiveness of instruction, maintains individual and section training and qualification records. (8) Assists in conducting the local occupational safety and health training program, to include compliance with directives and procedures for proper disposal of hazardous waste products within the functional area. (9) Operates general and special purpose vehicles and base maintenance and materials handling equipment, as required to support the unit mission. (10) Performs other duties as assigned. c. SKILL AND KNOWLEDGE: Knowledge of the mechanical makeup, operation and working relationships of a variety of heavy duty systems, assemblies and parts, including major systems. Knowledges of how electrical, transistorized, and other nonmechanical systems tie in with and affect the operation of mechanical systems. Troubleshooting skills to determine mechanical defects which cause major systems and their components to fail to operate/perform up to specifications and requirements. Applies skill in using and interpreting results of a wide range of diagnostic and test equipment, i.e. engine analyzers, dynamometers, exhaust analyzers, vacuum and fuel pump testers, injector testers, ignition tuners, tachometers, ammeters and ohmmeters. Uses technical manuals, illustrations, specifications, diagrams, schematics and similar guides to make repair and modifications. Applies skill in measuring, fitting, and installing needed components to clearances which are specified in manuals or instructions. Applies skill in connecting, meshing, aligning and adjusting components to assure effective operations of the complete system or vehicle. d. RESPONSIBILITY: Work is performed with little or no technical advice. Assignments are given in the form of work orders, inspection reports, or verbal instructions. Individual plans work sequences, selects tools, installs, inspects, services, repairs, overhauls, tests all assigned vehicles and otherwise carries assignments through to completion referring only unusual and difficult problems to the supervisor. Guidelines available for 3

4 reference include technical orders and manufacturer's shop manuals, factory and dealer bulletins, automotive journals and standard operating procedures. e. PHYSICAL EFFORT: Work is performed in awkward, tiring and uncomfortable positions. Regularly required to manually lift equipment and components weighing 20 to 60 pounds. Occasionally will manually lift items weighing 75 pounds and with the assistance of other workers or with lifting devices, over 100 pounds. f. WORKING CONDITIONS: Work is conducted inside and outside; in inclement weather, on icy, wet and slippery surfaces, subject to dangers from exposure to toxic fumes, high pressure air and hazardous materials, noise and ultra-violet rays. It may be necessary for the incumbent to wear personal protective equipment while performing maintenance functions. 4

5 [1] EVALUATION STATEMENT A. Title, Series and Grade: Heavy Mobile Equipment Mechanic, WG B. Reference: JGS Heavy Mobile Equipment Mechanic, WG-5803, Jan 91 C. Background: This position was reviewed as part of the process to validate and consolidate similar duties performed at various units. Audits were conducted at a cross-section of units. Although there were differences noted among the various types of units, there were core similarities that formed the basis for this description and corresponded to the evaluation factors applied. D. Series, Title and Grade Determination: 1. Series: The purpose of this position is to determine the cause of malfunctions and to make repairs to a variety of heavy mobile equipment and vehicles, heavy construction and earth moving vehicles, front-end loaders, mobile cranes and heavy special purpose vehicles such as large runway snow removal vehicles, fuel dispensing trucks, fire engine and pump trucks. Equipment has mechanical, hydraulic, pneumatic, and electric or electronic systems, controls or features not commonly found on automobiles and ordinary transport trucks or buses. Mechanical work includes lighter vehicles and simpler equipment. However, the majority of assignments match that described in the WG standard. Therefore this position is allocated to the Heavy Mobile Equipment Mechanic Series, WG Title: The appropriate title for positions in the WG-5803 occupation is Heavy Mobile Equipment Mechanic. 3. Grade: The two factors used in grading positions in the WG series are skill and knowledge, and responsibility. a. Skill and Knowledge: At the WG-8 level in the standard heavy mobile equipment, repairers know when and how to remove, adjust, replace, clean and install a variety of parts, components and accessories such as filters, radiators, bearings, springs, shock absorbers, wheel cylinders, starter motors etc. WG-8 repairers apply a basic understanding of mechanical, electrical and hydraulic theory to heavy duty vehicles. They use basic tools and a small variety of test and measurement devices. They can interpret parts lists, manufacturer's repair manuals, diagrams and electrical schematics. This position diagnoses, repairs, overhauls and modifies heavy mobile equipment, systems and vehicles, by applying a thorough knowledge of the mechanical makeup, operation and working relationships of heavy duty systems, assemblies and parts. This requires a working knowledge of major systems such as diesel, multifuel and gasoline engines, including supercharged and turbocharged engines, turbine engines, automatic and manual transmissions, including cross-drive transmissions. These gear reduction systems require working knowledge 5

6 of torque converters, planetary gears and power takeoffs, drive line assemblies including differentials, power dividers and dual speed axles. Knowledge is required of electrical and electronic systems and accessories, including ignition systems, charging and starting systems and wiring and lighting systems, as well as carbureted and fuel injection systems and emission control systems. This meets the WG-10 level of the standard. Conversely, WG-11 mechanics repair engines, transmissions and major integrated systems that have more moving parts and more systems combined into a single, complex, mechanical assembly that require difficult and unusually precise repairing, fitting and adjusting of moving parts. Although incumbent may assist a higher grade mechanic by repairing, overhauling and maintaining part of a more complicated piece of equipment or vehicle, the work does not involve regular, recurring assignments on major integrated automotive systems such as crossdrive transmissions, dual engines or more complex fuel injection systems, which are typical of the WG-11 level. This type of work meets the WG-10 level of the standard. b. Responsibility: At the WG-8 level in the standard, a higher grade worker or supervisor assigns work orally or through work orders, indicating the nature of the problem. On new assignments or complex repairs involving portions of major assemblies or systems, such as engines or transmissions, the supervisor provides instruction and demonstrates the techniques, methods and procedures to follow. The level of responsibility of this position exceeds that of the WG-8 level of the standard. The incumbent selects the work methods to find and correct mechanical defects and make repairs. The mechanic selects and safely uses proper tools, devices, manuals, references and efficient procedures and techniques. Works on own initiative from work orders or verbal instructions and informs supervisor of changes to anticipated repairs. Work is spot checked for acceptability and adherence to instructions. This matches the WG-10 level of the standard. The WG-11 level is not met, since that level requires the exercise of significantly more judgment and independence in determining the methods and techniques required to solve unusually complex maintenance and repair problems. At that level, mechanics plan and improvise repair procedures, find ways to mechanically and physically adapt or alter items to fit and mesh into systems for which the items were not specifically designed, or find ways to diagnose and correct defects when existing methods and procedures do not give the desired results. Therefore, the WG-10 level of responsibility is appropriate. E. Conclusion: The correct classification of this position is Heavy Mobile Equipment Mechanic, WG Classifier: Joseph G. Benin Center: NGB-PR-EPC Date: 17 May 91 6

POSITION DESCRIPTION 1. Agency PDCN 80159

2. Reason for Submission Redescription New POSITION DESCRIPTION 1. Agency PDCN 80159 3. Service HQ Field X 4. Empl Office Location 5. Duty Station 6. OPM Cert # Reestablishment Other Explanation (Show