STANDARD COMPETENCIES

 

 1. Check engine starting/operation (including unusual noises, vibrations, exhaust smoke, etc.); record idle and governed rpm.

 2. Inspect vibration damper, belts, tensioners, and pulleys; check and adjust belt tension; check belt alignment.

 3. Check engine oil level and condition; check dipstick seal.

 4. Inspect engine mounts, fuel tanks, lines, caps, and vents, for looseness and deterioration.

 5. Check engine for oil, coolant, air, fuel, and exhaust leaks (Engine Off and Running).

 6. Check engine compartment wiring harnesses, connectors, and seals for damage and proper routing.

 7. Drain water from fuel system, service water separator/fuel heater; replace fuel filter(s); prime and bleed fuel system.

 8. Check engine exhaust system for leaks, loose mountings, proper routing, and damaged or missing components to include exhaust

    gas recirculation (EGR) system and after-treatment devices, if equipped.

 9. Inspect turbocharger, air induction system, piping, charge air cooler, hoses, clamps, mountings and connections, for air restrictions and leaks.

 10. Check operation of engine compression/exhaust brake.

 11. Service or replace air filter as needed; check and reset air filter restriction indicator.

 12. Inspect and service crankcase ventilation system.

 13. Inspect radiator (including air flow restriction, leaks, and damage) and mountings.

 14. Inspect fan assembly and shroud, and fan clutch operation.

 15. Inspect water pump, and pressure test cooling system and radiator cap.

 16. Inspect coolant hoses, clamps, and coolant recovery system. .

 17. Check coolant for contamination, additive package concentration, and protection level (freeze point), and service coolant filter.

 18. Change engine oil and filters, take an engine oil sample, visually check oil for coolant or fuel contamination;

     inspect and clean magnetic drain plugs.

 19. Inspect key condition and operation of ignition switch.

 20. Check warning indicators, and instruments; record oil pressure and system voltage.

 21. Check operation of electronic power take off (PTO) and engine idle speed controls (if applicable).

 22. Inspect diesel exhaust fluid (DEF) system, to include tanks, lines, gauge pump, and filter.

 23. Inspect selective catalyst reduction (SCR) system; including diesel exhaust fluid (DEF) for proper levels, leaks, mounting and connections.

 

 TOPICAL OUTLINE

 

  I. Diesel Engine Systems

      A. Fuel System

      B. Air Induction and Exhaust System

      C. Cooling System

      D. Lubrication System

 II. Maintenance Programs

      A. Establishing a Maintenance Program

      B. PMI Scheduling

      C. Lubricants

      D. Performing a Lube Job

      E. Winterizing

      F. Out-of-Service or Dead lining a Vehicle