Skill Level 1 Maintains (inspects, repairs, tests, and adjusts) gasoline engine systems, bottle cleaning/charging stations, air conditioner electrical systems, air conditioner vapor systems, refrigeration unit electrical systems, portable heater fuel/electrical systems, fire extinguisher rechargers, and fire extinguishers/valves.

Skill Level 2 Perform duties in preceding skill level, supervises lower grade soldiers, and provides technical guidance to the soldiers in the accomplishment of their duties.

Skill Level 3 Perform duties in preceding skill levels. Perform quartermaster and chemical equipment repairer (MOS 63J) duties. Inspects and troubleshoots petroleum, oil, and lubrication equipment, smoke generators, laundry and bath units, chemical equipment, water purification equipment systems, portable forced air heaters, bottle cleaning/charging station, air conditioner units, refrigeration units, and fire extinguisher recharger. Performs maintenance management activities, including production and quality control.