63A: M1 ABRAMS Systems Maintainer

Major Duties: The M1 Abrams systems maintainer supervises and performs unit maintenance and select on-board direct support tasks i.e., major assembly replacement on M1 tanks to include the turret, fire control. Duties for MOS 63A at each skill level are:

• Skill Levels
  • Skill Level 1 MOSC 63A1O. Diagnoses and troubleshoots malfunctions, performs organizational maintenance and on-board direct support tasks on the suspension systems, steering systems, hydraulic systems, auxiliary power units, fire extinguisher/suppression systems, gas particulate systems, vehicular mounted armament, gun turret drive system and the fire control system on the M1/M1A1 tank.
    
    
  • Skill Level 2 MOSC 63A2O. Performs duties in preceding skill level, supervises lower grade soldiers and provides technical guidance to the soldiers in the accomplishment of their duties. Diagnoses and corrects malfunctions of various subsystems, performs on-board direct support tasks i.e., major assembly replacement. Assists skill level 1 soldiers with troubleshooting and maintenance tasks on the M1/M1A1 tank.

Physical demands rating and qualifications for initial award of MOS. The M1 Abrams systems maintainer must possess the following qualifications:

(1) Physical Demands Rating: very heavy

(2) Physical Profile: 222222

(3) Normal color vision.

(4) Minimum score of 100 in aptitude area MM.

(5) Current equipment qualification record for all types of equipment maintained.

(6) Formal training (completion of MOS 63A course conducted under the auspices of the U.S. Army Ordnance Center and School) mandatory.

CLOSED TO WOMEN

The major duties, physical demands, physical profile, and skill levels were obtained from Army Pamphlet 611-21.

MOS List for Ordnance Corps