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Army MOS 91A M1 Abrams Tank System Maintainer          

The Army fields a large force of M1 Abrams tanks that are an integral part of our warfighting capability. The
Abrams Systems Maintainer is an integral member of the team that's responsible for keeping these weapons
operating properly. The M-1 Abrams Tank System Maintainer is primarily responsible for supervising and
performing maintenance on Abrams tanks. Some of your duties as an M-1 Abrams Systems Maintainer may
include:

Diagnose and troubleshoot malfunctions
Perform 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, Perform organizational maintenance vehicular mounted armament, gun turret
drive system and the fire control system on the M1 tank

Training
Job training for an M-1 Abrams Tank Systems Maintainer requires nine weeks of Basic Training, where
you'll learn basic Soldiering skills, and 14 weeks of Advanced Individual Training. Part of this time is
spent in the classroom and part in the field. Some of the skills you'll learn are:

Electronic and mechanical principles and concepts
Use of electronic, electrical and mechanical test equipment
Use of schematics, drawings and wiring diagrams
Operation, testing and maintenance of weapons systems

Advanced Responsibilities
Advanced level M-1 Abrams Tank Systems Maintainers provide guidance, supervises and trains other
Soldiers within the same discipline. As an advanced level M-1 Abrams Tank Systems Maintainer, you
may be involved in:

Diagnose and correct malfunctions of various subsystems, performs on-board direct support tasks
i.e., major assembly replacement, Assist Soldiers with troubleshooting and maintenance tasks on the M1 tank
Supervise recovery operations and performs battlefield damage assessment and repair (BDAR)
Supervise the inspection and troubleshooting of M1 Abrams automotive and armament systems

Related Civilian Jobs
The skills you learn as an M-1 Abrams Tank System Maintainer will help prepare you for a future as an
electronic mechanic, an avionics technician or a missile facilities repairer with civilian firms that design,
build and test weapons for the military.

Related Army Positions
Armament Repairer (91K)
Artillery Mechanic (91P)
Fire Control Repairer (91G)
Bradley Fighting Vehicle System Maintainer (91M)


See Promotion Points for MOS 91A
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