MOS 91A Abrams Tank System Maintainer Duty Descriptions

M1 ABRAMS Systems Maintainer
Performs and supervises Direct Support maintenance on M1A1 Abrams tank and M2A2 Bradley Line Replaceable Units (LRU); performs initial and final inspections on all LRUs and fire control systems; employs applicable testing and diagnostic procedures in accordance with appropriate technical manuals; responsible for the accountability and maintenance of over $300,000 worth of vehicles, special tools and test equipment; responsible for the health, welfare and training of eleven soldiers.

Performs unit maintenance and select on-board direct support tasks i.e., major assembly replacement on M1 tanks to include the turret and fire control; performs all 10 level tasks and supervises lower grade soldiers, and provides technical guidance to the soldiers in the accomplishment of their duties; diagnoses and corrects malfunctions of various subsystems and performs on-board direct support tasks (i.e., major assembly replacement); assists 10 level soldiers with troubleshooting and maintenance tasks on the M1/M1A1 tank.

ABRAMS TANK SYSTEM SUPERVISOR of a Combat Repair Team in support of an Armor Company in a Combined Arms Battalion; provides technical guidance to Leader's and vehicle operators performing maintenance on wheeled and tracked vehicles; supervises vehicle recovery operations; responsible for the health and welfare of three NCOs and eight Soldiers; establishes maintenance priorities and monitors repair procedures and supervises scheduled and unscheduled maintenance on 14 M1A2 Tanks, one M88A2, two M113A3, one 1079 FMTV and one M1074 PLS responsible for equipment valued at over nine million dollars.

91A4O: Abrams Tank Systems Supervisor
Serves as an Abrams Tank Systems Supervisor in a Rapid Deployment Brigade Support Battalion supporting a Combined Arms Battalion with the 3rd Infantry Division; responsible for ensuring the accomplishment of planning, coordinating, directing, and managing organizational maintenance for one M88A2 Heavy Recovery Vehicle, one M113A3 APC, three M1078 LMTVs, six HMMWVs, one M7 Forward Repair System, 14 M1A2 SEP V2 Main Battle Tanks; responsible for the health, welfare, professional development, training, and morale of three Non-Commissioned Officers and nine Soldiers; responsible for tools and equipment valued at over $2,000,000.

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