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SUPPLY CATALOGS - TM-55-1945-205-10-2_526
Explanation of Columns in the MAC - TM-55-1945-205-10-2_528

TM-55-1945-205-10-2 Water Purification Barges NSN (1930-01-234-2165) Volume 9-3 Electric Power System Manual
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TM 55-1945-205-10-2 0116 00 1 0116 00 OPERATOR MAINTENANCE ROLL-ON/ROLL-OFF DISCHARGE FACILITY MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION The Army Maintenance System MAC This introduction provides a general explanation of all maintenance and repair functions authorized at various levels under the standard Army Maintenance System concept. The MAC (immediately following the introduction) designates overall authority and responsibility for the performance of maintenance functions on the identified end item or component. The application of the maintenance functions to the end item or component shall be consistent with the capacities of the designated maintenance levels, which are shown on the MAC in column (4) as: Unit - includes two sub-columns, C (operator/crew) and O (unit) maintenance. Direct Support - includes an F sub-column. General Support - includes an H sub-column. Depot - includes a D sub-column. The tools and test equipment requirements, immediately following the MAC, if applicable, list the tools and test equipment, both special tools and common tool sets, required for each maintenance function as referenced from the MAC. The remarks, immediately following the tools and test equipment requirements, if applicable, contain supplemental instructions and explanatory notes for a particular maintenance function. Maintenance Functions Maintenance functions are limited to and defined as follows: 1. Inspect. To determine the serviceability of an item by comparing its physical, mechanical, and/or electrical characteristics with established standards through examination, e.g., by sight, sound or feel. This includes scheduled inspection and gauging and evaluation of cannon tubes. 2. Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic or electrical characteristics of an item and comparing those characteristics with prescribed standards on a scheduled basis, i.e., load testing of lift devices and hydrostatic testing of pressure hoses. 3. Service. Operations required periodically to keep an item in proper operating conditions; e.g., to clean, includes decontaminate, when required, to preserve, to drain, to paint, or to replenish fuel, lubricants, chemical fluids or gases. This includes scheduled exercising and purging of recoil mechanisms. 4. Adjust. To maintain or regulate, within prescribed limits, by bringing into proper position, or by setting the operating characteristics to specified parameters. 5. Align. To adjust specified variable elements of an item to bring about optimum or desired performance.







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