TM 10-5410-284-13&PTM 10602A-13&PLIGHTWEIGHT MAINTENANCE ENCLOSURE (LME)0029 00MAINTENANCE ALLOCATION CHART0029 00-1INTRODUCTION.The Army Maintenance System MACThis introduction provides a general explanation of all maintenance and repair functions authorized atvarious maintenance levels under the standard Army Maintenance System concept.The MAC (immediately following the introduction) designates overall authority and responsibility for theperformance of maintenance functions on the identified end item or component. The application of themaintenance functions to the end item or component shall be consistent with the capacities andcapabilities of the designated maintenance levels, which are shown on the MAC in column (4) as:Unit - includes two subcolumns, C (operator/crew) and O (unit) maintenanceDirect Support - includes an F subcolumnGeneral Support - includes an H subcolumnDepot - includes a D subcolumnThe tools and test equipment requirements (immediately following the MAC) list the tools and testequipment (both special tools and common tool sets) required for each maintenance function asreferenced from the MAC.The remarks (immediately following the tools and test equipment requirements) contain supplementalinstructions and explanatory notes for a particular maintenance function.Maintenance FunctionsMaintenance functions will be limited to and are defined as follows:Inspect. To determine the serviceability of an item by comparing its physical, mechanical, and/orelectrical characteristics with established standards through examination (e.g., by sight, sound, or feel.)Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic, or electricalcharacteristics of an item and comparing those characteristics with prescribed standardsService. Operations required periodically to keep an item in proper operating condition, i.e. to clean(includes decontaminate, when required), to preserve, to drain, to paint, or to replenish fuel, lubricants,chemical fluids, or gases.Adjust. To maintain or regulate, within prescribed limits, by bringing into proper or exact position, or bysetting the operating characteristics to specified parameters.Align. To adjust specified variable elements of an item to bring about optimum performance. Calibrate. To determine and cause corrections to be made, or to be adjusted on instruments, tests,measuring, and diagnostic equipment used in precision measurement. Consists of comparisons of twoinstruments, one of which is a certified standard of known accuracy, to detect and adjust any discrepancyin the accuracy of the instrument being compared.
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