0059 00TM 1-6625-724-13&P0059 00-4Fault location/troubleshooting–The process ofinvestigating and detecting the cause of equipmentmalfunctioning; the act of isolating a fault within asystem or Unit Under Test (UUT).Disassembly/assembly – The step-by-step breakdown(taking apart) of a spare/functional group coded item tothe level of its least component that is assigned anSMR code for the level of maintenance underconsideration.Actions – Welding, grinding, riveting, straightening,facing, machining, and/or resurfacing.10. Overhaul. That maintenance effort (service/action) prescribed to restore an item to a completelyserviceable/operational condition as required by maintenance standards in appropriate technicalpublications. Overhaul is normally the highest degree of maintenance performed by the Army. Overhauldoes not normally return an item to like-new condition. 11. Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment to alike-new condition in accordance with original manufacturing standards. Rebuild is the highest degree ofmaterial maintenance applied to Army equipment. The rebuild operation includes the act of returning tozero those age measurements (e.g., hours/miles) considered in classifying Army equipment/components.Explanation of Columns in the MACColumn (1) – Group Number. Column (1) lists Functional Group Code (FGC) numbers, the purpose of which is toidentify maintenance of significant components, assemblies, subassemblies, and modules with the Next HigherAssembly (NHA). End item group number shall be "00".Column (2) – Component/Assembly. Column (2) contains the item names of components, assemblies,subassemblies, and modules for which maintenance is authorized.Column (3) – Maintenance Function. Column (3) lists the functions to be performed on the item listed in Column (2).(For detailed explanation of these functions, refer to “Maintenance Functions” outlined above.)Column (4) – Maintenance Level. The Maintenance Levels AVUM, AVIM and DEPOT are listed on the MAC withindividual columns that include work times for maintenance functions at each maintenance level. Work timepresentations such as “0.1” indicate the average time (expressed as man-hours in whole hours or decimals) itrequires a maintenance level to perform a specified maintenance function. If a work time has not been established,the columnar presentation will indicate “—.” Maintenance levels higher than the level of maintenance indicated areauthorized to perform the indicated function.Column (5) – Tools and Equipment Reference Code. Column (5) specifies, by code, those common tool sets (notindividual tools), common TMDE, and special tools, special TMDE and special support equipment required to performthe designated function.Column (6) – Remarks Code. When applicable, this column contains a letter code, in alphabetic order, which is keyedto the remarks.Explanation of Columns in Tool and Test Equipment RequirementsColumn (1) – Tool or Test Equipment Reference Code. The tool or test equipment reference code correlates with acode used in column (5) of the MAC.Column (2) – Maintenance Level. The lowest level of maintenance authorized to use the tool or test equipment.Column (3) – Nomenclature. Name or identification of the tool or test equipment.Column (4) – National Stock Number (NSN). The NSN of the tool or test equipment.Explanation of Columns in the RemarksColumn (1) – Remarks Code. The code recorded in column (6) of the MAC.Column (2) – Remarks. This column lists information pertinent to the maintenance function being performed asindicated in the MAC.
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