ARMY TM 10-8340-211-13AIR FORCE TO 35E5-1-101h. Replace. To remove an unserviceable item and install a serviceable counterpart in its place. "Replace" isauthorized by the MAC and is shown as the 3d position code of the SMR code.i. Repair. The application of maintenance services, including fault location/troubleshooting, removal/installation, and disassembly/assembly procedures, and maintenance actions to identify trouble and restore serviceabilityto an item by correcting specific damage, fault, malfunction, or failure in a part, subassembly, module (component orassembly), end item, or system.j. Overhaul.That maintenance effort (service/action) prescribed to restore an item to a completelyserviceable/operational condition as required by maintenance standards in appropriate technical publications (i.e.,DMWR). Overhaul is normally the highest degree of maintenance performed by the Army. Overhaul does not normallyreturn an item to like new condition.k. Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment to likenew condition in accordance with original manufacturing standards. Rebuild is the highest degree of materielmaintenance applied to Army equipment. The rebuild operation include the act of returning to zero those agemeasurements (hours/miles, etc.) considered in classifying Army equipment/components.B-3. Explanation of Columns in the MAC, Section IIa. Column1.GroupNumber. Column 1 lists functional group code numbers the purpose of which is to identifymaintenance significant components, assemblies, subassemblies, and modules with the next higher assembly. End itemgroup shall be "00".b. Column2.Component/Assembly. Column 2 contains the names of components, assemblies,subassemblies, and modules for which maintenance is authorized.c. Column3Maintenance/Function. Column 3 lists the functions to be performed on the item listed in Column2. (For detailed explanation of these functions, see paragraph B-2).d. Column4.MaintenanceLevel. Column 4 specifies, by the listing to work time figure in the appropriatesubcolumn(s), the level of maintenance authorized to perform the function listed in Column 3. This figure represents theactive time required to perform the function listed in indicated level of maintenance. If the number or complexity of thetasks within the listed maintenance function vary at different maintenance levels, appropriate work time figures will beshown, for each level. The work time figure represents the average time required to restore an item (assembly,subassembly, component, module and item, or system) to a serviceable condition under typical field operatingconditions. this time includes preparation time (including any necessary disassembly/ assembly time),troubleshooting/fault location time, and quality assurance/quality control time in addition to the time required to performthe specific tasks identified for the maintenance functions authorized in the maintenance allocation chart. The symboldesignations for the various maintenance levels are as follows:`C-Operator or crew`O-Unit Maintenance`F-Direct Support Maintenance`H-General Support Maintenance`D-Depot MaintenanceeColumn5.ToolsandEquipment. Column 5 specifies by code, those common tools sets (not individualtools) and special tools, TMDE, and support equipment required to perform the designated function.B-2
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