TM 5-3805-258-24-2j .Overhaul:T h a t m a i n t e n a n c e e f f o r t ( s e r v i c e / a c t i o n)necessary to restore an item to a completely serviceable/operationalcondition as prescribed by maintenance standards (i.e., DMWR) ina p p r o p r i a t e t e c h n i c a l p u b l i c a t i o n s.Overhaul is normally the highestdegree of maintenance performed by the Army.Overhaul does notnormally return an item to like new condition.k.Rebuild:Consists of those services/actions necessary forthe restoration of unserviceable equipment to a like new condition inaccordance with original manufacturing standards.Rebuild is thehighest degree of materiel maintenance applied to Army equipment.Therebuild operation includes the act of returning to zero those agemeasurements (hours/miles, etc.) considered in classifying Armyequipments/components.3.Column entries:Columns used in the Maintenance Allocation Chartare explained below:a.Column 1, Group Number:Column 1 lists group numbers, thepurpose of which is to identify components, assemblies, subassemblies,and modules with the next higher assembly.b.Column 2, Component/Assembly:Column 2 contains the nounnames of components, assemblies, subassemblies, and modules for whichmaintenance is authorized.Column 3, Maintenance Functions:Column 3 lists thefunctions to be performed on the item listed in Column 2.d.Column 4, Maintenance Category:Column 4 specifies, by thelisting of a "work time" figure in the appropriate subcolumn(s), thelowest level of maintenance authorized to perform the function listedin Column 3.This figure represents the active time required toperform that maintenance function at the indicated category ofmaintenance.If the number or complexity of the tasks within thelisted maintenance function vary at different maintenance categories,a p p r o p r i a te "work time" figures will be shown for each category.Thenumber of manhours specified by the "work time" figure represents theaverage time required to restore an item to a serviceable condition.This time includes preparation time, troubleshooting time, and qualityassurance/quality control time in addition to the time required toperform the specific tasks identified in the Maintenance AllocationChart.Column 5. Tools and Equipment:Column 5 specifies by codethose common tool sets (not individual tools) and special tools, t e s tand support equipment required to perform the designated function.e.f .Column 6. Remarks: Column 6 contains an alphabetic codewhich leads to the remark in Section IV, Remarks, which is pertinent tothe item opposite the particular code.B-2
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