TM 5-2090-200-12&PAPPENDIX BMAINTENANCE ALLOCATION CHARTSection I. INTRODUCTIONB-1. Generala. This section provides a general explanation of all maintenance and repair functions authorized at variousmaintenance levels.b. Section II designates overall responsibility for the performance of maintenance functions on the identified end itemor component and the work measurement time required to perform the functions by the designated maintenance level.The implementation of the maintenance functions upon the end item or component will be consistent with the assignedmaintenance functions.c. Section III lists the tools and test equipment required for each maintenance function as referenced from Section II.B-2. Explanation of Columns in Section IIa. Column (1 ). Group Number. Column 1 lists group numbers to identify related components, assemblies,subassemblies, and modules with their next higher assembly. The applicable groups are listed in the MAC in disassemblysequence beginning with the first group removed.b. Column (2 ). Component/Assembly. This column contains the noun names of components, assemblies,subassemblies and modules for which maintenance is authorized.c. Column (3 ). Maintenance Functions. This column lists the functions to be performed on the item listed in Column2.The maintenance functions are defined as follows:(1) Inspect. To determine serviceability of an item by comparing its physical, mechanical, and/or electricalcharacteristics with established standards through examination.(2) Test. To verify serviceability and detect incipient failure by measuring the mechanical or electrical characteristicsof an item and comparing those_ characteristics with prescribed standards.(3) Service. Operations required periodically to keep an item in proper operating condition, i.e., to clean(decontaminate), to preserve, to drain, to paint, or to replenish fuel, lubricants, hydraulic fluids, or compressed airsupplies.(4) Adjust. To maintain within prescribed limits, by bringing into proper or exact position, or by setting the operatingcharacteristics to specified parameters.(5) Align. To adjust specified variable elements of an item to bring about optimum or desired performance.(6) Calibrate. To determine and cause corrections to be made or to be adjusted on instruments or test measuringand diagnostic equipments used in precision measurement. Consists of comparison of two instruments, one of which is acertified standard of known accuracy, to detect and adjust any discrepancy in the accuracy of the instrument beingcompared.(7) Install. The act of emplacing, seating, or fixing into position an item, part or module (component or assembly) in amanner to allow the proper functioning of an equipment or system.(8) Replace. The act of substituting a serviceable like type part, subassembly, or module (component or assembly)for an unserviceable counterpart.(9) Repair. The application of maintenance services (inspect, test, service, adjust, align, calibrate, or replace) or othermaintenance actions (welding, grinding, riveting, straightening, facing, remachining or resurfacing) to restoreserviceability to an item by correcting specific damage, fault, malfunction, or failure in a part, subassembly module(component or assembly), end item, or system .(10) Overhaul. That maintenance effort (service/action) necessary to restore an item to a completelyserviceable/operational condition as prescribed by maintenance standards (i.e., DMWR) in appropriate technicalpublications. Overhaul is normally the highest degree of maintenance per- formed by the Army. Overhaul does notnormally return an item to like new condition.(11) Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment to a likenew condition in accordance with original manufacturing standards. Rebuild is the highest degree of materielmaintenance applied to Army equipment. The rebuild operation includes the act of returning to zero thoseB-1
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