ARMY TM 10-1670-294-23&PAIR FORCE T.O. 13C5-33-2NAVY NAVAIR 13-1-34APPENDIX BMAINTENANCE ALLOCATION CHARTSECTION I. INTRODUCTIONB-1. General.a. This section provides a general explanation of all maintenance and repair functions authorized atvarious maintenance levels.bThe Maintenance Allocation Chart (MAC) In Section II designates overall authority and responsibilityfor the performance of maintenance functions on the Identified end item or component. The application of themaintenance functions to the end Item or component will be consistent with the capacities and capabilities ofthe designated maintenance levels.cSection III lists the tools and test equipment (both special tools and common tool sets) required foreach maintenance function as referenced from Section II.d Section IV contains supplemental Instructions and explanatory notes for a particular maintenancefunction.B-2. Maintenance Functions. Maintenance functions will be limited to and defined as follows.a.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).b. TestTo verify serviceability by measuring the mechanical, pneumatic, hydraulic, or electricalcharacteristics of an item and comparing those characteristics with prescribed standards.c. Service. Operations required periodically to keep an item In proper operating condition, i e., clean(Includes decontaminate, when required), to preserve, to drain, to paint, or to replenish fuel, lubricants,chemical fluids or gases.d.Adjust. To maintain or regulate, within prescribed limits, by bringing into proper or exact position, or bysetting the operating characteristics to specified parameters.e. Aline. To adjust specified variable elements of an item to bring about optimum or desiredperformance.f.Calibrate. To determine and cause corrections to be made or to be adjusted on instruments or test,measuring, and diagnostic equipments used In precision measurement. Consists of comparisons of twoinstruments, one of which Is a certified standard of known accuracy, to detect and adjust any discrepancy In theaccuracy of the Instrument being compared.g. Remove/Install.To remove and install the same item when required to perform service or othermaintenance functions Install may be the act of emplacing, seating or fixing into position a spare, repair part,or module (component or assembly) In a manner to allow the proper functioning of an equipment or system.B-1
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