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APPENDIX B MAINTENANCE ALLOCATION CHART - TM-5-4220-233-14_194
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III - TM-5-4220-233-14_196

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TM 5-4220-233-14 i. Repair.       The    application    of    maintenance    services,    including    fault    location/troubleshooting, removal/installation, and disassembly/assembly procedures, and maintenance actions to Identify troubles and restore   serviceability   to   an   item   by   correcting   specific   damage,   fault,   malfunction,   or   failure   in   a   part, subassembly, module (component or assembly), end item, or system. j. Overhaul.   That maintenance effort (service/action) prescribed to restore an item to a completely serviceable/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 normally return an item to like new condition. k. Rebuild.     Consists   of   those   services/actions   necessary   for   the   restoration   of   unserviceable equipment to a like new condition in accordance with original manufacturing standards.  Rebuild is the highest degree of materiel maintenance applied to Army equipment.  The rebuild operation includes the act of returning to zero those age measurements (hours/miles, etc.) considered in classifying Army equipment/components. B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION II. a. Column 1, Group Number .  Column 1 lists functional group code numbers, the purpose of which is  to  identify  maintenance  significant  components,  assemblies,  subassemblies,  and  modules  with  the  next higher assembly.  End item group number shall be “00."  The order of the equipment tasks is consistent with the Logistic Control Number (LCN) sequence. b.    Column  2,  Component/Assembly .    Column  2  contains  the  names  of  components,  assemblies, subassemblies, and modules for which maintenance is authorized. c. Column  3,  Maintenance  Function .   Column  3  lists  the  functions  to  be  performed  on  the  item listed In Column 2.  (For a detailed explanation of these functions, refer to paragraph B-2). d. Column  4,  Maintenance  Level.   Column  4  specifies,  by  the  listing  of  a work  time  figure  In  the appropriate subcolumn(s), the level of maintenance authorized to perform the function listed in Column 3.  This figure  represents  the  active  time  required  to  perform  that  maintenance  function  at  the  indicated  level  of maintenance.  If the number or complexity of the tasks within the listed maintenance function vary at different maintenance   levels,   appropriate   work   time   figures   will   be   shown   for   each   level.      The   work   time   figure represents  the  average  time  required  to  restore  an  item  (assembly,  subassembly,  component,  module,  end item,   or   system)   to   a   serviceable   condition   undertypical   field   operating   conditions.      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 perform the specific tasks identified for the  maintenance  functions  authorized  In  the  Maintenance  Allocation  Chart.    The  symbol  designations  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 Maintenance e. Column 5, Tools and Equipment .   Tools  and  tool  kits  are  listed  in  "item"  numeric  sequence  in Section III.  Chapters 3 through 6 identify specific tools for each procedure.  National Stock Numbers for each item are, also, listed in Section III. f. Column  6,  Remarks.   This  column  shall,  when  applicable,  contain  a  letter  code,  in  alphabetic order, which shall be keyed to the remarks contained in Section IV. B-2







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