TM5-6115-585-12 NAVFAC   P-8-262-12 TO-35C2-3-455-1 TM-05684C-12 APPENDIX C MAINTENANCE  ALLOCATION  CHART Section  I.  INTRODUCTION 1. GENERAL. a.  This  section  provides  a  general  explanation  of  all maintenance   and   repair   functions   authorized   at   various maintenance   levels. b.   Section   II   designates   overall   responsibility   for the   performance   of   maintenance   functions   on   the identified   end   item   or   component.   The   implementation of   the   maintenance   functions   upon   the   identified   end item   or   component   will   be   consistent   with   the   assigned maintenance     functions. c.   Section   III   lists   the   tools   and   test   equipment required   for   each   maintenance   function   as   refer- enced   from   Section   II. d.   Section   IV   contains   supplemental   instructions   or explanatory   notes   required   for   a   particular   mainten- ance   function. 2. EXPLANATION OF COLUMNS IN SECTION II. a.   Group   Number.   Column   1.   The   assembly   group number   is   a   numerical   group   assigned   to   each   assem- bly.   The   assembly   groups   are   listed   on   the   MAC   in disassembly   sequence   beginning   with   the   first   assem- bly  removed  in  a  top  down  disassembly  sequence. b.   Assembly   Group.   Column   2.   This   column   con- tains   a   brief   description   of   the   components   of   each assembly   group. c.   Maintenance   Functions.   Column   3.   This   column lists   the   various   maintenance   functions   (A   through   K). The   upper   case   letter   placed   in   the   appropriate column   indicates   the   lowest   maintenance   level   author- ized   to   perform   these   functions.   The   active   repair time   required   to   perform   the   maintenance   function   is included   directly   below   the   symbol   identifying   the category   of   maintenance.   The   symbol   designations   for the   various   maintenance   levels   are   as   follows: C   -   Operator   or   Crew O   -   Organizational   Maintenance F   -   Direct   Support   Maintenance H   -   General   Support   Maintenance D   -   Depot   Maintenance The    maintenance A  -  INSPECT. functions   are   defined   as   follows: To   determine   serviceability   of   an item   by   comparing   its   physical,   mechanical   and electrical    characteristics    with    established    standards. B  -   TEST.  To   verify   serviceability   and   to   detect electrical   or   mechanical   failure   by   use   of   test   equip- ment. C   -   SERVICE.   To   clean,   to   preserve,   to   charge   and to   add   fuel,   lubricants,   cooling   agents   and   air.   (If   it   is desired   that   elements,   such   as   painting   and   lubri- cating,   be   defined   separately,   they   may   be   so   listed.   ) D  -  ADJUST.   To   rectify   to   the   extent   necessary   to bring   into   proper   operating   range. E   -  ALIGN.   To   adjust   specified   variable   elements of  an  item  to  bring  to  optimum  performance. F   -   CALIBRATE.   To   determine   the   corrections   to be   made   in   the   readings   of   instruments   or   test   equip- ment   used   in   precise   measurement.   Consists   of   the comparison   of   two   instruments,   one   of   which   is   a certified   standard   of   known   accuracy,   to   detect   and adjust   any   discrepancy   in   the   accuracy   of   the   instru- ment   being   compared   with   the   certified   standard. G   -   INSTALL.   To  set-up  for  use  in  an  operational environment   such   as   an   emplacement,   site   or   vehicle. H  -  REPLACE.   To   replace   unserviceable   items   with serviceable   like   items. I  -  REPAIR.   Those   maintenance   operations   neces- sary   to   restrore   an   item   to   serviceable   condition through   correction   of   material   damage   or   a   specific failure.   Repair   may   be   accomplished   at   each   level   of maintenance. J   -   OVERHAUL.   Normally,   the   highest   degree   of maintenance   performed   by   the   Army   in   order   to minimize   time   work   is   in   process   consistent   with quality   and   economy   of   operation.   It   consists   of   that maintenance   necessary   to   restore   an   item   to   com- pletely   serviceable   condition   as   prescribed   by   main- tenance   standards   in   technical   publications   for   each item   of   equipment.   Overhaul   normally   does   not   return an   item   to   like   new,   zero   mileage   or   zero   hour   con- dition. K   -   REBUILD.   The   highest   degree   of   material maintenance.   It   consists   of   restoring   equipment   as nearly   as   possible   to   new   condition   in   accordance   with C-1