TM 10-3930-665-13&P Section II  OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES 2-3  PMCS CHART OPERATOR / CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES B - BEFORE D - DURING A - AFTER W - WEEKLY M - MONTHLY I T E M INTERVAL ITEM TO BE INSPECTED INTERVAL PROCEDURE: CHECK FOR AND HAVE REPAIRED.  FILLED.  OR ADJUSTED AS NEEDED EQUIPMENT IS NOT READY/AVAILABLE IF B D A W M 1 * CONVEYOR FRAME Check for cracks, bends, or broken welds a.  Frame welds are cracked or broken. 2 * ELECTRICAL SYSTEM Check  for  frayed  cable  and  broken  plug, switches, or buttons. a.  Power cord is frayed, or plug is damaged. b.  Buttons or switches are cracked or broken 3 * CASTERS Check  that  all  casters  provide  a  positive anti- motion lock a.        Any    caster    is    broken,    or    the    locking mechanism for any caster is damaged. 4 * LIFTER Check that the crank mechanism is free to turn and the locking pins are in place. a.      If   the   crank   mechanism   is   jammed   or broken. b.  If the locking pins are missing, or broken. 5 * LUBRICATION Check that chain is properly oiled.  and lift mechanism is properly greased a.    If  either  the  chain  or  lift  mechanism  is  dry or inadequately lubricated. 6 * LUBRICATION Check that the reducer oil level is adequate a.  If the reducer oil level is below normal. 2-2