Table  2-1.  Unit  Level  Preventive  Maintenance  Checks  and  Services  for  M113A2  FOV Itern Interval Item  To Procedure Not   Mission No. Be Capable   If Inspected b Semi- Steering   in Check  steering  in  forward  range  and Binding,   grabbing, Annual Forward in  reverse  range. If  earner  does  not unusual   noise,   vi- and Re- make   a   complete   turn   after   steering bration   or   earner verse levers  are  pulled  to  the  left  and  right, fails  to  turn. Range troubleshoot   steering   system   (page 3-176). c Semi- Carner Check  earner  braking.  If  carrier  does Carrier  fails  to  stop. Annual Braking not stop when steering levers are fully depressed,   troubleshoot   differential brake  adjustment  (page  3-176). d Semi- Carner Check  shifting  of  carrier  in  all  ranges. Carrier  fails  to  shift Annual Shifting   in If  carrier  does  not  respond  properly  to into selected range. All  Ranges selected   driving   range,   troubleshoot gear selection system (page 3-1 77). WARNING Failure   to   lock   the   steer- ing  levers  and  block  the road  wheels  can  allow  the carrier  to  move  and  could result   in   injury   or   death. Always  lock  the  steering levers   and   block   road wheels   before   working on   the   carrier. 2 Semi- After   Road Immediately   after   road   test,   cau- Any Class III leak or Annual Test tiously feel all wheel and idler hubs for cold shocks. noticeable   difference   in   temperature between  hubs.  An  overheated  hub  in- dicates  that  bearing  is  out  of  adjust- ment,  poorly  lubricated,  or  damaged. Check  temperature  of  shock  absorb- ers.   They   should   be   warm.   A   cold shock  is  faulty. Visually check inside, outside, and un- derneath  of  carrier  for  fuel,  oil,  or  hy- draulic  leaks. 2-42   Change   3 TM9-2350-261-20-1