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TRACK  TENSION  CHECK
INCREASING   TRACK   TENSION

TM-9-2350-238-10 Semi Trailer Tank 5000-Gallon Fuel Dispensing Automotive M969A 2 (NSN 2330-01-377-9337) Manual
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TM   9-2350-238-10 TRACK–CONTINUED DECREASING   TRACK   TENSION 1   Drive   vehicle   onto   hard   level   ground. 2   Drive   vehicle   slowly   in   reverse   until   hole Bar   must   not   travel   below through   hub   flange   of   trailing   idler   wheel centerline   of   trailing   idler   arm. is   alined   with   hole   in   eccentric   shaft Ensure   spindle   arm   clearance   is spindle.   Insert   10   in.   (25.4   cm)   of   bar (1)  (item  5,  appx  B)  through  hub  flange correct.   Refer   to   page   3-48. 3 and  into  spindle. Loosen   self-locking   nuts   on   eccentric spindle   screw,   using   socket   wrench   (2) (item   83,   appx   B).   Nuts   are   torqued   to 600   ±   25   ft-lb   (810   ±   34   N-m)   (oiled threads   and   washer).   Drive   wedge   (item 72,  appx  B)  into  joint  to  relieve  tension on   eccentric   spindle. 4   Move   vehicle   slowly   rearward,   rotating bar   and   eccentric   spindle   1/4   to   1/2   turn, and   decrease   track   tension. 5   Remove   wedge   from   spindle.   Tighten   ec- centric   spindle   screws   and   nuts   as   tight as   possible   using   socket   wrench.   As soon   as   possible   have   unit   maintenance personnel   check   and   torque   spindle   nuts to   600   ±   25   ft-lb   (810   ±   34   N-m)   (oil- ed   threads   and   washer). 3-46







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