TM   10-3930-643-20 STEERING TROUBLESHOOTING 10-4. Steering    Linkage. ADJUSTMENT   (cont) 49. Using   a   1-1/2”   open AND  MAINTENANCE.  (cont) (Sheet   8   of   8) end wrench, remove   left   side   plug   and   preformed packing   from   steering   control   valve. Discard   preformed   packing. 50. Install   3000   psi   pressure   gage. 51. Start   engine,    t u r n    v e h i c l e    t o    f u ll left   turn   and   observe   pressure   gage. If   pressure   does   not   drop   below   400 psi,   adjust   pitman   arm   stop   until   it does. NOTE Release   steering   wheel   once   full turn   is completed. Slight linkage  bind  may  occur  and  small wheel   movement   will   relieve   bind and   give   more   accurate pressure reading. Forward   and   reverse movement   of v e h i c le may   be necessary   to   relieve   tire   squeeze and   give   more   accurate   reading. 52. Stop   engine   and   relieve   hydraulic pressure.   Refer   to   step   48. 53. Using   a   1-1/2”   open   end   wrench, remove   pressure   gage   and   install new   preformed   packing   and   plug. 54. Repeat   steps   49   thru   51   for   right s i d e . NOTE Return   M10A   Forklift   to   original equipment  condition. END   OF   TASK 10-18

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