TM 10-3930-643-34 STEERING  TROUBLESHOOTING  AND 9-3. Ground  Driven  Steering ASSEMBLY MAINTENANCE. Pump  (S/N  2000 39. Position body (46) against items 55 thru 47 as an assembly. 40. Using a 1/2”   socket, socket wrench handle  and  torque  wrench,  install  two bolts (45). Tighten to 20 lb-ft. 41. Install two new preformed packings (44). 42. Using a wooden dowel, install spool (42), seat (41) and spring (40) in valve (43). 43. Using a 12” adjustable wrench, install  new  preformed  packing (39) and retainer (38). and below). (Sheet 8 of 10) Go to sheet 9 9-21

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