TM 10-3930-643-34 STEERING  TROUBLESHOOTING  AND  MAINTENANCE. 9-6. Control Valve and Check Valve. (Sheet REMOVAL WEIGHT  HAZARD Weight of valve assembly is approximately 95 lbs. Use adequate  hoist and sling for removal  and  installation. Keep area clear of unnecessary personnel. Failure to follow this procedure could result in SEVERE INJURY . 28. Attach hoist and sling to valve assembly (42) on right side, under cab. 29. Using a 3/4"   socket and socket wrench handle, remove three nuts (38), washers (39), bolts (40), washers (41) and valve assembly (42). 30. Remove hoist and sling. DISASSEMBLY 31. 32. 33. 34. Using a 1-3/8" socket and socket wrench  handle,  remove plug (43), preformed packing (44), plug (45), preformed packing (46) and plug (47). Discard preformed packings (44 and 46) . Using a 5/8"   socket  and  socket  wrench handle,  remove  three  plugs  (48) and preformed  packings  (49). Discard three  preformed  packings  (49). Using a 1-1/2" socket and socket wrench handle, remove nut (50). Using a scribe, remove items 51 thru 55 as an assembly. 5 of 15) Go to sheet 6 9-41

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