TM   10-3930-643-20 STEERING  TROUBLESHOOTING  AND  MAINTENANCE. 10-10. Steering  Valve  to  Control  Valve  and  Cylinders  Hoses,  Lines  and Fittings.   (Sheet   1   of   9) This   task   covers: a.   Removal b . Cleaning/Inspection c . I n s t a l l a t i on INITIAL  SETUP Tools Materials/Parts Shop   Equipment,   Automotive Cleaning   solvent Maintenance   and   Repair: (App.  C,  Item P-D-680 2) Organizational    Maintenance, Common  No.  1,  Less  Power NSN  4910-00-754-0654 Tool  Kit,  General  Mechanic’s Automotive NSN  5180-00-177-7033 1   3/8”   Wrench,   open   end NSN  5120-00-277-2325 Clean-cloth   (App.   C,   Item   10) Detergent   (App.   C,   Item   16) Small  tag  (App.  C,  Item  12) Tie   strap   (2) Preformed   packing   (11) Suitable    container Torques Except   for   special   torques   shown, all   fasteners   are   tightened   to   a standard    torque. Refer   to Appendix   E. EQUIPMENT  CONDITION References Paragraph   14-7 Condition   Description Hydraulic   system   drained. Go  to  sheet  2 10-59