TM 10-3930-671-24 Steering Column & Valve Removal Refer to Section 9.2.  Steering Column & Valve. 1. Disconnect  horn  wire  at  base  of  column,  if  not previously done. Refer to Section 9.  0, NOTE Mark   or   tag   all   hose   fittings   to   the steering gear for reference at reassembly. Thoroughly clean around all fittings before disconnecting hydraulic lines. 2. Loosen and remove steering lines from steering control   unit   fittings.      Cap   ends   to   prevent   oil leakage.  If necessary, tie loose lines to truck out of way. 3. Remove   parking   brake   control   lever   assembly from  upper  steering  column  bracket.    Move  out of way. Refer to Section 7.9, Directional Control Linkage. 4. Remove    fasteners    holding    (lower)    directional control    lever    shaft    bracket    to    steering    gear mounting bracket. 5. Remove  fasteners  from  cap  and  remove  upper directional control lever linkage bracket (clamped to steering column). 6. Remove  directional  control  linkage  assembly  or move out of way. 7. Remove    fasteners    attaching    steering    column bracket to cowl. F-408