TM 10-3930-671-24 Horn Button & Steering Wheel Reassembly (As Required) 1. Install steering wheel on steering column shaft. 2. Install steering wheel retaining nut and tighten to 35-40 Ib-ft (47-54 N•m) torque. 3. Install horn button switch inner retainer. 4. Install   horn   button   switch   outer   retainer   plate making sure horn switch (arrow) is fitted into slot and centered in retaining plate. 5. Install  horn  button  switch   spring   seat,   spring, spring cover and horn button cover. NOTE Put screwdriver in slot in horn button cover    and    push    down-ward    while rotating  cover  to  engage  the  tabs  in steering wheel hub. 6. Press  horn  control  cover  into  position.    Make sure  flexible  prongs  engage  horn  button  cover hole to hold it in place.  Cover must fit tightly to wheel hub to ensure waterproof cover. 7. Reconnect battery ground (-) cable to the engine ground connection. 8. Install floor boards. 9. Check  for  correct  assembly.    Start  engine  and operate  truck  steering  system.    Turn  truck  in both directions to make sure of correct hydraulic line connections. 10. Test   horn   operation   to   make   sure   of   proper connection of wires. F-411