Page 27 - Technical Guide
P. 27

P   roSteering®                                                 	
                                              	
   	
  
                                                                  	
                                              	
  
	
  

Non	
  –	
  Recovery	
  

Problem	
  description:	
  	
  

	
  In	
  recovering	
  from	
  a	
  turn	
  the	
  wheels	
  do	
  not	
  return	
  to	
  straight	
  ahead	
  

Checklist:	
  

Verify	
  tire	
  pressure	
  values	
  

Verify	
  fifth	
  wheel	
  properly	
  greased	
  

Verify	
  vehicle	
  alignment	
  

Verify	
  caster	
  angle	
  
	
  

      Potential	
  cause(s)	
   Verification	
  or	
  action	
             Result	
                               Remedy	
  

                                          Follow	
  the	
  original	
      Tire	
  does	
  not	
  self	
          Problem	
  likely	
  exists	
  in	
  
                                                                           return	
  to	
  near	
  straight	
   the	
  king	
  pin	
  bushings	
  /	
  
      Binding	
  in	
  steer	
  axle	
    manufacturers	
  
      linkage	
                           procedure	
  to	
  inspect	
     ahead	
  position	
                    bearings	
  or	
  linkage	
  
                                          for	
  steer	
  axle	
  and	
  
                                          linkage	
  binding	
             Tire	
  self	
  returns	
  to	
  near	
   Investigate	
  the	
  next	
  
                                                                           straight	
  ahead	
  position	
   potential	
  cause	
  

      Gear	
  /	
  column	
  binding	
    Follow	
  the	
  original	
      Binding	
  is	
  NOT	
  isolated	
     Problem	
  likely	
  exists	
  in	
  
                                          manufacturers	
                  to	
  the	
  gear	
  or	
  column	
    the	
  column,	
  driveline,	
  
                                          procedure	
  to	
  inspect	
                                            slip	
  joint,	
  u-­‐joint,	
  or	
  
                                          steering	
  column	
                                                    firewall	
  boot	
  
                                          linkage	
  for	
  binding	
                                             interference	
  

                                                                           Binding	
  is	
  isolated	
  to	
      Investigate	
  the	
  next	
  
                                                                           the	
  steering	
  gear	
              potential	
  cause	
  

                                          Follow	
  the	
  original	
                                             Repair,	
  replace	
  or	
  
                                          equipment	
                                                             relocate	
  affected	
  
 Interference	
  between	
                manufacturers	
                  Interference	
  condition	
            components.	
  
 the	
  steering	
  gear	
  and	
         procedure	
  to	
  inspect	
     exists	
                               Correct	
  surface	
  flatness	
  
 frame	
                                  and	
  /or	
  correct	
                                                 problem	
  
	
                                        interference	
  between	
  
                                          the	
  gear	
  and	
  frame	
    No	
  interference	
                   Investigate	
  the	
  next	
  
                                                                           condition	
  exists	
                  potential	
  cause	
  

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