| 1. It is impossible to replace bearings of a nave separately. If bearings are worn-out or damaged, it is necessary to replace a nave entirely. | 
  
 
 | 2. Installation of a nave is carried out to sequences, return to removal. | 
  
 
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 3. Accurately fill a nave on a rotary pin by means of suitable шлямбура. | 
  
 
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  4. Fix a nave. | 
  
  
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