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  1. Unscrew three screws, located in the top part of a lattice. 
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  2. Pull out the top part of a lattice to get access to clamps. Unfasten them by means of a screw-driver and compress lateral faces together when you will pull out a lattice outside. 
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 | 3. When clamps will be unfastened, pull out a lattice and remove it. | 
  
 
 |  4. Installation is made in return sequence. | 
  
  
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