| 1. Turn out bolts and remove to a half-ear of back sitting. |
| 2. Turn out bolts and remove a back of a back seat (a continuous back). |
| 3. Reject a back of back sitting forward, turn out bolts of fastening of arms and remove a back (a separate back). |
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4. Installation is carried out to sequences, return to removal. A tightening of bolts of fastening of arms of a back of back sitting carry out after back fixing by the locking mechanism. |