11.11.1. Removal and installation of extensions of doors

You will need a key "on 13".
1. Turn out bolts of forward …
2. … and back fastenings of an extension of a door …
3. … then remove a door hand-rail.
4. Turn out a bolt of average fastening of an extension of a door …
5. … also remove an extension.

To the lower part of an extension sealing laying is pasted, do not lose it at removal of an extension, and in case of damage replace.

6. Establish an extension as it should be, the return to removal.