It is more convenient to perform work on the elevator.
For replacement of the shock-absorber we hang out a wheel and we prop up a rack a beam of the back bridge so that the shock-absorber contracted a little.

Two keys "on 19" we turn off самоконтрящуюся a nut of fastening of the lower eye of the shock-absorber.

We take out a bolt with washers and the expansion plug.

Key "on 19" we turn off самоконтрящуюся a nut of fastening of the top eye of the shock-absorber and …

… we remove the shock-absorber together with rubber plugs.

We install the shock-absorber as it should be, the return to removal.
Similarly we replace the second shock-absorber.