| 1. To check work of a rack manually: at a vdviganiye and a vydviganiye of a rod at any its provisions on length of the course and an angle of rotation there should not be jammings. |
| 2. The effort at slow axial movement at the beginning of the course of compression should not exceed 40 N (4 kgfs), after a full speed of compression the rod has to "spontaneously", move forward under the influence of the internal pressure of air not less, than on 30–50 mm of the course. |
| 3. To sustain a rack within 10–12 hours in horizontal position or vertically, the fixing end of a rod down, having provided completely moved provision of a rod. |
| 4. The leak of liquid is not allowed, and the rod after its release has to move forward "spontaneously". |
| 5. If necessary (existence of malfunctions) it is necessary to sort a rack and to eliminate malfunctions. |
