| 1. Unscrew a dustproof cap from the gate. |
2. Apply a little soap solution on the gate. If the soap bubble is formed, then rigidly tighten the gate a navorachivayemy dustproof cap.
Prevention
It is possible to apply only a metal dustproof cap to closing of the gate.
|
| 3. Again check the gate. If bubbles or the gate are again formed it is impossible to tighten further, replace the gate. |
| 4. Surely again screw a dustproof cap. |