1)Release the pressure plate bolts before installation , the telescopic tube pulled to install length, and then diagonally to tighten, void bias .
2)The use of this commodities such as overhead, install bracket at both side .
Precausion :
1)Regularly check water leakage in the course of use, if any leakage, it will first check the replacement of seals, if not slove the problem such , please contact the manufacturer Consulting.
2)Expansion joints reach to using life ,replacement must be took, or it may cause an accident .