Tension device using the environmental requirements: -5 degrees Celsius -45
Humidity requirement: 30%-80%
Tension device wire cleaning requirements: the use of the wire should be kept clean, clean, free of impurities on the surface. If you are using a surface wax enameled wire should be often cleaned line position, and change them regularly wool, or may cause tension instability or passing line wheel slip, and lead to shorten the service life of the tension wheel in O-ring.