220V AC Cooling Fan Precautions when using

"220V AC Cooling Fan" is the use of forced heat convection cooling, which by virtue of their diversion effect, making the air to a certain speed, a certain way through the heat sink, use the heat exchange between the air and the heat sink away accumulation heat, so that "forced convection" cooling mode. Cooling fan use Precautions:
1. Do not touch the blade and pressing the power cord wrapped around the fan or with the use of the cord, move the axis and power lines will be destroyed;
2. Please avoid dust, water droplets, insects to enter, and affect the life and defective products;
3. Do not use any flammable gas and hazardous environments;
4, please use within six months, long-term storage on the storage environment and affect the fan performance;
5, when the "220V AC Cooling Fan" in operation, do not attempt to lock up a particularly long time fan, it would not be diverted due to continuous stop generating heat and burning fan;
6. When installing the fan, please pay special attention to noise or vibration generated due to resonance;
7, when handling or operation, the fan, such as falling from a height of 60cm, it will produce a number of effects on the balance of the blade, in particular to avoid the falling ball bearings;
8, screw torque lock housing shall not exceed 4Kgf; please do not use a screwdriver, iron bars and other things stall "220V AC Cooling Fan", it would damage the fan.