A, "Tiny Cooling Fan" in front of the box should check the packaging is intact, the fan parameters are met, each comes with complete accessories are complete.
B, carefully check the fan during transport without deformation or damage, fasteners are loose or fall off, the impeller if there is a collision phenomenon, and "Tiny Cooling Fan" the various parts to be checked. If found abnormal, should be repaired before use.
   C, to detect insulation resistance 500V megger fan housing and motor windings, and its value should be greater than 0.5 megohms, or respond to the motor windings powerful horse for drying, when drying temperature must not exceed 120 ℃.
   D, ready for all kinds of materials "Tiny Cooling Fan" to install the required tools and venues.