Second, information for order
1.Product Model 2. Primary parameter 3.FluxQ(m3/h) 4.Pressure P(Pa)  5.Temperaturet(°C)  6.The local Pressure P(Pa)  7.
Gas content 8. Please contact us for unfamiliar fan type, we will send professional workers to investigate.

Third, Installation and maintain notes.
1 Learn the technical requirements before installation, check the number of the parts and technical papers.
2 Primary tests for the fan.
3 Lay the foundation. Keep the fan horizontal before installation.
4 The fan can not support large tube weight.
5 According to the features of the centrifugal fan, regulate the wind pressure and wind amount.
6 There should be safety protective covers on the gearings.
7 Please choose the relative lubricants according to the type of the machine.
8 Check the gas exhausted mouth..
9 Over-current protective equipments should be installed on the Compound Electric Motor.

Fourth, operation and maintain
1 Check the lubricant amount before start. Change the lubricant every half year.
2 Pay attention to the rivet of impellers, welding sew when check the machine.

Fifth, Elimination of the common failure.