Beijing Shunyi canteen exhaust fan blower maintenance repair, replacement repair centrifugal, axial fans

Mobile 13121565588 Beijing fan repair - fan installation and maintenance - Fan sales - centrifugal fans, axial fans, low noise wind cabinet, fire exhaust fan, exhaust fan motors, etc., repair and replacement of kitchen fan. Fan maintenance, wind turbine installation (1) fan base, silencer and shock devices, the device shall comply with the requirements of the technical documentation. (2) is assembled on-site fans, the rope tied shall exercise damage parts surface. Pressed portion lubrication line (3) and seal oil cooling fan systems, etc. should be strength test. When the device is no technical documentation specified, hydrostatic pressure test shall be 1.25-1.5 times the maximum working pressure, pressure pneumatic test shall not be 1.05 times the maximum working pressure. (4) fan inlet pipe, exhaust pipes, valves, regulating devices, should have a separate support, when connected to the pipeline flange and fan response in posted flat can not force the connection, the case should not be subjected to external load, to prevent case deformation. (5) The fans tubing connections require cutting or welding, should not deform the cabinet, the general should be in line with the cabinet after disengagement be. A transverse centerline (6) of the fan inlet and outlet centers prevail, the longitudinal center line shaft prevail, the deviation not greater than ± 5mm. (7) the fan level to the drive shaft as the reference point, the deviation shall not exceed ± 1mm. (8) Fan levelness of 0.2mm / m. 7.5.2 centrifugal fan installation index (1) bearing assembly a. Bearing should be closely engaged with the base, local gap should not be greater than 0.1mm. b. bearing longitudinal levelness of 0.2mm / m, cross level degree 0.3mm / m. (2) the housing assembly into the impeller inlet and housing outlet axial and radial clearance between the equipment shall comply with the technical documents, without predetermined value by the following adjustment. a. the axial clearance of 0.01 impeller diameter. b. radial clearance should be evenly distributed, the value of impeller diameter of 0.015-0.003. (3) a shaft and bearing assembly clearance should comply with the provisions of its equipment technical documents, without predetermined value is adjusted as follows: top clearance of 0.015-0.002 journal diameter; lateral clearance for the top clearance 1/2 - twenty three. the contact point b. bush and the journal of 12-18 points / 25 × 25mm2. c. The radial displacement blower shaft and the motor shaft should not exceed 0.05mm, levelness of 0.2mm / m.