Changping exhaust fan blower repair maintenance restaurants and hotels

Mobile 13121565588 a professional maintenance of domestic imports and medium-sized high and low AC and DC motors, synchronous motors and medium-sized high and low voltage maintenance test and transformation. Repairing all kinds of motor, servo motors, welding machines, axial fans, smoke machines, centrifugal fans, etc., free of charge for the majority of users do motor, pump rotor balancing. Motor repair, two fans maintenance categories: maintenance of various large and small: dredge machine, axial fans, cooling fans, new fans and other air-conditioning, repair and maintenance of various domestic and imported fans, axial fans, centrifugal fan, horizontal fan, etc. various fan repair and renovation project, for bearings, do insulation, doing other maintenance and sales of various fan coil. Fans by using material classification can be divided several, such as steel fan (general fan), FRP fan, plastic fan, fan aluminum, stainless steel, etc. 2 blower fan in the direction of gas flow classification can be divided into centrifugal, axial style, mixed flow (Francis) and cross-flow and other types. 3 fan according to the flow direction of the airflow into the impeller into: axial fans, centrifugal fans and mixed flow (Francis) 4 fan by fan pressure can be divided into low pressure air blower pressure fan exhaust fan fire maintenance method below 1, disconnect the main power supply, put "DO NOT TURN" signs, check the motor ground wire is good. 2, each part of the fastening screws and coupling. 3, inspection of fire exhaust fan blades, remove surface dirt. 4, testing the motor insulation resistance is specified, check the main circuit contacts. If contacts severe erosion (wear contact point to the original thickness of 1/3), replace the contacts. 5, manual fire exhaust fan check the tightness, adjust the belt tightness, hand plate moving wind wheel, observed rotation is smooth. 6. Check and replace gaskets and packing joints between each. 7, cleaning motor and wind wheel, filters and inside the case, should be completed at the peeling paint brush. 8. Soft-check between fan and duct, found damaged replace immediately, add oil to fill the rotating parts, in order to ensure flexibility and stability of the couplings and bearings. 9, check valve mechanical opening and closing operation is reliable, flexible, opening and closing angles clearly marked. 10, manually start checking lights and voltage, current meter is working properly, fire exhaust fan there is no different sound operation of the components, the three-phase current imbalance. 11, elimination of the control surface and the interior of the dust box, check the box device, a comprehensive inspection of the remote control is inside the element normal point. 12, three consecutive start-stop, remote check points are correct and reliable. 13, commissioning two hours, observing the motor bearing temperature, motor temperature is normal, ensure fire exhaust fan is operating normally