Maintenance: 1, the fan blower found abnormal noise during operation, the motor severe fever, live shell, switch trip, you can not start and so on, should immediately stop checking. In order to ensure the safety of fire smoke axial fan, fan operation is not allowed in the repair square wall axial fans, after the overhaul should be commissioning five minutes or so, confirming that no anomalies start running again. 2, according to occasional supplement or replace the bearing grease (motor enclosed bearing service life without replacing the grease), to ensure that the fan is running in good lubrication, refueling times less than 1000 hours under ambient conditions / closure of the bearings and motor bearings, fuel zl-3 with lithium grease filling 1/3 of the bearing inner and outer rings; non-starvation running. Square axial fan Features: machine uses CAD / CAM design axial fans t35-11, with low investment costs, air volume, low noise, low energy consumption, stable operation, long life, high efficiency, automatic shutters from Closed dust, water, nice; to hair, modern plant cooling ventilation is the best choice, but also ventilation. Environmental protection, energy-saving square axial fans, cooling ventilation and cooling will become mainstream wet inexpensive equipment market. Square wall axial fans | Chen Yu-conditioning (certified) | Hengshui City, axial fans by Wu Cheng Chen-yu air-conditioning Limited. Wu Cheng Chen Yu Air Conditioning Equipment Co., Ltd. (www.wccykt.com) is a leader in Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Chen Yu-conditioning in leadership with the staff warmly welcome all inquiries negotiations to create Chenyu conditioning a better future.