Some Suggestions on maintenance of dc cooling fans
1, according to the using conditions should be regularly to supplement or replace dc cooling fan bearing grease ( Motor bearing, closed during the life period without replacing grease) Dc cooling fans to ensure good lubrication in the operation process, refueling times no less than 1000 hours/time closed bearings, bearing and motor oil with zl - 3 lithium base grease filling bearing inner and outer circle of a third it is forbidden to short of oil.
2, dc cooling fan should be stored in dry environment, prevent the motor be affected with damp be affected with damp. In open air, defensive measures. In the process of storage and handling should prevent dc fan knock against, in order to avoid damage.
3, only in dc cooling fans completely under the normal operation, at the same time to ensure the power supply facilities fully capacity, voltage stability, it is strictly prohibited to open phase running, power supply circuit required for the dedicated line, should not be temporary use temporary line power supply.
4, found during the operation of dc cooling fan has a severe fever, abnormal sound, motor shell charged, the phenomenon such as switch trip, can't start, it is necessary to stop the machine immediately to check. In order to guarantee safe and should not be in dc fan operation for repair, maintenance should be done after commissioning for about five minutes, confirm no abnormal phenomenon to boot.
5, often insist on the use of dc cooling fan should be neat, appearance also want to keep clean, inlet and outlet should not have the sundry, regular dust removal fan and the pipeline and other sundry.
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