How should fire shutter for maintenance

by:Hongfa     2020-08-02
Here is a simple introduction about how should fire shutter for maintenance, let's look at; The first thing to look at the door of rail is roughly normal installation, manual button or or whether they appear the phenomenon of deformation. Then open the steps, first of all in this step to open button and see whether shutter will rise or fall. If open no problem, want to see in the process of operation, the operator will appear to observe the abnormal situation, the rising to the top can automatically stop, if does not automatically stop, you must manually stop them. Fire shutter factories shut down after the reset button to reset after the second open again. To timely solve the problems, as long as in our lives to protect good products, can use more long, the life also can become longer.
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