Operation and Maintenance of Cast Iron Gate
When opening and closing the gate, attention should be paid to the upper and lower limit positions of the gate, so as not to exceed the limit, so as to avoid damaging the gate or the hoist.
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3. When the gate is closed, it is 10 cm away from the bottom of the gate, suspend for 1 minute, let the torrent wash away the debris in the groove of the bottom gate, and then close the gate.