Adjustment and use of explosion-proof limit switch
Step 1: Put the valve in the closed position, adjust the red cam, and display CLOSE on the red surface of the indicator light, so that the closing switch has no signal output;
Step 2: Adjust the valve to the open position, adjust the yellow cam, the red surface indicates open (closed), so that the open switch has no signal output;
Step 3: Let the valve go back and forth several times to ensure that the limit switch signal is reliably on and off.
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