TO NOT UNSCREW THE SCREW

NOT TO UNSCREW THE SCREWTo nut the connections didn’t loosen during operation of the device, usually put the second (jam nut) or enclose the washer Grover. If such is not at hand or you need to fix the little nut that hard to find a similar washer — rescue improvised, made of… sand paper. Cut out two circles and glue them non-abrasive sides. It remains to be drill — ready and washer.

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