Attributes . No tools are required to service a Lewmar EVO winch, simply unscrew the top cap with your fingers to remove the drum and provide access to the proven gear train. If you try to put a Lewmar EVO winch together wrongly, it will become very clear that you've got it wrong; it is impossible to service the winch and put it back together incorrectly. Safety and convenience has been designed into every EVO winch . Names