How heavy is the line that is attached to the anchor - you need to add that weight to the amount being lifted as well. Some general things to consider: Are you providing the correct voltage and current? Is the wire supplying the motor large enough - or is it getting hot? Check & clean as needed ALL connections at terminals, relays, etc for corrosion and tightness. Make sure the unit has been serviced and lubricated as required.
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How heavy is the line that is attached to the anchor - you need to add that weight to the amount being lifted as well. Some general things to consider: Are you providing the correct voltage and current? Is the wire supplying the motor large enough - or is it getting hot? Check & clean as needed ALL connections at terminals, relays, etc for corrosion and tightness. Make sure the unit has been serviced and lubricated as required.