Winches have a lot of moving parts, which need to be kept clean and lubricated if they are to continue moving freely. Failure to fiber colon cleanse service winches on an annual basis results in bearing damage and can eventually cause seizing, which will render the whole unit ineffective. A new winch is not cheap, so take care of what you've got. All you need is a few hours, a bit of patience and a good set of instructions. Most of the required tools are self explanatory, with the exception of the bucket with a hole.