The impeller for the feed pump should be checked once a month. If sign of wear it should be replaced. Maximum running time, depending on application, is 1200 hours. When you use Alfa Laval genuine spare parts, you can be sure of the right part at the right time. Alfa Laval genuine spare parts keep your equipment running at peak performance throughout its lifetime. Our high-quality, durable parts put productivity first and extend your equipment's lifecycle, lowering your ownership costs.