In this video, the repair of the chainsaw is shown with a lot of leaking oil from the tank, even when the saw is idle. What is the reason and how to make repairs correctly and consistently look and comment ... And this is a similar video in which several additional nuances about the installation and alteration of the oil pump are shown there: https: //   • Маленькие хитрости китайской бензопил...  
And also the whole playlist about repairing chain saws on my channel: https: //   / watch   V = yiitJ_mMgyw & list = PL8Jd8hAXEJKo29Se4vLm4idWGouEzu0qe