Как работает редуктор двухскоростного шуруповерта, на примере Deko gcd12du3

0:00 – The video begins with an introduction explaining why the video was made. 0:29 – The presenter explains the names of the parts of the mechanism. 2:33 – The operation of the planetary transmission is demonstrated. 4:27 – The speed‑switching node is shown. 7:15 – The slow (first) speed is discussed. 8:19 – Wear at high speed is examined. 9:23 – The motor‑driven part is described. 11:07 – The dangers of not engaging the speed are highlighted. 12:26 – The torque limiter is explained.