Cara bongkar pasang Gearbox bor batrai ganti pelumas supaya performa nya seperti baru

The following video is how to disassemble and reassemble the gearbox of a battery drill, to replace the old lubricant with new lubricant, replacing the lubricant on a drill machine will make the drill machine return to its best performance, because a drill machine that has been used for a long time will certainly experience a decrease in performance, one of which is that the lubricant has decreased or melted, so that the sound of the machine becomes less quiet, aka noisy, with the new lubricant it will make the gear rotation more optimal,,