... 182318217821.Scraping the manure plate size : 1.77m,2.It may adjust freely , 3.Motor maximum power ... 4).Installation drawing1.Will the motor and pulley fixed.2.When the motor running,the scraping the dung ... plate 1 forward,the scraping the dung plate 2 back. Motor running over,Will switch reverse, ... the opposite direction (the scraping the dung plate 2 forward,the scraping the dung plate 1back) Finish ...