Which aspects should be paid attention to in plate feeder's  trial?

The operation is steady and normal and the rotary part is flexible with no seizure and scratch. The sound is even without notable vibration and impact. There is no oil impregnate and leaking in all the lubricating seals and junction surfaces and no loosening in fasteners in connection places, especially the connection bolt between scarping belt and chain link. Chain thrust wheel and middle thrust wheel rotate flexibly. The amount of lap of two circular arcs on curving part of scraping belt should not less than 10 mm. The temperature rise of bearing should not more than 30℃ and the highest temperature not more than 60℃.