Before cheaking, all disassembled components should be thoroughly cleaned, make sure wether the components needs to be repaired by elimilating grease, varnish particles, iron rust as well as deposited carbon.

• 在检查之前,所有分解部件应清洗干净,应去除润滑脂漆粒、积碳和铁锈,以确定零部件是否需要修理。