1.预防机体锈蚀。铁制件,尤其是螺栓等连接处,应清理干净,干燥后涂上机油、黄油或防锈漆,以防生锈缩短使用寿命;农机具如果长期固定不动时,机体表面在空气中的氧、水蒸汽作用下,很容易发生化学反应而锈蚀,所以拖拉机要停放在干燥的库棚内,并在必要的表面涂防锈漆或保护油。2.橡胶制品件老化。橡胶制品件如 1. To prevent body corrosion. Iron parts, especially bolts and other connections, should be clean, dry coated with oil, butter or rust-proof paint to prevent rust shorten the service life; agricultural machinery if the long-term fixed, the body surface in the air Under the action of oxygen and water vapor, it is prone to chemical reaction and rusting. Therefore, the tractor should be parked in a dry warehouse and coated with anti-rust paint or oil on the necessary surface. 2. Rubber parts aging. Such as rubber products