小四轮拖拉机转向器蜗轮室一般是靠一次性加入润滑脂进行润滑,平时不加油,定期加以更换,更换周期一般为1000h。由于蜗轮室润滑条件不好,蜗轮、蜗杆常常损坏,导致转向器不能正常工作。经对损坏的转向器进行检查,发现损坏主要表现在蜗轮、蜗杆或轴承严重磨损或变形,以及蜗轮、蜗杆齿廓表面龟裂。显然,这都是由于润滑不良所引 Small four-wheel tractor steering worm gear room is generally one-time by adding grease for lubrication, usually do not refuel, regularly to be replaced, the replacement cycle is generally 1000h. As the worm gear room lubrication conditions are poor, the worm, the worm is often damaged, resulting in the steering gear can not work properly. After checking the damaged steering gear, it is found that the damage is mainly manifested in the serious wear or deformation of the worm wheel, the worm or the bearing, and the cracking of the surface of the worm gear and the worm gear. Obviously, this is due to poor lubrication