Principles of use and maintenance of the steering system. The steering only ensures safe driving then, when in (there are no excessive slack in connections of its elements. Therefore, in order to maintain the proper condition of the steering system, the driver should avoid turning the wheels of the vehicle when stationary, driving fast on a bumpy road surface, sudden turns. Correct operation is also very important, system maintenance and adjustment. The worm gear housing is filled with gear oil, The rack gear is lubricated with grease, the steering shaft bearings with thick engine oil, the steering knuckle pins and steering link rod connections are lubricated with grease by means of a grease press (in vehicles equipped with central lubrication, all the steering gear lubrication points are covered by this lubrication).