Heavy judgment and elimination of farm vehicle steering should be performed in the order of the first steering gear, the linkage mechanism, and other parts. The specific method is as follows:
1, remove the steering arm, turn the steering wheel, if you feel heavy, the worm bearing tightness or worm, roller or tooth fan meshing gap is improper; if you turn the steering wheel, feel loose uneven or stuck phenomenon, it may be worm Defective roller or bearing, remove the steering gear check.
2. If the steering wheel has a scratching sound, the steering shaft is generally curved or the casing is concave, and should be corrected or replaced.
3, remove the steering arm, if the steering wheel is flexible and effortless, then the fault in the linkage mechanism, should lift the front axle, pull the left and right front wheels, check the steering knuckle kingpin and bushing and thrust bearings and horizontal and straight tie rod ball Is the pin fit too tight, the lubrication is good, the bushing is sintered, and if necessary, it should be adjusted and replaced.
If the above inspection results are all good, check whether the front axle and frame are deformed, whether the front wheel alignment is inaccurate and the tire pressure is normal. The front axle and frame deformation should be corrected or replaced, and the front wheel misalignment should be adjusted.
In the steering, if accidental or intermittent heavy steering occurs, there is no certain regularity. In the event of heavy load, there is no fixed position of the steering wheel. This may be due to the fact that there is no replacement of lubricant in the steering gear for a long period of time. There are hard particles that wear away from metal parts and are caught between the worm and the roller or tooth fan, occasionally causing heavy steering. Cleaning the steering gear and replacing the oil can eliminate the malfunction.
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