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Talking about the maintenance of mechanical steering gear

Talking about the maintenance of mechanical steering gear

(Summary description)Mr.Wang from Ma Duan Street,Nangang District asked:My Jetta taxi drove 250,000 kilometers and it was equipped with a mechanical steering gear.Recently,

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  Mr.Wang from Ma Duan Street,Nangang District asked:My Jetta taxi drove 250,000 kilometers and it was equipped with a mechanical steering gear.Recently,it was discovered that the gap was getting bigger and bigger when turning,and the steering gear had to be replaced with the click sound.Is it done?Can it be maintained and repaired?What should be done to extend the service life of the steering gear?
  Wang Gong's answer:The mechanical steering gear of Jetta adopts a rack and pinion structure,which is mainly assembled on Jetta taxis before 2005.Its main characteristics are simple structure,flexible operation,light weight,and durable leather.If properly maintained and used,400 to 500,000 kilometers can be used in the taxi,and some can even stay with the car until the car is scrapped.
  In use and daily maintenance,we should pay attention to the following points to extend the service life of the steering gear:
  1.When driving on potholes and uneven roads,slow down and reduce the load on the steering gear.
  2.Always check the status of the protective covers on both sides of the steering gear and the protective cover connecting the upper part of the steering gear to the universal cross shaft.The damage of the sheath is the most important factor leading to the early wear and damage of the steering gear.After the sheath is damaged,water,dust and sand will enter the steering gear through the damage,destroying the grease film of the gear rack and causing rust and abnormal wear inside the steering gear.If the water and sand inside are not immediately disposed of,In a short period of time,the steering wheel will be scrapped.Therefore,check the status of the dustproof sheath at least once a month.If the sheath is found to be damaged,it must be replaced immediately,and the steering gear must be thoroughly inspected and maintained before replacement.
  3.After adjusting the front toe of the four-wheel alignment and changing the steering rod,pay special attention to the fact that the protective cover cannot be distorted or assembled improperly,otherwise the protective cover will be damaged.
  4.Because the grease will gradually become dirty and deteriorated during use,the lubricating ability will decrease;at the same time,the substances under wear will gradually increase,and the phenomenon of abrasive wear will become heavier,which will increase the wear of the steering gear.Every 100,000 kilometers or so,the steering gear should be thoroughly maintained,cleaned and greased again.
  5.The steering gear has harsh operating conditions and large loads.Special grease must be used,and ordinary grease cannot meet the requirements.
  6.The gap of the steering gear will gradually increase during use.If the left and right idle stroke of the steering wheel exceeds 15 degrees,the steering gear must be checked.If the gear rack is abnormally worn and severely worn,the steering gear assembly must be replaced;if there is no abnormal wear,But the gap is too large and can be adjusted.When adjusting,go to the service station to be carried out by trained professionals.After adjustment,ensure that the steering wheel can be driven to the left and right to the extreme position,and the force is even and the rotation is flexible.
  7.Do not arbitrarily carry out the maintenance and maintenance of the steering wheel in a roadside shop with poor equipment and low technical level.Improper adjustment of the steering gear may cause jamming and endanger driving and personal safety.

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