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Precautions for the use of car jacks
2019-07-17 16:45:59

The car jack is placed inside the car's toolbox and is used to lift the car body when replacing the spare tire. Automobile jacks have pneumatic jacks, electric jacks, hydraulic jacks and mechanical jacks. Hydraulic and mechanical jacks are commonly used. The car jack is used to replace the spare tire, and the car is broken when the car is broken.

When the vehicle is jacked up, the engine must never be started, because the vibration of the engine or the rotation of the wheel will cause the vehicle to slip from the jack and cause danger.

In order to ensure safety, the cars of various models generally have a fixed position when using the jacks, and the jacks cannot be used for the bumpers, beams and the like.


Maintenance personnel must not work under unsupported vehicles. When changing wheels, passengers cannot stay in the car because their movement may cause the vehicle to slip off the jack.

If there is no jack at the time of tire change, different emergency measures can be taken depending on the position of the tire to be replaced.

When removing the outer tires of the two wheels, the inner wheel of the car can be stopped on the wooden block or stone with the appropriate height to make the outer tires vacant and replace. Pay attention to tightening the hand brake and plugging the front wheel.

When replacing the front tire or the rear inner tire, use the stone or brick to stabilize the front axle and rear axle of the car, and dig the pit under the tire to be removed, so that the tire can be replaced by the suspension.

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