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How to use hydraulic jack?

Update:14-04-2020
Summary:

Use method of hydraulic jack: 1 Before lifting the car, […]

Use method of hydraulic jack:
1 Before lifting the car, wipe the top surface of Zhidao clean, tighten the hydraulic switch, place the jack on the lower part of the roof, and make the jack and the heavy object (car) perpendicular to each other, so as to prevent accidents caused by the jack sliding out.
2 Rotate the top screw to change the original distance between the jack top and the car so that the lifting height meets the car's required lifting height.
3 Block the wheels of the car before and after the landing with the corner block to prevent the car from slipping during the process of internal jacking.
4 Press the jack handle up and down by hand, and the car is gradually raised to a certain height, and then put a person's stool under the frame.
5 Slowly loosen the hydraulic switch to make the car slowly and steadily descend and stand on the stool.

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