The bottom of the handle bar is tightened clockwise to the release valve. Operate the wrench up and down. The rocker arm rises.

1. The oil will deteriorate after the jack is used for a long time, and no. 13 high quality hydraulic oil must be replaced.

2. The height of oil filling and the lifting jack should be placed horizontally. The distance between the liquid level and the outer pipe should be 10mm.

3. Air will sometimes enter the hydraulic system jack during transportation and affect the normal operation of the jack, so air in the system should be discharged.

   A. Remove the cover plate and open the oil plug to let air overflow;

   B. loosen the release valve counterclockwise;

    C. Quick up and down the handle several times;

   D. Close the relief valve and put it back on the cover plate, and the jack will work properly.

1. When the jack is not used, the rocker arm should be in the lowest position to avoid affecting the accuracy and corrosion of the oil pump, keep the jack clean and always add 20# oil to the external moving parts.

2. It shall be checked before each use, and the jack shall not be used if there is welding crack on the visual jack, if the parts and fasteners are lost, loose, broken, deformed, etc.

3. For your safety, it must be repaired under the guidance of experienced maintenance workers.

1. Fix the parking brake, set the automatic gear in the \"P\" position, and set the manual gear in first gear or reverse gear.

Secure other tires with tire cushions or wood.

3. Put the jack on the groove of the supporting point for use.

4. Do not exceed rated load when using the jack.

5. Do not climb into the bottom of the vehicle when jacking.

6. Do not place the pad on the jack head or base.

Park on a level spot.

8. If possible, support the vehicle with the support.