1. During operation, the road roller shall start first and then vibrate. The internal combustion engine shall be set at medium speed first and then adjusted to high speed.

   
   

2. Stop the engine first when changing speed and reversing, and reduce the speed of internal combustion engine when changing speed.

3. It is strictly forbidden to vibrate the road roller on the solid ground.

4. When rolling soft subgrade, it shall be rolled for 1~2 times without vibration, and then vibratory rolling.

5. The vibration frequency shall be consistent during rolling. For the vibratory roller that can be adjusted, the vibration frequency shall be adjusted before operation. It is not allowed to adjust the vibration frequency without starting vibration.

6. The adjustment of reversing clutch, shock clutch and brake shall be carried out after the main clutch is disengaged.

7. Do not use fast gear when going uphill or downhill. It is strictly prohibited to use fast gear when making sharp turns, including when the articulated vibratory roller is rolling in small turns.

8. The roller shall not engage in vibration at high speeds.

9. When stopping the engine, the vibration shall be stopped first, then the reversing mechanism shall be placed in the middle position, the transmission shall be placed in neutral, and finally the hand brake control lever shall be pulled up, and the internal combustion engine shall run at idle speed for several minutes before stalling.

Shenzhen Huaqiying Technology Co., Ltd（Abbreviation: HQY Equipment） is a modern enterprise that integrates professional R & D, production, sales mini excavators, loaders, sliding loaders, rollers, grass cutters and so on. The company is located in SHENZHEN and has thousands of square meters of modern production workshops and R & D technology centers with international advanced levels. At present, the company has more than 220 employees, including 33 professional engineering and technical personnel, 10 senior engineers, and 23 senior technicians.