Traditional Culture Encyclopedia - The 24 Solar Terms - How to pump up the bicycle?

How to pump up the bicycle?

1. Expand the pedal pump.

2. Connect the inflatable connector of the pedal pump to the bicycle valve.

Step on the inflatable pedal with your foot and start inflating the bicycle.

4. Observe that the pointer of the pressure gauge is close to the standard air pressure marked on the bicycle tire, and end the inflation.

Correct use of tire pressure gauge;

1, the included angle between the center line of the air pressure metering port and the axis of the meter body is 90- 180, the scale is square, and the scale value is 0.07Wpa-0.4Wpa Tap the instrument shell or surface glass with your fingers before reading to eliminate the friction in the transmission mechanism.

2. When observing, the pointer overlaps with the mirror pointer. At this time, the indicated value of the pointer is air pressure, and the reading is accurate to one decimal place. Read the temperature value on the barometer to one decimal place.

3. Align the groove at the measuring end of the barometer with the tire valve and press it. At this time, the pointer of the tire barometer deflects, and its indicated value is the inflation pressure of the tire, or the reference of the tire barometer is pushed out under the action of air pressure, and then the value displayed on the reference is the inflation pressure of the tire. The greater the tire pressure, the more biased the pointer.

When the bicycle is inflated, you can inflate it and press the tire with your hand. If you think the tires are hard, you can bear your weight. It is not good to pump too hard, and it is easy to bump.

If the valve nozzle leaks air, adjust the air needle with the air needle wrench, and add water to the air needle nozzle without bubbling. It is really impossible to replace the air needle with a new one.

Air leakage outside the valve can only be replaced with a new inner tube of the same model. The valve is die-cast on the inner tube by the equipment. Manual cannot be repaired.