How do you install the ball bearings in the middle of the wheelbarrow?
Remove the open pin from the outside, and if it is a round nut, turn the nut. Draw the wheel with three claws or two claws, and remove the bearing. If you have any rust or damage shaft, use cloth or file, and then use a diameter greater than the diameter of axle sleeve against bearing, tap on a sleeve bearing installed.
If the stroke is very difficult, you don't have to force it to avoid damaging the axle or bearing. You can heat the bearings in an oil bath to make them swell, and then it will be easier. It is important to note that the oil temperature should not be too high to prevent the bearing from falling.
Gently hammer out the small hammer, and put it in with the old bearings.
