Anyone who buys Auto Gauge Accessories knows that there are good and bad auto parts of the same kind. So, how to distinguish them? Come here today Popularize the knowledge of auto inspection fixture accessories.

1. Check whether the trademark is complete:

The packaging quality of the genuine product is good, the box itself is clear, and the overprinting color is bright. The product name, specification, model, quantity, registered trademark, factory name, address, and telephone number should be displayed on the packaging box and packaging bag. Most manufacturers will print their own markings.

2. Check whether the joint is smooth:

During the handling and storage of automobile inspection fixture accessories, burrs, indentations, breakage or cracks often occur at the joints due to vibration and bumps. Pay attention to check when buying.

3. Check whether the protective surface is intact:

Most parts are shipped with a protective coating. For example, piston pins and bearing bushes are protected with paraffin wax; piston rings and cylinder liners are coated with anti-rust oil and wrapped with wrapping paper; valves, pistons, etc. Soak in anti-rust oil and wrap with expected tape.

4. Check if the glued parts are loose:

An accessory consisting of two or more parts, the parts are pressed, glued or welded, and there is no looseness between them. For example, the oil pump plunger and the adjusting arm are combined by pressing; the clutch driven wheel is riveted with the steel sheet, and the friction plate is riveted or glued with the steel sheet; the paper filter element frame is bonded with the filter paper; the electrical terminals are welded together. If any looseness is found during purchase, it should be replaced.

5. Check whether the rotating parts are flexible:

When purchasing an assembly of rotating parts such as an oil pump, turn the pump shaft by hand, and it should feel flexible and free from jamming; when purchasing rolling bearings, support the inner ring of the bearing with one hand and turn the outer ring with the other. lock up. The outer ring should turn freely quickly and then gradually stop. If the rotating part does not rotate normally, it means that the internal parts are rusted or deformed, so don't buy it.

6. Check whether the assembly components are intact:

See if there are parts in the assembly. Regular assembly parts must be complete and intact to ensure smooth assembly and normal operation. If some small parts on some assembly parts are missing, the assembly parts will not work or even be scrapped.