Why is the 1 ton 3 meter chain chain hoist slipping?

The 1-ton 3-meter chain chain hoist will slip after being used for a period of time. What is going on? Below Chenli editor will give you a detailed introduction:

The slipping phenomenon of the inverted chain hoist is because there is a problem with the equipment. At this time, it is necessary to stop working and check the equipment. If you do not work according to the specified lifting load and overload, slipping will occur; during daily use, the friction plate is stained with oil and other impurities, which reduces the conflict force and slipping will also occur; poor quality friction If the blades continue to become thinner during use, slipping may occur; if the spring on the pawl in the braking device becomes loose, slipping may also occur.