How to fix an oil leak in an electric chain hoist?

Which part of the electric chain hoist is leaking oil?

The gearbox of the electric hoist is filled with oil during manufacturing to lubricate the gears,so the oil leak is coming from the gearbox.

What are the common causes of oil leakage in electric hoists,and how to repair them?

1.Aging or damaged seal rings in the gearbox housing-replace the seal rings.

2.Loose or improperly tightened gearbox screws-tighten the screws.

3.Physical damage to the gearbox housing-disassemble to inspect internal gears for damage and replace the housing if necessary.

Note:After resolving the oil leakage issue,add chain lubricant to ensure normal operation of the gearbox.