The chain maintenance of the stage electric hoist mainly includes the following steps:

Regular inspection: Regularly check the wear level of the chain. 

If any wear or looseness is found, it needs to be replaced or tightened in a timely manner.

Regular lubrication: Regularly lubricating the chain can reduce wear and improve its service life.

Prevention of collision: During use, it is important to avoid collisions between the chain and other objects to avoid damage to the chain.

Storage: When not in use, keep the chain in a dry place and keep it clean and dry to avoid rusting or corrosion.

Maintenance: During use, the chain should be regularly maintained, including cleaning, lubrication, etc., 

to maintain its normal operation and extend its service life.

The above is the chain maintenance steps for the stage electric hoist, hoping to help you.