How to maintain the chain of the electric chain hoist

The difference between the electric chain hoist and wire rope electric hoist is the chain, so how to maintain the chain of the electric chain hoist?
 
1. Add the lubricate oil on the electric chain hoist chain (can not use the butter, it will affect the chain operation).
 
2. Please apply oil to the electric chain hoist which is used in high-dust factory, and regularly remove the foreign objects in the chain and the limit guide group to ensure the smooth running of the chain.
 
3. For the foundry factory chain hoist, can not add the engine oil, because its dust is wearable to the chain.
 
4. If the “chaining” sound occurs in the chain, can add a little oil. When the sound disappear, should stop adding the oil again.
 
electric chain hoist

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