1. There is a fan impeller disassembly machine on site. You can directly press the fan shaft on the fan impeller remover to complete the removal of the fan impeller.

2. Make a jack reaction frame and disassemble it: If there are disassembly holes in the hub of the fan impeller, make a jack reaction frame and disassemble the impeller.

3. If there is no disassembly hole on the wheel of the fan impeller, it is necessary to lift the fan impeller with a crane and use the inverted heating method.