The position and angle of each maple leaf must be marked, and the screws and washers used for each fan blade must be marked to avoid losing balance when reassembling? There are also tools for removing fan blades. simple. Use a jack and make a support. There are 2 tool holes on the hub (both of which are tapped). For more details, see:
.How to remove blades from an explosion-proof fan
Introduction How to disassemble the blades of an explosion-proof fan. The position and angle of each maple leaf must be marked. Next, the screws and washers used for each fan blade must be marked to avoid losing balance during reassembly.