Hello, this is a nice fixit. Step 6 and step 14 are wrong. Normaly you have only to block the slow-speed outlet with KW658479, a steel-pulley. This works also for all other kenwood's since A901 series both Chef and Major . You only need to block the slow-speed then turn the the plastic-wheel counter-clockwise to remove it now the screw is free to unscrew.
It is much easier and shorter.
Hope it will help somebody to fix another Kenwood chef or Major or cooking-chef
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