superjet impeller removal hack--use car tire as a big vice

The normal way to remove an impeller is to put the spline tool in a big vice. If you don't have one, you can use your car and a breaker bar and socket. Put the bar on the ground and drive on it to trap it under the tire. Set things up so you are pulling the wrench on the impeller away from the car so you don't hit your car when the impeller breaks free.
 

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Or you can build a fixture that holds everything stable. It goes along with all the other good maintenance practices that most fail to accomplish.
 
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