Sorry for the slow reply. Have eventually tracked down a good used camshaft (the end of which functions as the impeller shaft) and split the casing in order to replace it.
The mechanical seal includes a stainless steel cup that is tightly pressed into the casing and had loctite applied to it...
You're right. The reason the shaft doesn't come out is because it is part of the camshaft (extends out from one end)! A crazy design in terms of lack of serviceability, but efficient to manufacture. So, need to remove the camshaft just to rebuild the water pump by machining the impeller shaft...
Thank you for the replies so far.
FD731V has the impeller shaft built into the engine casing and the pump components (3 seals and the impeller and impeller bolt) go onto the captive impeller shaft.
All the seals and impeller are still available from John Deere, but they don't even show the...
Hello Everybody,
We're at wits end and are hoping that somebody knowledgeable here can please help with this. We have a leaking water pump in this FD731V Kawasaki twin and John Deere lists all the various seals and the pump cover and impeller, but the impeller shaft itself doesn't come up on...