First off you need to remove the screw that holds the locking washer in place. This came out surprisingly easy on mine. You can then prise off the washer....
...to allow us to undo the main hub nut.
This bit would probably have been easier had I loosened it before removing the engine from the bike, as there would have been natural resistance against the spanner. I'll remember this next time. The hub nut, unlike the flywheel, is a normal thread. The nut is bigger than 24mm (the biggest socket in my set) so I had to use my trusty adjustable spanner. I rested the end of the spanner on the vice, and gently tapped the hub round with a mallet and some wood.
Once the main nut is removed you can insert your hub puller into the three threaded holes in the hub.
I was let down here by a cheap tool - my hub puller failed on me. It was a simple design poorly executed, comprising a steel disc with a nut 'welded' to the centre to allow a bolt to be threaded through. The problem was the weld was more of a braze, and the join gave way when put under tension, resulting in the nut coming away from the disc. The lesson here is don't buy cheap rubbish from ebay, and when you buy a puller go for a well designed one.
So, I resorted to the more traditional method - the mallet. The risk here is that you might damage something. Mine came away undamaged with the second strike, revealing even more how poor my tool was as the hub obviously wasn't siezed on.
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