Well, to get the pulley off, here is what I do. I have a bearing splitter and a very heavy duty 2 jaw puller. I put the bearing splitter on the crank just behind the pulley. I then get the puller in place. Next I heat the pulley a bit with an acetelene speed wrench (don't over do it). I then put 2 - 3 cranks on the puller until it is really starting to put pressure on. Then take a medium to large hammer and give the puller a solid rap. apply a bit more heat and turn the puller bolt another 1-2 turns. IF it hasn't moved yet, give it another solid rap with the hammer. 9 times out of 10, it will POP and scare the living daylights out of you. It doesn't come flying off, and you will need to use the puller most of the way......but it is moving freely at this point with the puller.
be forewarned. This is NOT a job for the 3 jaw cast puller's you buy with adjustable jaws. you will break it. Also, do NOT attempt this without a bearing splitter. You will break the inside rim on the pulley. Lastly, if you have a really early engine, it will have a set screw on the pulley. BE CAREFUL in taking out the set screw. If they snap off, it takes a carbide bit to drill them out. cobalt bits won't touch it. trust me, been there, done that.
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Today's Featured Article - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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