On the older models there is a roll pin in the front housing that has to be removed, support the housing best you can and drive it out and then the back is self explanatory, you can go to Makitatools.com for a parts diagram so you can see what I am talking about.
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On the older models there is a roll pin in the front housing that has to be removed, support the housing best you can and drive it out and then the back is self explanatory, you can go to Makitatools.com for a parts diagram so you can see what I am talking about.