Question about Bosch 11236VS Rotary Hammer

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Chuck can't get any bit to lock into chuck

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Probably just the ball come adrift or worn. Depends on teh age of the drill. If you pry the end cap off the tool holder and remove the chuck sleeve you should be able to see the spring lock mechanism. There should be a ball held in place by a dished washer. The ball can come out and get lost so check that. If this is the case it should be very cheap to buy a new ball, and easy to replace. Just remember to lay the parts out in the order you remove them so it easier to re-assmemble them properly. If the ball has jsut dislodged and not fdallen out you should be able to refit it but may need to repalce the chuck as it in this case it is probably worn.

Posted on Nov 04, 2008

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If the picture that I am seeing is of the same that you have then I can tell you that those are special bits that are fluted on the shanks so they can hammer. Also those drills do not chuck up like a regular drill. You have to pull the collar down insert the bit and rotate it until it falls in and then release the collar. Remember these bits are specific to the drill and can be hard to find, a rental store is a good place to find them for sale. Hope this helps. 2rns4u <*{{{>(

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Bits will not lock into chuck


First I would go to Makitatools.com and download a schematic for this tool. But it is pretty simple to remove the rubber dust shield and plastic collar to look for debris and proper movement in the chuck assembly. Make sure also that you are using the right SDS bits in tool. You should be able to push the bit into the collar and twist until it goes into and locks. Let me know and I will help further

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