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Michael, Customer Service
Category: Appliance
Satisfied Customers: 9568
Experience:  I have been an appliance repair tech for over 30 years and will help you solve your problems.
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Good morning, I have a Bosch PSB 600 RPE hammer drill that

Customer Question

Good morning,
I have a Bosch PSB 600 RPE hammer drill that I have used solely for domestic use, yesterday after drilling two holes into masonry with an eight point five mm bit the chuck refused to unlock and release the masonry bit I was using. Could you please suggest a solution to my problem?
Thanking you in anticipation of a reply.
Kind Regards,
Graham Wells.
Submitted: 3 years ago.
Category: Appliance
Expert:  Michael replied 3 years ago.
Hi, I am sorry to hear that. Those come with different chucks, please explain how your works?
Customer: replied 3 years ago.

Basically Michael, there is a press and lock mechanism on top of the drill in front of the hammer/drill switch.

Expert:  Michael replied 3 years ago.
Thank Graham,
SO to be sure, you press the button and then can twist the chuck?
Is that correct?
Also is it stuck with a drill bit in the chuck?
Customer: replied 3 years ago.

Yes and yes.

Expert:  Michael replied 3 years ago.
Hi Graham, usually this is just simply a bit that got stuck.
The first thing to do is to spray the checks teeth and down into the bit area with WD-40 or similar solvent. then let it sit a few minutes, next, press the button and using a pair of large channel lock pliers or a vise, hold the chuck tightly and twist eh chuck to the left, that should release it:-)
If for some reason that doesn't work but I'm pretty sure it will, please let me know.I will stick with you until this is fixed, please don't forget to rate my service to you before you close this page. I will be available to you at no additional cost , you can then get in touch with me anytime by simply replying to this message.
Thank you and have a great day !
Tech Michael