Question about Bosch 1224VSR 7/8" SDS-plus Bulldog Rotary Hammer
It sounds like it is hammering but when i put pressure on it it just drills
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: Bosch 11247 Hammer drill works
Usually replacing the o-rings on the piston, striker and Impact bolt will solve any hammering issues. That is considering there is no damage to the mechanical parts in the hammer mechanism.
Posted on Apr 13, 2009
They are filled with a special grease that comes from Bosch. It sounds like the impact bolt or the striker pin in the unit are not moving the way they should. These are the pieces that work together to create the hitting action. About all that can be done now is the unit has to be dismantled to get those to pieces moving again. Bosch makes what they call service packs for all thier hammers. They have all the o-rings and grease to get your hammer working again. A Bosch service center can supply you with the kit. Ask for P/N 1617000225, or they can take care of it for you.
Hope this helps
Posted on Apr 16, 2009
SOURCE: my hammer drill won't hammer.
when was the last time serviced?? If not recently then you would need to replace the o rings and look for other sticking/worn parts. Give me the exact model number and I will try and find you a breakdown and a rebuild kit. They are not that bad if you are handy with tools and take your time. Let me know
Posted on Mar 21, 2010
Hi, have you tried the various positions on the front part of the gearbox behind the 'chuck'?
If so, then Im afraid it must go in for repair. These are not an easy fix and personally I would recommend you ask for a 'quotation' as it could be just something simple to do with the 'Gearbox' selector, but it could also be something a lot more serious within the Gearbox.
Good Luck & Best Wishes, John..
Posted on Jul 03, 2012
SOURCE: hammer drill won't hammer
Without knowing which model you have: Most Bosch hammer drills use a plastic connecting rod to attach the piston to the rotating spindle. These are a common failure item and fairly easy to replace.
Posted on Jul 19, 2012
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