Question about Bosch Drills
I have removed the brushes, and while worn, don't look too bad. But the drill makes spluttering noises, and seems to lack power. Any ideas?
Posted by Anonymous on
The ancre and / or a part of the electric field damaged. drivinggear must be replaced if ancre was gone too , but in most cases its not worth to repair if it has its working hours on it.
Posted on May 09, 2016
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Posted on Jan 02, 2017
They all do that a bit. The sparks when starting up and stopping are normal. If it has been used alot brushes may be a good idea but before they need to be changed it will spark quite a bit.
It will not hurt to inspect the amount of brush material remaining.
Posted on Jan 06, 2010
Testimonial: "Thanks for your help! It looks like there is still some live left on the brushes...I guess I was just overly concerned! :)"
SOURCE: SbE505 hammer drill needs new
You shouldn't have to take the tool that far apart. Just remove the screws that hold the switch handle together, remove the handle, and you should see the brushes. The brushes are at the rear of the tool, not the front.
Posted on Jul 21, 2011
It is a spring loaded hammer drill. You need to push the chuck down just a bit for it to engage the clutch. If it is still slipping then either the clutch pieces (items 23 and 32) are worn or item 32 is spinning freely on the spindle shaft. Here is a parts diagram.
Bosch CSB470-RLE diagram
Posted on Aug 25, 2012
it depend of model,some tools have auto shutdown brush,when brush are worn,the tool stop
when the wire is veritical:1/4" long
when the wire is horizontal,the brush can be shorter
in all case,when spark are bigger on armature comutator and brush are short, it is the time to change on your tool
Posted on Nov 21, 2012
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