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Table saw electric BRAKE problem

The motor works but the electric brake isn't stopping the blade correctly.

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Posted on Jan 02, 2017

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comax
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SOURCE: Electric blade brake sounds like

There is no electric brake on the Bosch 4100 table saw. If the motor sounds like it is being held back its possible the rear armature bearing has seized or the field coil is faulty. Both these problems cause the motr to not turn at full speed. The motor must be serviced.

Posted on Jan 07, 2011

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2 Answers

Bosch 4000 table saw motor does not turn, very stiff


Possibly something has jammed inside the motor housing although unlikely.
Electric brake seized perhaps?
Carbon brushes need replaced?

These saws (and the newer 4100) have a history of motor problems, with the field winding and electronic motor speed control being the most common points of failure. If you go to an online tool parts supplier like toolpartsdirect- Bosch 4000 saw you will see a list of the parts available, as well as the most commonly ordered parts.

Thanks go to Jason for his blog post at:

http://mypeculiarnature.blogspot.co.uk/2013/07/bosch-4000-table-saw-fix-momentum-lost.html

May 23, 2014 | Bosch 4000 - 07 Electric Table Saws

1 Answer

Blade brake dosen't work right away when switch is released. Takes a couple seconds of slow spin then the brake seems to stop the brake. Suggestions?


All blade brakes take a moment to stop the blade. If it were to engage as soon as the switch were released the inertia of the blade would do damage to the saw. Look at videos of your saw on youtube to ensure it is operating the same as others.

Jun 12, 2012 | Ridgid Reconditioned 12 In. Compound Miter...

1 Answer

Where is the blade brake on the miter saw


The brake on electric motor driven tools is the field & armature. When running the switch provides power to both sides/poles of the field through the brushes and armature. When you release the switch half of the field is powered pulling the armature to a stop. If your bladed continues to spin when the switch is released, you need to replace the switch. The Ridgid part number for the proper switch is 503317000.

Mar 06, 2012 | Ridgid Reconditioned 12 In. Compound Miter...

1 Answer

Brake does not work


with these saws, the motor fan comes off and there is a nut to turn to close the gap in the brake.. use 0.10mm as a guide..should stop within 1sec/ blade " diameter..eg, 10' blade stops at about 10 sec.

Jan 06, 2012 | Delta Radial Arm Saw

1 Answer

I was recently given and older Craftsman 10" table sawa. It worked great for cuttin some 2x4 and now all of a sudden it will only cut part way7 and than stops, and it smokes--Help!!


The problem could be one of the following:
1) dull blade, in which case replace with a carbide-toothed blade
2) underpowered or old/faulty electric motor
3) faulty/worn belt, in which case replace with new belt
4) The pulley on either the motor or the saw arbor (where the pulley attaches underneath the saw near blade) could be loose. Tighten down set screw.
5) The saw fence isn't set straight causing the wood to jam as you push it into the blade. Check this with a framing square and readjust so it is at a 90-degree angle to the front of the saw table.

Sep 13, 2011 | Craftsman 10" Table Saw

1 Answer

When I switch saw off the blade keeps running for a minute until it finally stops think it's the brake?


Hi,
Obviously the brake is not working..
On most saws the brake is an integral part of the motor and to get it working you will have to replace the whole motor..
If you chose not to replace the motor ... the motor will still work just fine, but you will need to be extra careful using it...

heatman101

Jan 14, 2011 | Dewalt Saws

1 Answer

Electric blade brake sounds like it is seized up. Upon starting table saw (bosch 4000), motor sounds like it is binding. How can I disengage the brake??


There is no electric brake on the Bosch 4100 table saw. If the motor sounds like it is being held back its possible the rear armature bearing has seized or the field coil is faulty. Both these problems cause the motr to not turn at full speed. The motor must be serviced.

Dec 08, 2010 | Bosch 4100 10" Worksite Table Saw

1 Answer

I have an older model black and decker miter saw. How do you change the blade? I can't seem to stop the motor shaft from turning in order to loosen the nut to remove the blade?


Hi, you need to look thoroughly at the casing of the electric motor. Somewhere between the motor and the gearbox is the brake which must be depressed in order to stop the motor from turning. If for some reason you cannot find this brake, use a pair of vise grips and clamp down on the inside of the blade and turn it until it stops. Now you can unbolt you blade. P.S. make sure you know if the thread is reverse or not! Good luck.

Nov 16, 2010 | Black & Decker 12" Dbl Bevel Miter Saw

1 Answer

MAKITA #2703 table saw 10'' to rise and lower blade it


i would say the table is twisted then, strip it down first and if you need to "bend!" it back so it works

Mar 27, 2010 | Makita 2703 10" Table Saw, Electric Brake

1 Answer

The saw blade doesn't stop spiking when you let off the trigger


THe sparks are probably from the electric blade brake. SHould do that.

Mar 04, 2009 | Saws

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