Question about Bosch 24V Cordless 6 - 1/2" Circular Saw Kit 1660K - 24

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My 24v bosch cordless saw just quit working. Battery is good, the blade spins easily no electric smell occurred. It just stopped working. I am thinking the trigger, possibly brushes. Any thoughts?

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  • DAN21E May 11, 2010

    it could easily be the brushes or switch. what are the first 3 digits of the serial number on the front of the motor housing?

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If it is a new lithium ion, they just stop dead when the battery is dead and just needs to be recharged. If that is not the problem then it sounds like the battery is not connected to the saw very well, see it the connections inside the saw are bent or damaged in some way.

Posted on Aug 01, 2009

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1 Answer

Just replaced speed control unit and saw still spins at very slow rpm, guessing 20-30. any other possibilties. any way to check if new control unit is no good?


With the saw unplugged, turn the saw blade.
If it turns easily with no hangups I would guess its the field.
When mine went bad the blade went backwards very slowly.
I replaced only the field and not the armature and it's worked fine for over 2 yrs.

Right now I have it apart to change an armature bearing which was completely frozen up.

Aug 29, 2011 | Bosch 4000 - 07 Electric Table Saws

1 Answer

How do i change a blade for my jigsaw pst 50a


there should be a allen head bolt in a slot at the top of the blade. you loosen it and pull out blade , replace blade and tighten bolt back up. hope this helps. have a good day,

Jan 08, 2011 | Bosch 24V Jig Saw W/ 2.4 A H Battery...

1 Answer

Saw blade seems to be seized, it is hard to turn manually.


could be a couple problems, first is the inner flange on correctly. and if so remove the blade UNPLUG SAW FIRST and see if you can turn the spindle by hand, it should spin freely, if not then you have a bearing problem or possibly the motor is burnt. did you notice any burning smell last time you used it and if so that is it. Let me know

Aug 28, 2010 | Bosch 4000 - 07 Electric Table Saws

1 Answer

My Bosch 4000 blade will not go down any farther than an inch above the top of the table.I have checked and cleaned all the gear area and can see nothing that is causing it .


First of all, love the saw. As good as portables can be, the 4000 is really great.

Now, just remedied the blade height adjustment problem, here is how:

Unplug saw.

Removed blade....not easy when you cannot raise the blade, flip the saw upside down and remove the plastic shield, turn saw upright and remove blade.

Used my compressor with blower attachment and blasted all of the dust out of the gears and screw rods with saw upright and upside down, bevel saw to 45 degrees to gain more access..

Sprayed quite liberally with silicone spray lube and gently worked blade height adjustment, adding more lube, cranking wheel, more lube....blade adjustment now works like the day I bought the saw.

DO NOT USE WD40 or the like. This will just attract more dirt in a very short amount of time.

We'll see how the silicone spray holds up.

Good luck,
RjW

Jan 24, 2010 | Bosch Electric Table Saws

2 Answers

My Bosch 4000 table saw blade spins very slow. What the problem would be?


could be bearings locking up/seizing or do you smell any burning when running indicating the armature/field are burnt from possibly overloading with a dull blade.

Dec 17, 2009 | Bosch Saws

1 Answer

Mitre saw runs in wrong direction


You have inadvertantly crossed the wires to the motor.

Feb 16, 2009 | Bosch 12" Dual - Bevel Compound Miter Saw...

1 Answer

Smoking


Couple things I would look for first the condition of the blade do you see any buildup around the teeth like something has burnt on it. Also look into the area around the blade under the table (unplug saw first) to make sure that something hasn't dropped into it rubbing blade causing smoke. Also turn the blade by hand to make sure turning freely. The smoke could possibly be coming from a bearing. If it less than a year old Bosch has a pretty good warranty and you might look into that also. Let me know and I will dig deeper into it.

Jan 11, 2009 | Bosch 4000 - 07 Electric Table Saws

1 Answer

Bosch table saw model 4000


It sounds like the pinion on the armature and or gear are stripped. The only way to find out is to tilt the blade and remove the motor housing from the diaphragm and check it. If replacing the armature I would recommend also replacing the bearings and brushes as preventative

Nov 08, 2008 | Saws

1 Answer

My tablesaw wont speed up and run. Bosch 4000 ten inch. It makes a klunk and starts to turn and slowly speeds up until its running, but still makes a knocking sound


Is it spinning the blade at all? If it is then it is unlikely to be an electrical fault. Have you considered a motor bearing fault? If the motor bearings are worn, it could turn freely by hand, but when powered up it would stutter and stall. The motor is basically a big electro-magnet so if the armature has enough lateral movement, when it is magnetized it could rub against the stator.
If the machine is buzzing, but not spinning the blade it is more than likely going to be caused by a faulty capacitor as this is the component that gives the motor the initial 'kick' in the right direction to get it spinning.

Nov 03, 2008 | Bosch Electric Table Saws

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