Discussion for the Bosch 4100 (0601B13010) Table Saw
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Question: Bosch 4100 Table Saw Motor Runs ...
I have a Bosch 4100 table saw the motor will start and run real slow and loud but will not get up to full speed. Would like some help diagnosing the problem and would also like to know if there is a repair manual available for this unit.
Reply: Bosch 4100 Table Saw Motor Runs ...
No there is no service manual for the 4100. You will need to do a amp draw test to see if you have an armature or field problem. Your free spin draw should be around half the rated on the motor.High amp draw could be cause by bad bearings or problems with the armature or field.That would be a good place to start.Hope that helps.Good luck.
Question: Riving Knife Knob
Hello. Is it possible to just purchase the knob that locks the riving knife in place?
Reply: Riving Knife Knob
Unfortunately the manufacture does not provide the knob on the 2610950142 Riving Knife as a replacement part. The complete unit would have to be ordered.
I'm not sure what you mean by "fix stripped gears"can you give me a little more information?
if you don't clean and lube the tracking glide rods that the motor rides up and down on the new gears will ware out too. blow off motor and under carriage of saw clean rods with mineral spirits and spray with a dry lube that has teflon in it work the motor up and while spraying rods
Question: Bosch 4100 Table Saw Blade Eleva...
I have used my Bosch 4100 table saw for ripping some 2x4's, after that the blade elevation mechanism just stopped working. The knob turns, I can feel a little jump on in when I turn it but blade does not move. Appears that the blade elevation mechanism is damaged.
Does anybody have experience with a similar damage and suggestions/advice how to approach the repair. I am in the middle of the project and with no table saw and away from the shop, sort of stuck.
Appreciate any advice or suggestions, thank you, jkm
Question: Rifling Knife
Is this the one that can be used without the blade safety cover?
Reply: Rifling Knife
It is much safer to use a saw with a riving knife and no guard cover. But I still think using the cover along with the riving knife is still the safest way to go.
Question: Now What?
I got all the wires connected. And put it back together and now I get nothing. I am having a really hard time getting the wires back inside the cover. I put connectors (male and female) and think that I may be trying to stuff too much in the small space. Are all electric motors made this way? Seem to me like they should come with connectors and a little more space! Is it bad if the wire is bent at the end of the connector? I'm concerned about ordering the connecting nut because each time you have to fix it, you'd have to cut a little more wire off and eventually you'd run out of wire. Any suggestions?
Hi, it's me again. I got my new field and followed the instructions that Howard has posted. Good job Howard. I followed these instructions and have put the field in. But I have a wire left over. My field has 4 wires. The 2 red ones on the field I attached to the housing. There is a white one from the speed control that I attached to the white one on the field. There is a small black one that I attached to the black one on the field. But I have one from the speed control that i can't find the place that it goes. I do remember when I took it off that it would be easy for me to but back on, but that was before I started losing things and had to look for them. The field in the diagram only has three wires, but I have four, and one left over. Can somebody please help me. I knew I should have taken this to somebody that knew what they were doing!! Thanks
Question: Bosch Tablesaw Rod
The rod that releases the table top slide on my saw bent and hits on the blade cover when I try to set it to 45 degrees. I want to make sure this is the right rod and that I can change it myself.
Reply: Bosch Tablesaw Rod
You are correct the part number 2610996919 is the right part for the table top slide assembly.
Question: Should I Order Brushes
I ordered a field for my 4100 table saw since the new speed control didn't fix it. I thinking that I should order brushes since I'm going to have the motor out anyway. Good idea or not? My saw is four years old and I saw about 40 1X10X8 into small pieces to make Barbie furniture. I am also wondering how long the armature will last. Should I also take care of that now?
Reply: Should I Order Brushes
It depends. If failure was due to a heat related issues then you should replace the armature and field as a set.Some times the fields or armature just fail for no reason.If this is the case just replace your failed part.As far as replacing the brushes,it never hurts to replace them as they are a service item and it doesn't hurt to have an extra set just in case.Remember the two main things with cutting tools 1.Always use sharp blades 2. Keep the motor housing clean of sawdust build up. Hope this helps.Good luck.
Question: 4100 Table Saw Control Card
How do you remove the motor cap to gain access to motor speed control card? Can I remove the motor cap without removing the motor from the saw? I tilted the motor for better access and tried removing the two screws that attach the cap, but the cap still doesn't easily come off.
Reply: 4100 Table Saw Control Card
The cap should come off after a little wigging while pulling up.Hope this helps.
Reply: 4100 Table Saw Control Card
My 4100 table saw has three screws in the cap. I had to remove all three to get at the speed control card. I also changed the speed control and my saw blade is still running backward and low motor speed.
Question: Bosch 4100 Table Saw
I have a Bosch 4100 table saw that when switched on it runs slow and backwards--
Would a new speed control correct the problem??
Reply: Bosch 4100 Table Saw
Yes that would be the speed controller.Good luck.
Question: New At This
bosch 4100 table saw. My motor will not start. I have replaced the switch and still nothing. I removed the brushes, but not being familiar with electric motors I really don't know if they are okay or not. They look like the picture of the brushes. Is there an easy way to remove the motor so that I can get it checked? I have reviewed the schematics but I'm a little uncomfortable about removing the motor since I've not done it before. Is there a reset switch on this saw or motor. I have looked at the manual and parts list several times and I don't see any listed.
Question: Motor Arcing
I have a model 4100 table saw. The motor is running intermittently, it is loud, and there's a lot of arcing going on at the armature. I took the brushes out and took the case apart and cleaned all the dust out. The brushes looked ok so I cleaned them up with sandpaper and reassembled everything. Same problem. Could it be the armature or the end bearing causing this?
Question: Low RPM
My 4100 will not come up to speed anymore. The blade will turn, but only very slowly, and with no torque at all.
I am able to turn the blade by hand very easily, so I don't think I have anything jammed in there somewhere. I've verified that I have plenty of voltage (115v) on both sides of the switch, but haven't dug in further to get to the speed control.
Does anyone have any idea what might be going wrong? Although my saw isn't "new", it hasn't been used all that much either. The parts are so expensive I'd like to avoid just throwing parts at it if possible.
Reply: Low RPM
Replacing the field and brushes fixed the saw. What a pain.
Question: Bosch 4100 Is Grinding
My 4100 table saw is making a nasty noise when running. In addition to the noise, the blade has a wobble during cutting and when observing the motor while running, there are some nasty sparks happening inside the motor accompanied with movement inside the motor.
I started to rip a thin board and the blade stopped. When I started the blade back up it turned backwards at a fraction of normal speed.
It sounds like the speed control board has gone out on your saw. It is part #2610997306 and is available from http://www.ereplacementparts.com.
Good luck with your repair!
So I had this same problem and replaced the soft start (speed control) board but it did NOT fix the problem. Now I've ordered a new field and brushes. Hope this fixes it.
Replaced the field and fixed this problem.
How to get this motor apart:
1) Set saw to 45 degrees. Tip saw on side or upside down.
2) Remove brushes.
3) Remove wiring housing. (NOTE: Getting the wiring housing back on the motor is a bit tedious. So note carefully how the wires are inside as the housing comes off. It took several weeks to get the part and by then it was a bit foggy as to how the motor speed control and other wires were routed so that they would fit in the very small space of the wire housing.)
4) TRICK: Remove the 4 screws holding black motor housing to aluminum bearing block. Then use a sturdy pocket knife blade and thin flat screw driver blades to squeeze this plastic to aluminum joint apart. There is a snug rubber washer holding a bearing but with moderate force the bearing will slip loose and allow the motor to come apart.
5) After removing two holding bolts, remove field using inertia. (Watch out for nut holders which will now fall out sides of motor housing.) I used 2 short 2x4s as spacers on the floor. Holding the motor housing upside down, I then gently tapped the motor against these spacers which were positioned so they struck the edges of the motor housing helping to work the heavy field out of the tight black plastic housing.
I'm very (too weak a word) disappointed with the quality of this Bosch field. I thought Bosch knew better than to build a motor with wires that can vibrate as they do under the magnetic force in such a way as to rub the lacquer insulation off. From the looks of it there are two pair of windings from opposite sides of the field which cross each other without any sort of sleeving! Probably what happened is that the vibration wore the lacquer off the wires and they shorted. The new field has sleeving where these wires cross, but neither new nor old are properly tied, glued or otherwise affixed so windings can't vibrate. There are several places that wires can easily be moved with my finger. This is a definite no-no in motor construction. IMHO, no self respecting motor manufacture would build such a poor quality motor for such an expensive saw. I'll think long and hard before I buy a Bosch tool again.
Question: Motor Noise
My 4100 makes a loud buzzing noise when it is turned on but doesn't turn the blade. Is there an overload button or do I need to replace my motor?
Reply: Motor Noise
MY MOTOR IS DRIVING REVERSE. PLEASE LET ME KNOW WHY THE MOTOR IS RUNNING IN REVERSE.
Question: Replacing Part #37
My saw was tipped over while folded up and part #37 broke. I have the new part and have the broken part mostly removed. However, I can't separate it from the union of the shaft (part 40) and the toothed gear (part 36). How do you separate this 40 and 36 in order to replace 37?
Reply: Replacing Part #37
Start by removing the c-clip, item #35 on page B of the parts diagrams. To remove the gear you will need a bearing press. The gear will need to be pressed off of the shaft.
I hope this helps with your repair!
Question: Electronic Feedback
The rpm's of my saw have gone berserk. At no load it winds out scary fast and under load bogs down. Could this be a malfunction of the electronic feedback feature and what parts should I be looking for to repair this?
Reply: Electronic Feedback
Hi waltc, It sounds to me like your electronic speed control has gone bad. It is part #2610997306 and is available here at http://www.ereplacementparts.com. Good luck with your repair! -Mark
Reply: Electronic Feedback
I am curious if replacing the speed control solved your problem? I replaced mine and have the same problem: motor speeds up and slows down continuously and can't cut anything under load.
Accessories for the 4100