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How tochange wheel bearings

I have to start the wheel spinning manually as the motor wont start the saw going without this assist. I guess I have to change the wheel bearings and lubricate the motor. How do I do that?

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Posted on Aug 04, 2009


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1 Answer

Motor makes horrible noise

It could be the bearings in the motor are bad. When you turn the saw on does the motor pulley turn. If not the motor shaft could be turning inside the pulley. Make sure the pulley is not loose on the motor shaft. If the motor just hums without spinning it has an internal within the motor itself

Mar 11, 2011 | Craftsman 10" Table Saw

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Problem is we have model#113.247210 band saw and it quits,running/ordered new motor and belt/and still blade stops running when I cut a piece of wood/and it is sqealing.

Hello, W/D here.

I'm assuming here that the tension on the belt is set properly.

It sounds like a bearing in one of the wheels is going out, but the squealing sound indicates that the blade guide(s) may be a part of the issue. Here's how to check:
Loosen and remove the blade. Start the machine and listen to the lower wheel bearings. Remove the belt from the pulley on the band saw.
Spin each wheel separately, being careful not to get your fingers hung up. Listen for grinding bearings, slow revolutions compared to one another, etc. If you can isolate the problem, lubricate or replace the bad bearing.
If the bearings check out to be normal, replace the blade. Set the blade guides so that they are close, without touching, and roll the wheels again. Look for pinch points where the blade passes through the guides. If yours is equipped with a roller plate guide behind the blade, check that it moves freely. (I haven't been able to locate a diagram of the model listed, so I'm not sure if you have one or not).
Replace the guard and start the machine. Try running a piece of scrap wood, and try to determine where the blade is binding. Usually, the blade will bind in the guides, but anything that the blade can touch when it is deflected when cutting should be looked for.
This is all that comes to mind. Hopefully it will help you locate the source of the problem.
Best regards, --W/D--

Feb 06, 2011 | Craftsman Saws

1 Answer

My band saw (craftsman 12" tilt head) stopped

I have the exact same saw. It sounds like the key stock came out of the pulley attached to the lower wheel. I will give you a quick rundown.
-unplug saw
-you will have to lay the saw on its side so you can remove the motor and drive belt.
-there are 2 seperate pulleys , the one connected to the motor and the one connected to the bottom wheel.
-loosen motor nuts and remove motor, pay close attention when removing motor 3 of the 4 studs have sleeve like spacers.
-once motor and belt are out of the way check the pulley on the bottom wheel,my guess is that the key stock came out and the pulley spins freely.
-loosen set screw,replace keystock and tighten.
-NOTE the keystock may have came out of the motor pully instead,check.

Now this next part is real important.
-once you get it figured out and are ready to put everything back together the 2 pulleys must be perfectly lined up, use a flat ruler, using your eye will not work.line the drive pulley up with the lower pulley. ( the pulley on the motor has a shoulder on it so when it is pushed towards motor it will be set in the right spot) .

It is either the pulley on the motor or the wheel that has lost its keystock.

It should be a easy fix,Good luck

Nov 05, 2010 | Craftsman 12 Tilt Head Band Saw Owner...

1 Answer

How should I connect the wires to the motors? Our Peg Perego John Deere tractor lost its ability to go. I saw voltages on the motor wires when the wires were disconnected from the motors, but no...

white and black on one motor and red and blue on the other motor you can change which way the wheel spins by swapping the two wires around on the motor

Oct 16, 2010 | Peg Perego John Deere Turf Tractor

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Motor stopped spinning. it will barely turn in the counter direction, but wont turn at all in the right direction!

you have a motor/bearing problem. UNPLUG tool and turn on its backside and remove the back motor cover and see if the bearing has collapsed. and remove brushes to see if motor burnt

Aug 25, 2010 | Bosch 4000 - 07 Electric Table Saws

1 Answer

My 12 inch band saw throws the lower tire when the power is switched on. The model number is 11324350.

Tires need replaced- may have a few other problems. try this
-unplug the saw spin the saw by hand, does track down the middle of both tires? also look at your guides and backup bearings.
I would take off blade-back off all guides and bearings -clean off any build up on tires- replace blade. now spin wheel ( always spin with the blade going down) if its tracking good go ahead and adjust guides and bearings to specs and try again. most likely the back up bearings are out of adjustment. they should not spin unless you are feeding material and it seems like the bottom one may be your problem.
But never the less it sounds like new tires are needed.

Aug 19, 2010 | Craftsman Saws

1 Answer

Rowdy, The blade seams stuck. It wont spin freely even . I took out the blade and inspected the spindle. I didn't see anything that looked out of place. the motor turned hard without the blade attached....

check the bearings, especially the commutator bearing for seizing up, this is a common problem for the table saws. Let me know the exact model number and if you have a bearing puller you can fix this easily. if not most shops won;t charge much to pull and press on new bearings.

Dec 29, 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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