Bummer

[joe dirt]

This is what I found when I went to change the blade. 2 month old saw, Do you see this often ?At All?
Up to 2 weeks for replacement part,,,,, not happy, back to snappin chaulk lines!

 

[Rick Christopherson]

Please don't be offended by my analysis, but whatever you hit with the blade, it was pretty darned hard. You not only cammed out the shaft flats, but broke the alignment keys too. If it was only one or the other, I would attribute it to a loose arbor bolt. But in order to break both of these features, your arbor bolt had to be tight, and you hit something to bring the blade to a very abrupt stop.

Has anyone else used your saw? Whoever was operating the saw at the time this happened, they knew about it, but just didn't tell you. It would have been a major kickback, and the operator would have felt it.

[attachimg=#1]

Also, you didn't say whether you were sending the whole saw in for repair, but I would strongly recommend that you do. In all likelihood, you broke one or more teeth off the spiral gears that drive the arbor.

[attachimg=#2]

 

[ajones]

+1 with Ick

although I would have thought that the arbour bolt must have been looose to allow it to camm out, But ick knows more about this stuff than me  [big grin]

must have been one hell of a wallop though.. possibly would jave given  the operator a bit of a fright.

 

[Rick Christopherson]

Yes, my very first thought was a loose arbor bolt. However, I ran through several scenarios and each one failed to cover it. The biggest reason is because this is a TS55EQ, and it doesn't have the friction slip clutch. So the blade will freewheel if the arbor bolt is even slightly loose. The second is because the alignment keys won't allow a loose arbor bolt to self-tighten, like what a tablesaw arbor will do. I even considered the extreme situation of the bolt being so loose that the alignment keys were not engaged, but it takes 1-1/2 turns of the arbor bolt to close the difference between the keys being misaligned and aligned. So when the keys did align, the arbor bolt would still be a full turn loose, and the blade would still freewheel.

So the only way for the alignment keys to get damaged and the arbor shaft to cam out, is if the arbor bolt was fully tightened.

P.S. I'm still trying to come up with a clever comeback for the "Ick", but your name has so many F's, OO's and L's, nothing is coming to mind. I'm sure I'll think of a good comeback soon though.  [big grin]

 

[ajones]

Yes, my very first thought was a loose arbor bolt. However, I ran through several scenarios and each one failed to cover it. The biggest reason is because this is a TS55EQ, and it doesn't have the friction slip clutch. So the blade will freewheel if the arbor bolt is even slightly loose. The second is because the alignment keys won't allow a loose arbor bolt to self-tighten, like what a tablesaw arbor will do. I even considered the extreme situation of the bolt being so loose that the alignment keys were not engaged, but it takes 1-1/2 turns of the arbor bolt to close the difference between the keys being misaligned and aligned. So when the keys did align, the arbor bolt would still be a full turn loose, and the blade would still freewheel.

So the only way for the alignment keys to get damaged and the arbor shaft to cam out, is if the arbor bolt was fully tightened.

P.S. I'm still trying to come up with a clever comeback for the "Ick", but your name has so many F's, OO's and L's, nothing is coming to mind. I'm sure I'll think of a good comeback soon though.  [big grin]

excellent [big grin]

 

[Rick Christopherson]

excellent [big grin]

Which part, my explanation, or my hunting for a new nickname for you?  [big grin]

 

[ajones]

excellent [big grin]

Which part, my explanation, or my hunting for a new nickname for you?  [big grin]

a video clip of b.a baracus is called 4 [wink]

 

[Sparktrician]

Good analysis, Ick.  I learned something from it. 

[smile]