Benchtop Grinder Whine

[1190R]

My faithful benchtop grinder developed a whine

I assume it's a bad bearing but would like confirmation

If so, how easy is it to replace?

Any instructions appreciated

 

[FrankLee]

I suspect you're correct.

Bearings should be easy if you have the correct tools (puller, roll-pin punch).

Here's a manual from a similar(?) model.

http://vintagemachinery.org/pubs/1992/20056.pdf

remove the wheels
remove the thru-bolts
remove the roll-pins(?)
remove the left end cap
remove the rotor assy
pull the bearings

Pay special attention to the order of parts removed so they are installed correctly.

 

[The Cobbler]

sure sounds like a bearing. I agree that it's a fairly easy repair

 

[seber]

That does not sound like a bearing to me. More like the dust seal. Nonetheless, you might as well replace both while you have it apart.

 

[1190R]

That does not sound like a bearing to me. More like the dust seal. Nonetheless, you might as well replace both while you have it apart

That would be nice

Maybe something stuck in there that I can blow out

 

[Nutria]

One other thing-- some longer pieces of allthread can be handy for pulling the end bells back together. Once you get them close, you can use the shorter pieces from the motor.

 

[1190R]

Good call seber

Blowing out the seals resolved the whine

Must have gotten a piece of wire from my wire wheel or something similar stuck in there

 

[Beerhippie]

My benchtop grinder is a Wen. Do you hear me whining?

 

[1190R]

Must have gotten blown too