Question about Orion Craftsman Professional 8 in. Bench Grinder, Variable Speed

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Looking for parts for variable speed grinder

Looking for parts for craftsmanvariable speed grinder

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  • Jim London
    Jim London May 11, 2010

    Hi, Which model do you have? What parts are you looking for? Sears has a great parts depot for all of the craftsman products.

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Variable speed grinder model 315.17340


that comes up as a craftsman brand by sears ( mass produced )
variable speed grinder

I cant find an exploded view or user manual
if you cant get the value information
think you will be up for an oscilloscope



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Jul 03, 2016 | Bench Grinders

1 Answer

Porter cable


DO NOT leave it that way - that fuse is for YOUR protection, and the protection of your family and neighbors.

That humming is probably an byproduct of the speed control, not too much to worry about. The vibration should go away almost entirely when you reset the wheels to run true and dress them to balance.

The capacitor is your starting capacitor - its voltage rating is completely unimportant - that's a max voltage rating, and they only wanted to stock one capacitor, not have one for the 120V versions and a second one for the 240V versions.

Did you by chance start working on this grinder while it was still under warranty?

If the wheels turn freely when the power's off, and if the grinder doesn't get awfully warm when it's in use, then I'd think that the problem is within the speed control board.

Feb 10, 2014 | Bench Grinders

1 Answer

No control of speed on bench grinder,need schematic


Unless the motor is a brush type universal unit, there is commonly no way to change the speed of an induction motor. There are AC motor speed control units available, but cost more than the grinder as they change the frequency as well as the voltage. There are speed controllable grinders available that use brushes so that simple electronics can control speed. Hope this helps!

Dec 08, 2010 | Craftsman 6" Bench Grinder with Lamp

1 Answer

No motor replacement for 152.217060 6 1/8 planer


You are correct, there is no replacement for part # OR90357, but if you have the original motor, I am sure that a local electric motor repair shop will be able to repair, or replace it. I'm confident that this is your best option at this point.

Nov 25, 2010 | Orion Craftsman Professional 8 in. Bench...

1 Answer

Smoke comes from around the switch when turned on & is slow to turn initially. mine is a fixed speed


If it is under warranty, take it back. If not then it is a simple matter of replacing the switch. Take off the cover and pull out the switch. Mark each wire as you take it off. Take the switch with you to the store. First try a hardware store, then an auto parts store. If they don't have it try Sears. They will probably be able order it. Make sure you have the model number of your grinder. It is on a data plate somewhere on the grinder. If Sears can't get it, try a wholesale electrical parts house.

Nov 19, 2010 | Orion Craftsman Professional 8 in. Bench...

1 Answer

Have 25 year old Wilton belt grinder. Belts seem to wobble when running then will just not track. Not sure what part needs replacement.


The motor and grinder pulleys need to be perfectly parallel or the belt will track to one side or the other. The belt must be uniform with no stretch or wear points which will cause erratic travel. Hope this helps!

Nov 09, 2010 | Wilton Variable Speed Wheel Grinder, Bench...

1 Answer

Im looking for a grinder to sharpen shears, im a barber


You need a small variable speed grinder that has a fine grit stone on it. A regular bench grinder will ruin a pair of shears in short time. Look for one at Sears and explain your needs. Good luck!

Nov 06, 2010 | Sears Bench Grinders

1 Answer

BROKE THE TOOTHED BELT ON MY BENCH COMBO GRINDER/WIRE WHEEL


I had the same problem, I went to a pawn shop, some times they have part for some of the items they buy . I wish you luck in finding one. it took me some time. hope you find one

Apr 20, 2010 | Orion Craftsman Professional 8 in. Bench...

1 Answer

I need an owners manual for delta gr450 8


Here's a link to download the pdf.
http://www.dewaltservicenet.com/documents/English/Instruction%20Manual/Delta/A15786.pdf

If it doesn't work, start here:
http://www.deltaportercable.com

Mar 02, 2010 | Delta Shopmaster 8" Bench Grinder

2 Answers

Grinder won't stay running


The capacitor is easy to change and can be matched once you remove it by any electronics parts house.

Nov 24, 2008 | Delta 23 884 8 Inch Bench Grinder Wheel,...

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