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let's see your craftsman block grinders

Outlawmws

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A fairly standard toggle switch should do the trick. It's a common part. The bat style should do fine as long as the amperage rating is up to the load.
 
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Teter09

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Whoops, I forgot to come back and update this thread when I finished my 3/4 HP from my post up top at #101.

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I haven't done anything with the eye guards yet, as I'm debating on if I should save them or replace them. Odds are even if I replace them (for what is used) I will save them in case I upgrade and sell this in the future.

Edited to add the Colors used: Rustoleum Hammered Light Blue with Rustoleum Iridescent Pearl All in One Paint and Primer (but over top of a base coat of Rustoleum Flat White since the Pearl doesn't cover for ****!!!!)
 
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Outlawmws

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I looked at one of mine and the mounting is a standard toggle switch hole, you would want to match whatever back side terminal connections are used, other than that, its not difficult to find these switches. Hardware stores (Think ACE) , Automotive stores (Think NAPA) even some big box stores have them.
 
OP
E

emeraldcoupe

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Whoops, I forgot to come back and update this thread when I finished my 3/4 HP from my post up top at #101.

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I haven't done anything with the eye guards yet, as I'm debating on if I should save them or replace them. Odds are even if I replace them (for what is used) I will save them in case I upgrade and sell this in the future.

that turned out great. the color is awesome.
 

nine4gmc

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I looked at one of mine and the mounting is a standard toggle switch hole, you would want to match whatever back side terminal connections are used, other than that, its not difficult to find these switches. Hardware stores (Think ACE) , Automotive stores (Think NAPA) even some big box stores have them.


The rectangle hole is 3/4 x 1-3/8, I have only found one and it's not too pretty. If anyone finds an aesthetically pleasing motor rated switch for that size hole, please link me to it or provide a part number/location. I need one for the commercial grinder I redid for my potna a while back.
 

Daves69

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Kernersville, N.C.
Just picked up this one at a local auction. Paid $20 with a homemade axle stand. P/N 397-19430 1/2 hp
 

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toomanytoyzz

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Scooped this guy up at the local flea market for $15 today:badteeth:. The seller was looking for $25 until I pointed out the missing/broken piece on the right wheel. I've been looking for a 1/2 HP one for awhile. Runs as smooth as silk. This was a no brainer for me.
 

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Steroblan

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I've been watching this 3/4 hp 6.0 amp for about a month on CL. It started at $200. and I took it home for $80 this last Saturday. It's missing the light and quench tray but otherwise in great shape with almost new looking C-man wheels. So far, I have shortened the riser 9" and filled the base with concrete.

The seller also had a vintage Delta/Milwaukee table saw / Jointer combo for $50. that I almost brought home but already have enough wood equipment.
 

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jsokoly

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North Texas
I appreciate all the input. I had checked RadioShack and was disappointed that they had no motor rated switches. I managed to find one that works at Home Depot.


A fairly standard toggle switch should do the trick. It's a common part. The bat style should do fine as long as the amperage rating is up to the load.
 

Outlawmws

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Yeah, RS seems to have re-invented themselves as a cell phone retailer, at least the last few times I bothered going in. It's a shame, as it's hard to fins some of the items they used to provide routinely locally. on line for that these days.

Can you post the mfg and part No. of the switch for those that complained they could not find them?
 

thoraudio

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Outlawmws

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You sort of missed my point. While you can get virtually anything on line, having a local brick and mortar like the old RS made it so you could just go get the missing part and not have to wait for it to come in the mail, and not have to worry about lengthy return issues if it was the wrong part shipped.

It's called instant gratification, and that's what is fast disappearing in the consumer world for anything not mass marketed.
 

nine4gmc

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Gardner Bender GSW-121 heavy duty toggle switch. Home Depot sku 218779 and amazon both have it for $4.49.

That's a good looking switch for a round hole, thanks for the info. :beer:



Thanks for the reminder, I used to deal with them all the time but it's been years as you can tell by the old 2011 catalog :lol:... Anyway, I would like a walk in store to stock parts like these but as long as I can find what I need, ordering on line is not as bad as not being able to find one at all...

Now I just to find the switch that fits the rectangle hole in mine and my buddies grinders. :willy_nil

pic00281.jpg
 

K Powers

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Jul 17, 2013
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Alabama
sneaking up on completion, just need to finish the tool rests and safety covers
 

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K Powers

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thanks nine, might have been one on your build thread that inspired the combo cant remember where I saw it but cant take the credit.
 
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ShadowRuleZ

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Feb 27, 2011
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Detroit
Picked up another one, 1/3 HP. No plans for this one, think it's going to be a flip (if anyone is looking, let me know).

IMG_6591.JPG

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posaune

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Collinsville, Connecticut
I'm not sure how I haven't posted here before, but here are mine. The first is a 1/3hp I picked up off of CL for $30, I think.

x5oj.jpg

5frj.jpg


Then, because GJ is a bad influence and because I always wanted one with a stand, I couldn't pass up the 1/2hp for around $50.

x30g.jpg

uc7u.jpg
 

toomanytoyzz

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I'm not sure how I haven't posted here before, but here are mine. The first is a 1/3hp I picked up off of CL for $30, I think.

x5oj.jpg

5frj.jpg


Then, because GJ is a bad influence and because I always wanted one with a stand, I couldn't pass up the 1/2hp for around $50.

x30g.jpg

uc7u.jpg


That 1/2HP Commercial one is purdee:thumbup:! Do you know if the stand was originally sold together with the grinder?
 
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posaune

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That 1/2HP Commercial one is purdee:thumbup:! Do you know if the stand was originally sold together with the grinder?

I dont know, but I'm assuming so. The holes line up perfectly and they are the same vintage. The guy I bought it from got it from a relative's house or something, so he didn't know if it was all bought together or not.
 

torqueman2002

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SE Michigan
Somewhere in this thread I posted my 397-19591 commercial 1/2 up. Doing some clean up and the switch fell apart and I apparently lost some pieces since I can't get the switch to operate anymore. Does anyone have a source for a suitable switch replacement?

Does the switch look one of these?
CM05HP39719591Labela.jpg


Here's a wiring diagram.
f2f743ef-7bd9-4565-aa5b-ced5bdd88ff5.jpg


Picture of inside.
36153265-0a5c-41b0-8629-0e7e1d906e52.jpg


e539b0ad-d9fb-44a9-a832-212f8182a2bc.jpg


P1000006.jpg


If it does, you might try this solution.
P1000117.jpg


P1000110.jpg


Of course, the adapter plate is not needed with the first style shown.

For more details, search my other posts on this forum and here --> http://tinyurl.com/Torqueman2002-Search.
 
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torqueman2002

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Can't say I've ever ground a block before......These all look like bench grinders to me......:dunno:

"... classic Craftsman bench grinders that were manufactured for Sears by Paramount/Allegretti & Co. from the early 1960's to early 1980's. Affectionately known as "Block Motor" grinders because of their unique shape, these power tools have developed a large following among shop enthusiasts because of their legendary reliability, accuracy, and power."

Read lots more here -->. http://tinyurl.com/CM-Block-motor-style-grinders

:thumbup:
 

torqueman2002

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torqueman2002

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I took a nice trip south into mid-Ohio farm country today to pick up a light duty Block grinder. $35.00

025HP39719400115Vbsmall.jpg


025HP39719400115Va.jpg


It's missing the eye shields and needs a new wire wheel and stone. But it came with a stand I haven't seen until post #548 above.

025HP39719400115VwithCrownTopStand2.jpg


CrownTopStand2.jpg


P1030462.jpg


CrownTopTag1.jpg
 
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torqueman2002

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I'd sure love to get a NOS CM Block grinder, but that is too rich for my blood.

I've been watching what happens to that listing, I wonder if it will sell at that price.
 

jeb42

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Oct 25, 2011
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Location
east texas
I have a 3/4 hp block grinder that I found when cleaning out junk at work. The old timers here said it was taken out of service about 15 years ago because it was slow to start. I took it home and plugged it in and it hummed until I touched the wheel and then it started working. I has run good for about 6 months until last night, when it did that slow start or hummed a couple of times. When it starts it runs good, but if I have to bump start the wheel it hums and runs at partial power. Does anyone know if that is a capacitor and if so where you can locate one?
 

zkling

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Jan 23, 2007
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I have a 3/4 hp block grinder that I found when cleaning out junk at work. The old timers here said it was taken out of service about 15 years ago because it was slow to start. I took it home and plugged it in and it hummed until I touched the wheel and then it started working. I has run good for about 6 months until last night, when it did that slow start or hummed a couple of times. When it starts it runs good, but if I have to bump start the wheel it hums and runs at partial power. Does anyone know if that is a capacitor and if so where you can locate one?

Yep, sounds like a cap issue. It should be located under the bottom sheet metal cover. Set the grinder on it's back and remove the bottom sheet metal inside the base. Grainger or the like should carry the cap. Good find though. :thumbup:

Yeah, too much for me also otherwise it would be on my bench right now.

Sent from my SCH-I800 using Tapatalk 2

There was a NOS still in box on our craigslist for a few days for ~$150 grinder only. I posted it in the craigslist deals thread. The ad has now been deleted, so I guess it sold? :dunno:
 
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