Looking for a manual for a Craftsman Grinder Model 397.

I found the manual at ManualsLib here: https://www.manualslib.com/manual/487406/Craftsman-351-22632.html .

I hope this helps.

Cindy Wells

We get all out manuals online, so if you can't we can't either. I would contact Sears for the manual.

This switch is a very close fit, and it is rated for 20A 120VAC.
2LNA7 $11.09 / each
Grainger

I've used it on that vintage Craftsman bench grinder.
http://www.grainger.com/

Grainger 2LNA7 $11.09 / each
20 A/120 VAC

I have used this switch on that model od Craftsman grinder - 397.19581.

It is the closest fit, but not an OEM look. It is a red rocker with black base.
http://www.grainger.com/

The grinder should have come with a special wrench that fits the "nut" that holds the wheel on. There should also be a button to push to lock the shaft. With the grinder unplugged gently push the button in and turn the wheel till the shaft locks then put the whrech on the nut and spin it off.

Sears Craftsman is usually easy as Sears Parts Direct has diagrams and part numbers.
However your switch number 31919063033 is no longer available. I would suggest checking out online places like Digikey or Newark for a switch that will work for you. As long as the Voltage, amperage and number of poles and will fit in the space provided you should be OK.
Link to Sears Parts Direct.
Searching Model For Search Your Way 31919063 2
Link to Newark
Switches Relays 60 674 Products Found
Link to Digikey
Electronic Components

What do you need a manual for? It's a grinder, grind something!!

I know this is an old post, but maybe it will help others looking for information.

I have the Craftsman 1/3-HP grinder models: 397.19580 & 397.19581.

They are Split-Phase single voltage (115 V), and use a Klixon start-up current style relay - 2CR14-224.

The relay is normally open. When the large starting current in the main/run winding circuit is sensed by the the relay coil (term 3 & 4) which is in series with the main winding, the relay contacts close (term 2 & 4).

The one end of the start-up winding is connected to the main coil's BLK wire in the coil pack.

When the relay contacts close the start-up winding is energized. The start-up coil is used to provide a boost to over-come the resting inertia of the rotor.

Once the rotor reaches between 65% - 75% of operating speed, the current through the main winding circuit is reduced to the point that the relay coil cannot over come the return-springs force, acting on the relay contact arm. With the contacts open, the start-up winding is no longer energized.

This should take about 2-3 seconds, if the relay malfunctions, the high current through the start-up windings (thin wires) may be damaged.

Here is a diagram I have made.


Klixon 2CR relays are no longer available.

You may find a suitable replacement here:
http://www.herbach.com/Merchant2/merchant.mv?Screen=PROD&Store_Code=HAR&Product_

I have the manual you are looking for

http://www.searspartsdirect.com/partsdirect/index.action?sid=PSHx20080114x00001sj