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Manufactured/Badged by:
Sears | Craftsman

True Manufacturer:
Delco Products Corp., Dayton, OH
Machine Specifications
Machine Class: Wood Working Machinery
Machine Type: Grinder, Bench
Machine Size: 6 x ¾ x ½
Submitted By: Brian Kachadurian
Machine Specifications
Description/Model: 397.19580
Date of Manufacturer: 12/20/1969
Serial Number: none
Last Updated 3/19/2018 3:21:11 PM

This grinder was purchased new by my Uncle. Upon his passing it went to my father.
When I moved into my first home, my father gave me this grinder. It was NOS and I have the original box.
The lamp is not original, I assembled it from components similar to the original flexible gooseneck and reflector.
Craftsman model 397.19580 1/3hp 3450rpm 3.5A 115V bench grinder, design C2371.

Wiring reference:
Black 125V in - side tab On/Off toggle
White 125V in - single tab of relay
Green 125V in - grinder body ground
Motor white (yellowish) - center tab On/Off toggle
Motor black - middle tab of relay pair
Motor red - outer tab of relay pair
Lamp - pair one lead with black 125V in at toggle for lamp to go on with grinder start
Lamp (optional) - pair switch lead with white motor lead out of toggle for power without grinder running
Lamp - pair with white 125V lead at relay

Based on disassembly several samples of this grinder, the end bell cross bolts have been measured at 15 in-lb of tightening torque. Excess torque of the upper bolt will result in casting deflection and subsequent arbor bearing seizure.

Photo 1:

Comments: Wiring view from bottom (cover removed)
Source: Nikon Coolpix with flash in my basement workshop
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