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General Maintenance Tips for the General Electric 3/4 HP Shopsmith Motor.

Bearing size: 6203 ZZ (I=17,O=40,W=12) (2 Required >> buy name brands only)
Relay - Original: 3ARR1 AE73
Relay - Replacement: 3ARR3 MARS550 (Same shape and mount as original)
Capacitor: 270 - 300 MFD 125V ac

Motor Side View
Image

Motor Back View
Image

Motor Name Plate
Image

Replacement Relay Parts Box
Image

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Dave - Idaho
Greenie S#261612 - Mar 1954 / Greenie S#305336 - Oct 1955 / Gray S#SS1360 - ?

"Why do we drive on parkways and park on driveways?" :cool:

Post #33502 by bucksaw » Thu Mar 19, 2009 11:03 pm

More Images...

Motor Top View (by MickyD)
Image

Capacitor
Image

Motor Wiring Diagram (by ect92guy)
Image

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Dave - Idaho
Greenie S#261612 - Mar 1954 / Greenie S#305336 - Oct 1955 / Gray S#SS1360 - ?

"Why do we drive on parkways and park on driveways?" :cool:

Post #33509 by JPG » Fri Mar 20, 2009 1:03 am

AND per your pix the capacitor IS 270 - 300 MFD 125V ac:)

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JPG

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
E(SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange

Post #33510 by JPG » Fri Mar 20, 2009 2:21 am

BUCKSAW: WHO makes a 6203 ZZ bearing with a C1 internal clearance? -not nsk, not ntn.:confused:

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JPG

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10
E(SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
I dropped my motor and smashed the relay casing but the works seems intact but some parts bent. I can put the box together but I need to reposition some of the relay parts. I need to repair this one or buy a new one. I motor is fine and I cannot spend $300.;00 or $400.00 on a new one.
Is there a way you can show or describe the configuration of the relay itself or tell me where I can buy a new or rebuild one?

Thanks mch, I really need help on this.

Sincerely,

Art Kownslar
(512)321_9977 or cell (512)321-8568

Post #49552 by johnm » Fri Oct 23, 2009 10:48 am

[quote="shotrabbit"]I dropped my motor and smashed the relay casing but the works seems intact but some parts bent. I can put the box together but I need to reposition some of the relay parts. I need to repair this one or buy a new one. I motor is fine and I cannot spend $300.]

Here you go....
http://www.carbonbrush.com/gerelays.html

Look at the first post for the replacement relay # 3ARR3

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John Mallick
Dripping Springs, TX

Beginning Woodworker
Passable Barbecue'er

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