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Delta Jointer 37-190 Blowing internal fuse

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Forum topic by Mike posted 06-18-2014 01:02 AM 873 views 0 times favorited 5 replies Add to Favorites Watch
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Mike

2 posts in 907 days


06-18-2014 01:02 AM

New at woodworking. Purchased a used Delta jointer 37-190 for $75. Worked fine for a while. Now when I put a load on it, it pops an internal fuse and shuts down. Puff of smoke. I can press reset button and it comes back on, but the same thing happens. Can anyone tell me what’s happening, and whether it’s worth fixing? Machine is clean otherwise, and does a great job.

-- Mike, Lancaster NY


5 replies so far

View Bogeyguy's profile

Bogeyguy

548 posts in 1536 days


#1 posted 06-18-2014 01:23 AM

Obviously a motor problem. Pull it off and take it to a motor repair shop to have it checked. May be something simple.

-- Art, Pittsburgh.

View WhyMe's profile

WhyMe

617 posts in 1029 days


#2 posted 06-18-2014 03:16 PM

Check all electrical connections and if using an extension cord, try it without.

View MrUnix's profile

MrUnix

4247 posts in 1667 days


#3 posted 06-18-2014 06:15 PM

I’m gussing you are talking about the thermal overload protectior on the motor? Try spinning the cutterhead by hand (using the belt) to see if there is any unusual resistance. If there is, take off the belt and try to isolate it to either the cutterhead bearings or motor. If the cutter head turns freely with the belt off, then it most likely is a problem with the motor, such as bearings going bad or a stuck centrifigual switch. If you can’t find anything unusual, try running the machine with the belt off and see if the problem still persists. If it does, then there is a problem with the motor and it will need to be opened up to determine what it might be.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

View nicksmurf111's profile

nicksmurf111

361 posts in 918 days


#4 posted 06-18-2014 08:38 PM

Smoke is bad. The suggestions above are good. Look for loose connections, stuck centripetal switch, don’t use thin/long extension cords or better yet no extension cords at all. Blow the dust out of the motor with an air compressor. Only run it on a 20 amp circuit. Chucking the motor in the trash and buying a used ~1hp motor would be cheaper than having it professionally repaired. Changing motor bearings is really easy, you might just need a puller and some basic hand tools.

-- Nicholas

View Mike's profile

Mike

2 posts in 907 days


#5 posted 06-20-2014 08:19 PM

Thank you all for the suggestions. I hope to work on it this weekend, and will report back as to my findings.

-- Mike, Lancaster NY

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