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Delta 31-250 Drum Sander Motor

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Forum topic by pwalter posted 07-15-2013 09:52 PM 3113 views 0 times favorited 11 replies Add to Favorites Watch
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pwalter

79 posts in 2051 days


07-15-2013 09:52 PM

I was running a couple thin pieces of wood through my drum sander when it suddenly stalled out and the conveyor motor started making a terrible noise. I took the motor apart, and found 2 plastic gears stripped out.

I was wondering if anyone has come up with a fix for this. I tried looking for the gears, and can’t find replacement parts. Also, the cost of the motor is more than I will put into the drum sander. I actually hate the Delta drum sander but comes in handy, so I can’t see myself putting $300+ on a machine that I’m not to fond of.

I know a lot of people have had this same problem, I am just wondering if anyone knows of a place that sells replacement parts, or a fix for the gears that strip out.


11 replies so far

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JustJoe

1554 posts in 1505 days


#1 posted 07-15-2013 10:16 PM

I feel your pain. I had a Craftsman planer with plastic gears for the lift mechanism. One broke while planing and the head dropped down and it chewed itself up trying to eat an entire board. Parts of it are still sitting out in the dirt behind the workshop where I chucked the whole thing.

I just checked ereplacement parts and a new motor is $391! That hurts. Are enough of the gears there to get the specs – bore size, teeth, diameter, pitch etc? If so then you might be able to get someone local to you with a mill to make new ones of Delrin. Another place to look is Boston Gears – they’re sold through MSC. Is there any info on the motor itself that would indicate who made it for Delta? If so then we may be able to help you backtrack to the source and see if they have rebuild parts.

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pwalter

79 posts in 2051 days


#2 posted 07-15-2013 10:28 PM

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pwalter

79 posts in 2051 days


#3 posted 07-15-2013 10:29 PM

This is the only markings on the motor. The gears are weird. I doubt I will be able to find a “standard” gear for them. They are essentially a small gear sitting on top of a larger gear, all one piece.

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JustJoe

1554 posts in 1505 days


#4 posted 07-15-2013 10:56 PM

I can picture the gear you’re talking about – that’s not really uncommon. Boston Gears might sell it.
Another option is to look for a surplus motor on surpluscenter. They’ve got a lot of DC gear motors, something might fit.

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pwalter

79 posts in 2051 days


#5 posted 07-18-2013 12:35 AM

Well I haven’t had much luck. I am starting to wonder if it’s a lost cause. I found a Performax on craigslist for $425. I would much rather buy a used Performax, and a motor for this POS delta drum sander. But I am still hopefully that this has happened to someone else, and they found a fix for it.

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OggieOglethorpe

1213 posts in 1577 days


#6 posted 07-18-2013 12:41 AM

Are your stripped gears bevel gears?

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pwalter

79 posts in 2051 days


#7 posted 07-18-2013 12:42 AM

Honestly, they don’t look like it. They are completely stripped away, but there aren’t any signs that they are.

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pwalter

79 posts in 2051 days


#8 posted 07-18-2013 12:54 AM

Here is a picture of the gear. The larger gear is fine. It the smaller gear that is attached on top. ]http://i1150.photobucket.com/albums/o605/pwalter5110/get-attachmentaspx_zps90339047.jpg[/IMG][/URL]

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pwalter

79 posts in 2051 days


#9 posted 10-04-2013 01:04 AM

I know this is a very old post, but between a knee injury, a bathroom remodel, and a sewage line break I haven’t have much time to look into fixing this motor.

I realized the smaller gear is pressed into the larger gear. The larger gear is plastic, while the smaller gear is actually metal. I also measured the the gear. The diameter is .350 inches and the length is .460 inches for the smaller gear that is stripped out. It has 9 teeth, and the teeth aren’t angled. I don’t know the pitch of the gear though.

Does anyone know a source for online gears that may have a gear that will work?

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JustJoe

1554 posts in 1505 days


#10 posted 10-04-2013 01:18 AM

From another poster on another forum in a galaxy far, far away:

Looking at my Delta 31- 250 sander, the gearmotor has the following information:
Von Weise Model V07637AA83
90V DC, 1/30 HP, .45 amps,
Cont. Duty 98:1 ratio,
Serial D0700.
Going to the Von Weise website, they show the following gear assembly for this model: *http://estore.vonweise.com/a060970002gearassembly-2.aspx#.Uf14wCGIvIk.email*
The gear assembly part number is A06097-0002.
Von Weise also references an Output Gear H06099-0001.
The we site shows the gear assembly costing $35.95 and the Output Gear costing $34.95.

I can’t tell from the linked diagram if that’s just the large gear, or both, but a call to the company should answer some questions and $35 is better than $350.

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gfadvm

14940 posts in 2157 days


#11 posted 10-05-2013 12:48 AM

Just Joe, You are an absolute fountain of information! You more than carry your weight around here. (and your comments always make me smile).
Keep up the good work!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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