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Jet 1632 Drum sander - broke belt motor drive gear

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Forum topic by ChrisBarrett posted 01-25-2020 05:46 PM 793 views 0 times favorited 39 replies Add to Favorites Watch
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ChrisBarrett

129 posts in 1698 days


01-25-2020 05:46 PM

Happy Saturday to everyone but me!

I have appeared to have sheared off 3 teeth on the belt motor drive gear, which is the gear that is attached to the shaft coming out of the motor transmission housing.

Does anyone know if Jet or anyone else sells replacement gears, or will I be stuck replacing the whole motor for $300? :-/ :-/ :-/.


39 replies so far

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ChrisBarrett

129 posts in 1698 days


#1 posted 01-25-2020 05:46 PM


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Andybb

2509 posts in 1244 days


#2 posted 01-25-2020 08:14 PM

Jet Parts

-- Andy - Seattle USA

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ChrisBarrett

129 posts in 1698 days


#3 posted 01-25-2020 08:28 PM

Andy, unfortunately they only appear to sell the whole motor as an assembly at a cost of $282. I have to wait till monday to call Jet. Hopefully they’ll sell just the gears or transmission assembly.

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Andybb

2509 posts in 1244 days


#4 posted 01-25-2020 08:32 PM

Saw that. Didn’t see part listed separately in the drum or conveyor motor assembly.

-- Andy - Seattle USA

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ChrisBarrett

129 posts in 1698 days


#5 posted 01-25-2020 08:34 PM

Yeah the part in question is #1 in the first picture there, the gears are housed in that square piece attached to the motor – for anyone wondering. :)

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Andybb

2509 posts in 1244 days


#6 posted 01-25-2020 09:13 PM

That’s what I figured. If Jet doesn’t sell it separately they might be able to give you the specs on the gear and you can order one from a gear supplier.

Or….look for a local machine shop who can make one for you

Or….use a $49 MAP gas torch from Lowes and braze and grind that one and repair it. It can’t be all that heavy duty if the gears broke before the breaker tripped.

-- Andy - Seattle USA

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JoeK1

25 posts in 1055 days


#7 posted 01-25-2020 09:51 PM

You could try looking at bostongear.com It will require a bit of research on your part. I think it is much easier with a catalog than online. It would be tough to find a machine shop willing to setup to cut one gear for a reasonable price.
The drive is most likely a standard product from another supplier.

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CWWoodworking

631 posts in 820 days


#8 posted 01-25-2020 09:59 PM

Worst case senecio, get some soft steel and make one.

3 bills for a $10 motor/gear is robbery.

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Andybb

2509 posts in 1244 days


#9 posted 01-25-2020 10:11 PM

It would be tough to find a machine shop willing to setup to cut one gear for a reasonable price.
The drive is most likely a standard product from another supplier.
- JoeK1

Very true. Somebody sells that gear. I doubt it’s a “Jet” custom gear. Somebody in Asia makes those gears by the thousands every day.


Worst case senecio, get some soft steel and make one.

- CWWoodworking

Also true but I just thought it’d be easier to try and braze and file a couple of teeth. Find someone with a torch that can fill in the gear then file th teeth back in. Just a thought since it’s agreed that $200+ for a new motor is silly.

-- Andy - Seattle USA

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ChrisBarrett

129 posts in 1698 days


#10 posted 01-25-2020 11:45 PM

Great suggestions, thanks everyone. I’ll update the thread when I get a chance to talk to Jet. Does anyone have resources online on how to measure/identify gears? I know basically nothing about them.

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CWWoodworking

631 posts in 820 days


#11 posted 01-26-2020 12:00 AM



Great suggestions, thanks everyone. I ll update the thread when I get a chance to talk to Jet. Does anyone have resources online on how to measure/identify gears? I know basically nothing about them.

- ChrisBarrett

Whatever company your buying it from will tell you how to measure.

My guess would be #of teeth, O.D., I.D., thickness. Calipers is a useful tool.

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Andybb

2509 posts in 1244 days


#12 posted 01-26-2020 12:45 AM


Whatever company your buying it from will tell you how to measure.

My guess would be #of teeth, O.D., I.D., thickness. Calipers is a useful tool.

- CWWoodworking

Yeah. If you don’t have calipers grab some from harbor freight. They’re cheap and accurate.

-- Andy - Seattle USA

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4wood

46 posts in 594 days


#13 posted 01-26-2020 03:20 AM

Post a photo of your motor showing the part number and there may be someone on Lumberjocks with a burnt out motor that would help you out with the gears.

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ChrisBarrett

129 posts in 1698 days


#14 posted 01-26-2020 03:53 AM

Yeah I do have a set of digital calipers, I was using them to measure the thickness of the pieces I was sanding. Had them down to 1.001 inches :-D :-D :-D

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Lazyman

4681 posts in 2028 days


#15 posted 01-26-2020 03:59 AM

Maybe you could find another gear box with similar specs and still use the motor? If not, you may be able to find a cheaper motor and gearbox combo from Grizzly or one of the other vendors. For example Grizzly P0458Z042 is $171. In the parts schematic it looks similar to the Jet motor/gearbox but it’s hard to know for sure. You may have to get specs and measurements and search the companies that sell convery motor gearboxes and see if anyone sells a cheaper one.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

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