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Discussion Starter · #1 ·
My Ridgid spindle sander started acting up. It seems to take a lot less pressure to bind it up and then it won't restart the sander. I get a buzz, and it might go with a little help, go by itself, or just buzz and do nothing. When that happens there is a burning smell. Any ideas besides the motor being shot? It's a good 2-3 years old and has been a great tool. Just started this tonite.
 

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motor..
does it have brushes...
time to test the lifetime warranty...
 
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Could be a bearing seizing up if it really is binding up. Otherwise loss of power is usally brushes or the armature windings.
 
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I have one of these. Does this happen with all sizes of drums? I have had trouble with the smallest drum slipping on the shaft if I do not almost over-tighten the top knob. I think I burned it on an early try and it glazed the inside so it slips even easier now. If it does it with all your drums then I also vote for motor trouble. I have used the lifetime warranty on a 5" ROS and they were good on their word and fixed it for free on a timely basis. I like Rigid stuff for that reason.
 

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Discussion Starter · #6 ·
Never had to use the spindles --- always have used the belt. When it binds smoke comes out the back. Sometimes it'll take off ok and others it needs a helping hand, I mean push. Other times it won't budge.

Went to Menards and got a disk/belt sander on sale for $60. Free after I redeemed my rebate card. Plus it's a 36 instead of a 24 inch belt. May use the 6" disk - never used the spindle part on the Ridgid.
 

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Sounds like a bearing John. If you took it apart and removed the drive belt you could be sure. If one's stiff or you feel a bump as you rotate then it is hooped.
 

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I have that sander and I think it's direct drive like their contractor's saw.

I'd look at taking it apart and cleaning out the bearings and making sure the motor rotor turns freely.


Letting the magic smoke out of an electrical appliance is often fatal, and expensive to replace ;-)
 

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Discussion Starter · #9 ·
Paid a little more attention to it today. If it stops with the spindle in the up position or if I pull it up it starts right away with the switch and no help. When it's in the down position is where it hangs up. I got it going this evening and used it on about a dozen pieces with no problem. i have a big show this weekend so if I can make it til Thursday, I'm good. Then I'll start digging into it.

Went to Menards and found a disk/belt sander (36 inch - Ridgid takes a 24 inch belt) on sale for $60 - plus the 11% rebate - so I picked one up.

This one was bought when Ridgid was first starting their lifetime warranty thing and registration was so complicated that I never registered it, so it's not covered. Love the machine but I never used the spindle part of it so maybe the disk/belt may work better.
 

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This one was bought when Ridgid was first starting their lifetime warranty thing and registration was so complicated that I never registered it, so it's not covered. Love the machine but I never used the spindle part of it so maybe the disk/belt may work better.


Check with them anyway. Many states require warranties to be honored even without registering.
 

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John,

Found this manual online, don't know if it is the same model as yours or not. Look on page 29-30, it does show a relay in the motor start circuit as I talked of last evening.

It does sound more like a binding/bearing issue though. Have you tried it with the sanding belt attachment removed?

The manual does have a parts breakdown that may be of help too.
 

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...might be time for a good cleaning...lots of fine dust gets in there.
 

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I doubt it's the motor unless you've had continuing problems. Motors most often give more than one specific indication that the problem is in fact the motor.

The bearings, dust, and perhaps small chunks of debris can do exactly what you have stated.

Clean it good with compressed air, lubricate where indicated, and use a make-shift stethoscope (hose) to locate the area of noise.

Even if it should turn out to be the motor as long as you purchased it at Home Depot in-store or online and registered the product, there shouldn't be a problem with getting it fixed for free.

*Sorry- just saw where you didn't register the product. While registration was complicated several years ago, it couldn't be easier now. Upon submitting the necessary information (model number, serial number, and a jpeg or pdf of the order and/or receipt) I get back registration approval with a few hours. That's one of the reasons I typically buy Ridgid tools.

Steve
 
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