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Ridgid 3650 motor noise w/ video

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Forum topic by Dewoof01 posted 12-06-2015 05:27 AM 441 views 0 times favorited 9 replies Add to Favorites Watch
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Dewoof01

6 posts in 390 days


12-06-2015 05:27 AM

Hey Guys have a used 3650 that today the motor just started making this noise. Feels maybe a little down on power too. Took off the blade, belt, and the fan shroud and still makes the noise. Noise is for sure coming I internally from the motor. Ideas? I have ridgid lifetime warranty and original receipt but the service center closest is over an hour away. Link below to YouTube video.

https://youtu.be/oZG4GsgkCHM


9 replies so far

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MrUnix

4230 posts in 1664 days


#1 posted 12-06-2015 05:38 AM

Can’t watch the video.. says it’s private.

But, since you say it’s a used machine, and the noise has been narrowed down to being internal to the motor, my bet is bearings. It could be something else though, like a stuck piece of wood or something in the motor, but you would most likely need to open up the motor to figure it out, and that would void your warranty. Try blowing it out with compressed air. If that doesn’t work, you can either jump in your vehicle and take it to be fixed, or fix it yourself, your call.

Cheers,
Brad

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

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Dewoof01

6 posts in 390 days


#2 posted 12-06-2015 06:00 AM

Sorry got the privacy thing changed. I already blew it out with compressed air. First thing I did. Thanks

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MrUnix

4230 posts in 1664 days


#3 posted 12-06-2015 06:06 AM

Yeah, the motor needs to be opened up to pinpoint the problem. Does sound like the bearings are toast though. Try removing the belt and spinning the motor by hand. If it sounds crunchy or free spins more than a revolution or two, then that is most likely the culprit. Easy fix, but you would void any warranty you might have (you did register it, right?).

Cheers,
Brad

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

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knotscott

7215 posts in 2840 days


#4 posted 12-06-2015 12:19 PM

Yep…sounds like bearings to me.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View dhazelton's profile

dhazelton

2325 posts in 1761 days


#5 posted 12-06-2015 01:07 PM

Screechy bearings. Pull the motor, take off the end caps and drive out the bearings. Call Accurate Bearing or find a local motor repair shop and get new ones. It will be cheaper than driving two full hours to get the saw to Ridgid and two full hours to get it back. Plus you did it yourself. When you reinstall the motor make sure the belt isn’t too tight – one reason they may have failed.

View kaerlighedsbamsen's profile

kaerlighedsbamsen

1177 posts in 1178 days


#6 posted 12-06-2015 01:17 PM

If it is a 220/110v motor it might have a centrifugal swich inside that can make contact with the sides of the housing if broken. Make sure to service it as well if you already have it open for bearing change.

-- "Do or Do not. There is no try." - Yoda

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Tennessee

2410 posts in 1979 days


#7 posted 12-06-2015 01:32 PM

Used to rewind motors for the US Navy
I vote for bearings.

-- Paul, Tennessee, http://www.tsunamiguitars.com

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toolie

2024 posts in 2093 days


#8 posted 12-06-2015 01:56 PM

Sounds like bearings. The 3650 did not have a lifetime warranty. They did have a 3 year guaranty and the original owner was eligible to register the saw with ridgid’s Lifetime Service Agreement. If you registered the saw w the LSA, remove the wings, take the saw off the base and get it to a service center. The LSA provides for free repairs for the life of the tool. Good luck.

-- there's a solution to every problem.......you just have to be willing to find it.

View Dewoof01's profile

Dewoof01

6 posts in 390 days


#9 posted 12-06-2015 03:52 PM



Screechy bearings. Pull the motor, take off the end caps and drive out the bearings. Call Accurate Bearing or find a local motor repair shop and get new ones. It will be cheaper than driving two full hours to get the saw to Ridgid and two full hours to get it back. Plus you did it yourself. When you reinstall the motor make sure the belt isn t too tight – one reason they may have failed.

- dhazelton

Sounds like a plan. I prefer to do things myself anyways. Thank you guys. I was thinking bearings just wantedca confirmation. I was just surprised it was so sudden literally I flipped it on the next time and it was shot.

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