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Ridgid r4512 clicking/slapping trouble

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Forum topic by Graeme posted 08-17-2012 03:25 PM 2374 views 1 time favorited 37 replies Add to Favorites Watch
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Graeme

27 posts in 1640 days


08-17-2012 03:25 PM

Ok so I was buzzing through some thick wood yesterday and it bogged the saw down to the point of throwing the electric breaker. Stopped. So I plugged it into a different socket and continued to saw away. Everything was fine except after that incident a little while later I started to hear what I can only describe as a repetitive clicking/slapping sound when the saw gets going. Think bicycle card in wheel sound but not so slappy if that makes sense. It is not entirely like a clicking sound either, but maybe you get the picture.

The saw still cuts fine without any noticeable loss of power, yet, but I would like to know what that sound is so I can fix it before it becomes something bad. I took the insert off and blew everything clean with air which did not change anything. I switched blades and the sound persists, so I do not think the blade is thrown out of flatness. Haven’t gone any deeper than that yet. Any suggestions?


37 replies so far

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lumberjoe

2893 posts in 1715 days


#1 posted 08-17-2012 04:34 PM

Did you see what kind of shape your belt is in?

-- https://pinepointwoodworks.wordpress.com/

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Graeme

27 posts in 1640 days


#2 posted 08-17-2012 05:03 PM

Just from removing the insert and looking in it looks fine. The saw is only a month old. I am not entirely thrilled to turn the thing over and get in there as it weighs about as much as mature hog. Wish Ridgid had made the top with hinges so it could open up.

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nwbusa

1017 posts in 1753 days


#3 posted 08-17-2012 05:09 PM

Have you removed the rear panel to have a better look inside?

-- John, BC, Canada

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Graeme

27 posts in 1640 days


#4 posted 08-17-2012 05:15 PM

Oh I can remove the panel? I will go have a look. Didn’t now there was a way to access without breaking my back flipping it over.

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nwbusa

1017 posts in 1753 days


#5 posted 08-17-2012 05:18 PM

Yes, six screws hold the rear panel in place. Let us know what you find.

Edit: one other thing to check while you’re inside the saw. Make sure that the foam block they stick in there between the motor and the underside of the table is completely removed. A piece might have broken off and be causing the noise.

-- John, BC, Canada

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lumberjoe

2893 posts in 1715 days


#6 posted 08-17-2012 05:23 PM

You don’t have to flip it over. Pop the back and/or side panel off. You probably stretched or created a flat spot in the belt. Is the noise present ONLY when the motor is running? Does the noise change frequency with blade rotation speed?

-- https://pinepointwoodworks.wordpress.com/

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Graeme

27 posts in 1640 days


#7 posted 08-17-2012 06:08 PM

Ok. Got the back off and after running it as near as I can tell it is coming from the belt, not entirely sure though, hard to tell. The ribbed belt is on track. The noise seems to have a slight ebb and flow to it. In and out. It is persistant throughout the duration of power on, but it is a little louder, a little quieter. So that might be a change in frequency that lumberjoe is referring to. It is present only when the motor is running. Can’t duplicate with manually spinning the arbor. What is belt tension supposed to be at? When I pull at it I get maybe 1/8” to 1/4” play in it? When the motor clicks off it stops.

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lumberjoe

2893 posts in 1715 days


#8 posted 08-17-2012 06:15 PM

Replace the belt. You probably have a flat spot. While you are at it, it’s a perfect time for a link belt upgrade.

-- https://pinepointwoodworks.wordpress.com/

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Graeme

27 posts in 1640 days


#9 posted 08-17-2012 06:20 PM

Hmm. Does that link belt work with the ribbed pulley? And how long do I have before this belt flys off, hypothetically?

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lumberjoe

2893 posts in 1715 days


#10 posted 08-17-2012 06:25 PM

Many people have upgraded to a linked belt on the R4512. I haven’t yet, but it’s on my list. I would replace that belt before using the saw again. I’m also not 100% sure that is even the issue, but you won’t know until you replace it

-- https://pinepointwoodworks.wordpress.com/

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Graeme

27 posts in 1640 days


#11 posted 08-17-2012 06:33 PM

I see it can be bought by the foot. How do you close it off to make a solid belt?

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Graeme

27 posts in 1640 days


#12 posted 08-17-2012 06:47 PM

Oh I see. It just links. Duh.

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Graeme

27 posts in 1640 days


#13 posted 08-17-2012 08:05 PM

I took of the belt and ran it. No noise. So hopefully it is not a motor issue. I am going to put the belt back on and try to get it a little tighter. Could be bearings? Warped arbor? Loose belt?

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toolie

2025 posts in 2095 days


#14 posted 08-18-2012 02:37 AM

if the motor’s not making noise with the belt off, it’s not the motor. i had a similar noise with a 10” ridgid contracotor saw. turned out to be a loose arbor pulley that was barely contacting an adjoining part of the aw’s undercarriage. realligned it and it’s still humming away like it should.

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

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Graeme

27 posts in 1640 days


#15 posted 08-18-2012 03:20 AM

@toolie I have been fooling with it all day. What you describe seems like what is happening. I put the belt back on and tightened a bunch. Then I got a buzzing noise that was worse than the original noise. I loosened the belt and the buzzing lessened, but is still there a little. I would like to get it back to original smooth hum. How do you realign the arbor pulley? I wish there were more videos online for this saw. Everyone seems to make a video about putting the saw together which was actually an easy task. Can you tell me how to get that thing aligned? Thanks.

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