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Forum topic by richardwootton posted 06-05-2013 09:50 PM 495 views 0 times favorited 5 replies Add to Favorites Watch
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richardwootton

1472 posts in 708 days


06-05-2013 09:50 PM

I bought a new Buffalo 6” long bed jointer a couple of weeks ago and after I got it home I got it set up preliminarily and ran a piece of scrap through just to make sure everything was working alright. Well last night I was getting it set up and making sure the in-feed and out-feed tables were co-planer, and that the fence was true and square. I plugged it in, grabbed a decent sized piece of scrap to test it with, and started it up. As soon as I started it up it sounded like something had come loose and rattled nasty. At first I thought the cutter head was running up against something, so I checked that and it wasn’t the problem. Looking around in the cabinet there was nothing obviously loose. I then used the pulley to manually turn the motor to discover that was where the noise was coming from. The noise it was making when manually turning it sounded like a fan blade or something was bumping up against the motor housing. Now I am admittedly not an electrician or even very inclined in that way.

Does anyone have any idea of what might have happened here, especially on a machine that has been run maybe a total of 5 or 6 times? Any help would be really appreciated.

Thanks,

Richard

-- Richard, Hot Springs, Ar -- Galoot In Training


5 replies so far

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DrDirt

2597 posts in 2495 days


#1 posted 06-05-2013 10:00 PM

Usually the belt pulley is on a keyed shaft, and can be moved in or out to have the two pulleys lined up.
Sounds to me like one may have been loose.

See if the cutterhead pully and motor pully are tight on the shaft (no sliding on the shaft), not rubbing anything, and coplanar.

If everything seems OK, take off the belt and just turn on the motor.

It may be that the fan in the motor is out of whack.

Good luck.

-- "If we did all the things we are capable of doing, we would literally astonish ourselves." Edison

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richardwootton

1472 posts in 708 days


#2 posted 06-05-2013 10:04 PM

Thanks Doc, I’ll give that a shot when I get home this evening.

-- Richard, Hot Springs, Ar -- Galoot In Training

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crank49

3524 posts in 1723 days


#3 posted 06-05-2013 10:26 PM

If it is a fan cooled motor (with slots or holes in the housing at the rear end of the motor) it’s possible that something might have dented the housing and that will rub the fan as it spins.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

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richardwootton

1472 posts in 708 days


#4 posted 06-05-2013 10:56 PM

Crank I had thought that might have been a possibility, but I inspected the housing and it all seems to be just fine. And it does appear to be a fan cooled motor if memory serves correctly. I’ll take a closer look later on.

-- Richard, Hot Springs, Ar -- Galoot In Training

View Shawn Masterson's profile

Shawn Masterson

1262 posts in 701 days


#5 posted 06-09-2013 06:46 PM

my planer made an odd rattle when I first got it. I had ordered new bearings for the motor, because they were worn and needed it. When they came in I dropped the motor out, and upon disassembly I realised the fan had fell off and had been rattling around in the shroud. From a visual inspection You couldn’t’ tell, but when I removed the cover it fell out. there are only 3 bolts that hold that cover on. It may have slid on the shaft just enough to contact the shroud. of there may be a dent in the shroud like someone else said.

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