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New LT-18 3000 Vibration Issues

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Forum topic by Fettler posted 519 days ago 940 views 0 times favorited 19 replies Add to Favorites Watch
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Fettler

117 posts in 622 days


519 days ago

I just purchased a new Laguna LT-18 3000 series bandsaw. It was a show room model from Woodcraft of seattle. Took sometime to get a 220v circuit setup and go through the setup.

Upon initiate fire up i noticed some vibration. Once i got a blade tracked, the vibration was extreme. Here is a video:
http://www.youtube.com/watch?v=F6fnPsVxd8g

I contacted Laguna support. They answered right away and i was able to talk with someone immediately. He walked me through basic diagnostics: bands, belt, etc. After seeing the video they’re sending me a replacement upper wheel assembly.

They’d offer to replace the entire machine however that would be a huge inconvenience since the machine lives in my basement (then entrance has a low ceiling height and some stairs).

The serial number on this machine is 1007 and i vaguely remember people complaining about the initial release of these machines being defective.

-Rob

-- --Rob, Seattle, WA


19 replies so far

View nwbusa's profile

nwbusa

1016 posts in 912 days


#1 posted 519 days ago

Wow, that doesn’t sound/look good at all. Good luck with the fix and keep us posted.

-- John, BC, Canada

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Fettler

117 posts in 622 days


#2 posted 510 days ago

I received the replacement parts 7 days after contacting laguna support. I requested they send both the upper and lower wheels. It was a bit of a pain to get the lower wheel off. I ended up using a pulley puller to remove the pulley and then the arbor/shaft came right out.

Still no change with the new pulleys, here’s a new video where i use a dial indicator to measure vibration in the table top:
http://www.youtube.com/watch?v=y7yWXgzn_Jo

I contacted Laguna support yesterday, however no support person was on call. I requested they call me back and so far i have heard nothing.

-- --Rob, Seattle, WA

View nwbusa's profile

nwbusa

1016 posts in 912 days


#3 posted 510 days ago

Have you tried contacting Woodcraft as well? The one time I had a problem with a Laguna machine, I got much better response from the retailer who sold me the equipment.

-- John, BC, Canada

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Fettler

117 posts in 622 days


#4 posted 510 days ago

Yes, I contacted woodcraft and they agreed to take the saw back if Laguna support is unable to resolve my issues.

-- --Rob, Seattle, WA

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nwbusa

1016 posts in 912 days


#5 posted 510 days ago

Good deal. Hope you can it worked out without too much more trouble. Good luck!

-- John, BC, Canada

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Fettler

117 posts in 622 days


#6 posted 510 days ago

Just talked to Laguna again, they’re going to send me a replacement bandsaw. I was dreading this because it means moving too bandsaw, one in and one out of my basement. They’re giving me a mobility kit for my trouble.

-- --Rob, Seattle, WA

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nwbusa

1016 posts in 912 days


#7 posted 510 days ago

Thanks for keeping us updated, Fettler. It’s too bad that you have to go through the trouble of dealing with a defective machine, but at least you’ll get a (hopefully flawless) replacement unit and the mobility kit is a nice freebie (I know because I had to spend money on one yesterday).

-- John, BC, Canada

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MrRon

2788 posts in 1869 days


#8 posted 510 days ago

It’s nice that Laguna has good service.

View BryanatWoodstock's profile

BryanatWoodstock

97 posts in 659 days


#9 posted 506 days ago

Might be the belt. Take the belt, blade off and spin the wheels by hand and see how it goes. Try and isolate the different parts and see which part is the problem.

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Fettler

117 posts in 622 days


#10 posted 506 days ago

Laguna sent a new belt when they shipped the new wheels.. I had a belt problem on my unisaw and typically you’ll feel a flat spot or hardness. I thought about trying a link belt to further reduce vibration, but I’m still on the fence about link belts.

Laguna thinks the frame is the issue. Over the weekend I placed some vinyl furniture feet under the leveling posts to see if this would remove more vibration. It only made a slight change, about 0.05” less table top movement. I resawed about 100’ of Douglas heartwood which left marks which may have been the result of the vibration.

A friend on mine also pointed out some frame vibration. When standing on the base (which remains immobile), a slight push on the top of the frame causes it the spring a bit like a door stopper.

Anyway I should have a new saw by Wednesday, so hopefully that will fix the problem.

-- --Rob, Seattle, WA

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Fettler

117 posts in 622 days


#11 posted 490 days ago

1.5 weeks after the replacement wheels failed to fix the issue, 30 days after purchasing the initial saw, I received the new bandsaw. Here’s a video which shows a significant improvement:
http://www.youtube.com/watch?v=wjaeObw34Po

I’m pretty sure i can get it to pass the nickel test with some additional tweaking, but it’s definitely good enough for any work i’ll be doing.

The new saw has a number of changes over the old. The tracking viewing window, tension indicator + window, decals and upper guide adjustment lock screw are different. The biggest difference was they gave me rubber leveling feet instead of leveling bolts, however i dont think that would make that big of a difference in vibration.

Took about 4 hours to get the new saw setup after lugging it into my basement. The grease came right off this time (the old bandsaw was a showroom model and the grease had caked on). I mounted the motor, set the belt tension, made some leveling adjustments in the trunnion set screws, adjusted the tilt stop screw and adjusted the leveling feet which took forever. I applied a layer of boeing T-9 and then a layer of renaissance wax to the table top. Finally, I tracked the blade, adjusted the guides and adjusted the insert. The extension table still needs to be adjust as the fence catches a bit.

The old saw had a wave pattern in its cuts due to the vibration. I’m going to go make some test cuts with the new saw now to see how big of an improvement there is.

-- --Rob, Seattle, WA

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nwbusa

1016 posts in 912 days


#12 posted 490 days ago

Your video is locked down as “Private” but I’ll take your word for it. Glad things are moving in the right direction for you.

-- John, BC, Canada

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Fettler

117 posts in 622 days


#13 posted 490 days ago

Whoops! It’s public now.

-- --Rob, Seattle, WA

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RodNGun

118 posts in 929 days


#14 posted 490 days ago

I have this saw and I love it. Shipping was fast, set up was easy, mine purrs like a kitten. I had a little problem with upgrading the fence but the saw arrived in perfect shape, nothing needed but basic adjustments, and with the Resaw king blade it exceeds expectations. I hope you are happy with your replacement saw, sorry you had all the hassle.

View BryanatWoodstock's profile

BryanatWoodstock

97 posts in 659 days


#15 posted 490 days ago

I just had to check my 2 bandsaws! Took a nickel, and the S45 18” mini max starts and runs, nickel stays standing. But not with the 20”, but it’s got a 1” blade on it . Still not as bad as what you have experienced. A better blade on the 20” would probably tame the shaking. The welds on blades seem to make a lot of the shaking as it goes around. Years ago I had a 14” Delta, the belt caused a lot of shaking.

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