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Jet band saw rebuild.. Need help!

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Forum topic by DavidE posted 12-14-2009 05:44 AM 1725 views 0 times favorited 2 replies Add to Favorites Watch
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DavidE

16 posts in 2561 days


12-14-2009 05:44 AM

Topic tags/keywords: bandsaw question resource help

I need help.. I have a Jet 18” Bandsaw Model # JWBS-18 and i need help on a rebuild for it.. It shimmies.. It shakes.. its wobble.. it bobbles.. and i couldn’t cut bread on it strait. I have read some things on line about rebuilding these.. But possibly lumber jocks can come to my aid… I’ve checked the tires they look great.. but i don’t know what looks bad ..
How do i check the barrings, i released the tension on the band and tried seeing if there was any play in the wheels top and bottom but they felt fine. is there another way?
Checking for blade drift is sorta hard when the saw is thumping as it turns.. As i recall they were suppose to be smooth running. I wish i could take a video of this thing in action so demonstrate!

http://cid-06f6eed1b7f15fe5.skydrive.live.com/play.aspx/.res/6f6eed1b7f15fe5!327/6f6eed1b7f15fe5!328?ct=photos(Jet bandsaw)!

just what this thing does after i hit the start switch. But i have enclosed a picture.. maybe someone knows something about this beast and can answer some of my questions.
Thanks in advance
David

-- David, New Bedford, ma. www.davidsedgerly.com


2 replies so far

View Mark Shymanski's profile

Mark Shymanski

5314 posts in 3175 days


#1 posted 12-15-2010 06:23 AM

David, I know this is a year old post so you probably have either fixed this saw or have used it for a boat anchor by now. From what I have been reading here (and other lesser websites :-) is you need to ensure that the wheels are co-planar, truly round and the blade is not bent. You also probably need to ensure that your drive pulleys are also co-planar with each other, your belt is not bulged or frayed and that your motor is firmly fixed to its mount and that there is no slop in the motor shaft or bearings.

HTH,
Mark

-- "Checking for square? What madness is this! The cabinet is square because I will it to be so!" Jeremy Greiner LJ Topic#20953 2011 Feb 2

View DavidE's profile

DavidE

16 posts in 2561 days


#2 posted 12-16-2010 04:08 PM

Mark,
Thanks for replying.. and yes its a fine example of a dust collector in my shop… its stands there in testimony of my inability to comprehend its inner workings.. actually.. i looked into getting parts to fix it.. and it would cost about as much to rebuild this saw than it would to spend a few hundred buck more and get a new one.. The wheels are not round.. the top is warped a little .. so i brought it to a machinist to see if they could true it up.. waste of time.. a new wheel is out of the question because of cost after market parts like carter parts are again outrageous. So there you have my struggle in a nutshell.. I have no woodworkers i know of near by who know anything about a band-saws. So i gave up on it.. and the cost of a new one is out of reach for now.. its too bad.. there are so many uses for that band saw in the shop what a waste.
Thanks,
David

-- David, New Bedford, ma. www.davidsedgerly.com

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