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Delta band saw woes.....

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Forum topic by LazyHorse posted 12-30-2013 04:02 PM 938 views 0 times favorited 14 replies Add to Favorites Watch
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LazyHorse

26 posts in 1074 days


12-30-2013 04:02 PM

Topic tags/keywords: bandsaw band saw

Hello Lumber Jocks! This is my first post. I’ve been reading posts etc. for a while and love this site. I hopping you guys can offer some suggestions on working out some bugs on a used 14” Delta band saw that I just bought. My main problem at this point is that the saw keeps throwing off the blade. It seems that when the blade is riding in the center of the top wheel, it’s riding to the front of the bottom wheel. I have tried adjusting the angle on the top wheel as well as the tension, thrust bearings, blade guide and blocks over the past two days. Blade stays on fine until I start cutting. I felt like picking the saw up and throwing it today but lucky for it it’s too heavy. Need more info? Thanks guys!

-- "Yer young, you got yer health, what do you want with a JOB?"


14 replies so far

View chrisstef's profile

chrisstef

15671 posts in 2471 days


#1 posted 12-30-2013 04:12 PM

Sounds to me like your wheels aren’t in the same plane. Take a plumb bob, and while holding it firmly against the top wheel, drop it down and see where, or if, it makes contact with the lower wheel. They should be in direction alignment vertically to one another. A couple of washers to shim out either wheel might be the ticket.

-- rock, chalk, jayhawk

View JustJoe's profile

JustJoe

1554 posts in 1503 days


#2 posted 12-30-2013 04:45 PM

This is the video you need to watch, it will tell you how to set up your saw properly.

http://www.youtube.com/watch?v=wGbZqWac0jU

If you are setting it up correctly then just starting a cut shouldn’t make the blade come off. I don’t want to jinx you, or scare you, but Delta 14” saws went through a short period from 1980-present where they made the upper adjustment piece out of a special grade of tinfoiluminum, a proprietary blend of cheap iron and toddler-boogers with a rockwell hardness about the same as cotton candy, but with the brittleness of, well, peanut brittle. Surprisingly enough they break a lot. Because the piece is hidden behind the center of the upper wheel, the problem is hard to diagnose until the operator starts experiencing TSIAPOS (pronounced thisiyapus). That’s short for the medical term “this saw is a piece of s@it) and usually includes symptoms like blade not tensioning properly, tracking consistently, or attempting to jump off the saw completely and escape out the back door.
If you do find this piece is broken, fear not my friend because the manufacturer should have a large supply of replacement parts, made from the same tinfoiluminum, that they will be willing to sell you if the price is right.

Edit: And welcome to LJ – the third friendliest place on the internet.

-- This Ad Space For Sale! Your Ad Here! Reach a targeted audience! Affordable Rates, easy financing! Contact an ad represenative today at JustJoe's Advertising Consortium.

View Bill White's profile

Bill White

4456 posts in 3425 days


#3 posted 12-30-2013 04:47 PM

While you’re at it, check the tires to see if they are loose on the wheels. If the tire expands or distorts when spinning it’ll throw the blade.
Bill

-- bill@magraphics.us

View Wildwood's profile

Wildwood

1886 posts in 1599 days


#4 posted 12-30-2013 06:09 PM

What size blade are you using, and have you checked the weld? If band saw wheels already coplanar that is would be my next checki. Many 14” bandsaws do not like wide blades, 5’8” and above can cause fits. Sloppy welds can throw blade off no mater size or whatever adjustments you make. Old blades (stretched) need more tension than new.

Nice books to have, “Band Saw Handbook by Mark Duginske,” or Lonnie Bird’s Band Saw book.

-- Bill

View LazyHorse's profile

LazyHorse

26 posts in 1074 days


#5 posted 12-30-2013 06:21 PM

Arg! Foiled again! Oh well. worst case scenario, i’m out of $125. I bought it with the intention of building my own at some point. I took to top wheel off and inspected the mechanisms and everything looks like everything is intact. Rubber on the wheels seems to be holding good. Guess I will keep pluggin away…... or convert it into an electric motorcycle. I have not checked the weld on the blade but its a 3/8”.

-- "Yer young, you got yer health, what do you want with a JOB?"

View Jim Jakosh's profile

Jim Jakosh

17172 posts in 2570 days


#6 posted 12-30-2013 09:02 PM

I have a friend who bought a 12” bandsaw and had the same problem. I think his is a Wards or a Delta. We adjusted the tilt on the top wheel until it was truly parallel to the bottom driver wheel and it was 3/16” off. We shimmed the top wheel out to make it align with the bottom and it works fine now. I think that is why he got it so cheap- the blade kept flying off for the last guy.

It is a simple machine!!! Don’t give up!!

It you get your wheels adjusted parallel and they do not line up, shim the proper wheel to make them align and then put the blade on and tune it up the rest of the way….....................Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View JoeinGa's profile

JoeinGa

7482 posts in 1471 days


#7 posted 12-30-2013 09:13 PM

You might consider changing the rubber tires out for new poly ones. Made a world of difference on mine

-- Perform A Random Act Of Kindness Today ... Pay It Forward

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pintodeluxe

4858 posts in 2278 days


#8 posted 12-30-2013 09:19 PM

What would we do without comments from Just Joe. ...A short period from 1980-present… you had me rolling.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View CharlesA's profile

CharlesA

3022 posts in 1262 days


#9 posted 12-30-2013 09:20 PM

Before buying anything, take Joe’s suggestion and watch that video and do what it says. It was of great benefit to me.

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

View Underdog's profile

Underdog

903 posts in 1500 days


#10 posted 12-30-2013 09:32 PM

I’d check the tires while it’s running. If they tend to create a “wave” in front of the blade contact (especially when cutting), then you know those tires need replaced. The rubber tires are bad about this. That’s why they make poly replacement tires.

Just don’t stand where the blade will hit you if it comes off.

-- "woodworker with an asterisk"

View exelectrician's profile

exelectrician

2327 posts in 1892 days


#11 posted 12-30-2013 10:10 PM

Take the blade off and check that it is not bent from cutting through hard screws – I found out about this problem the hard way. I cut through a broken (hidden) screw and ruined a blade, after that happened it would not stay on, no matter what I did to the adjustments.
I put on a new blade and all was okay.

-- Love thy neighbour as thyself

View LazyHorse's profile

LazyHorse

26 posts in 1074 days


#12 posted 12-31-2013 12:39 AM

Thanks for the many tips you guys. Love how you guys are so friendly and eager to help a greenhorn such as myself. I will try some of these ideas and report back.

-- "Yer young, you got yer health, what do you want with a JOB?"

View gfadvm's profile

gfadvm

14940 posts in 2155 days


#13 posted 12-31-2013 01:50 AM

Having the blade tensioned to the correct tension is very critical in getting blades to track properly. I couldn’t keep a 1/8” blade on my saw until I called Grizzly and the tech guy suggested decreasing the tension. INSTANT fix!

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View LazyHorse's profile

LazyHorse

26 posts in 1074 days


#14 posted 01-01-2014 11:56 PM

That IS a great video. http://www.youtube.com/watch?v=wGbZqWac0jU . I followed his instructions and it really helped a lot. Blade is staying on now. I was experiencing some drift but I put a new blade on and that’s better now too. Other than some vibration the saw seems to be performing pretty good. I re-sawed some 3” walnut and it cut straight. I will try something wider later. Gonna end the day on a positive note. Thanks for all the LJ’s

-- "Yer young, you got yer health, what do you want with a JOB?"

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