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Bandsaw riser block alignment problem

1288 Views 15 Replies 8 Participants Last post by  DesiSutar
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I have the Porter Cable PCB330BS band saw and got the riser block directly from the OEM. After installing the riser block, the blade is scraping on the new blade guard. I'm not sure how to fix this. I tried shimming the riser block with some feeler gauges to "tip back" the arm (see photo), but it hasn't seemed to help. When I loosen the bolt holding the top half of the saw to the bottom, I feel a lot of play so I'm not sure how to get it all squared up.

What should I try next?

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Your blade guard is on backwards. The open side needs to be facing out to facilitate blade changes.
Where are the tires.
Be sure to get the original rubber ones from the manufacturer
Throw the riser block in the trash
Good Luck
+1 Missing tires.
First picture shows the rubbing on inside edge of blade cover.
Add the thickness of tires to wheel OD and the problem goes away.
Thanks for catching that. I got this bandsaw as a floor model from lowes already assembled and the employee that put it together apparently didn't put the tires on. This is my first bandsaw so I'm still figuring it out and missed this obvious component! Thanks everyone. I have some tires on order now and I expect that added thickness will take care of the problem I'm having.
Agree with others, you need tires on there. But I'll reiterate that your blade guard is backwards. I thought maybe I was missing something so I searched some pics and I wasn't. The guard should be open on the front. I have a riser block on my 14" Grizzly and it works well for me. But, be aware that it does add some flex into the frame that can make tuning the saw a little more finnicky. Personally I prefer Urethane tires to the rubber ones when I have to replace them.
Agree with others, you need tires on there. But I ll reiterate that your blade guard is backwards. I thought maybe I was missing something so I searched some pics and I wasn t. The guard should be open on the front. I have a riser block on my 14" Grizzly and it works well for me. But, be aware that it does add some flex into the frame that can make tuning the saw a little more finnicky. Personally I prefer Urethane tires to the rubber ones when I have to replace them.

- HokieKen

Thank you for this. I'll flip that guard around!
I too noticed some flex in the frame so I expect to spend a good amount of time tweaking it until it's all aligned. Annoying, but I guess it's a good way to get familiar with my new bandsaw and how she moves.
I have the same saw and installed my riser a month ago. Here's what I learned.
1- It really isn't a one man job.
2- I used a 3ft level to help align the wheels. Lay it up against the bottom wheel so that it is flush with the face of it and touching in 2 points and then rotate the upper arm so that the level touches the upper wheel the same way before tightening the arm down. You might have to loosen the knob that corrects the wheel for the blade to run centered (can't remember what it's called, sorry) to get it to lie flat against it. Having someone else hold the level is highly recommended.
3- A deep wall 1in socket helps to tighten it down. Open end wrenches didn't have enough clearance for me to crank on it.
4- Without the riser, you could get away with 3/4in blades. Now you will have to keep them at 1/2in. I bought a Starrett 3tpi for resawing. If you haven't changed the guides yet, wax just the teeth before you make your cut. I put mine on to plank out small cedar logs (approx. 8in in diameter and 30in long) and you have to go really slow, one to allow the blade to do the work and two to help keep it cool. Go too fast and you will bog down the motor and possibly trip a breaker. Frequent breaks are also recommended to let the motor cool down.
5- I recommend getting the Kreg bandsaw fence instead of the OEM. It's pretty solid and didn't need to drill any holes for it to fit.
6- Once you get your wheel bands, don't forget to remove the shims you used. When everything is tightened down it won't be tippy.
7- The guard on the bearing side will not go all the way up. You may have to tweak it a little to keep it from rubbing on the wheel. My plan, when I need to cut something taller than it will accept at the moment, is to dremel a slot in the edge of the cover and door for it to rise up through. Not necessary for me right now and my laziness can't justify it until needed.
8- If you were using the blade that came with the riser, get a good quality new one as soon as possible. Especially after having it rub up against the guard.
There are a lot of threads on here for research on what you can do to get it setup and running like a champ. It's where I got most of my information.
Hope this helps.
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Update: I got the tires on yesterday and took out the shims. The problem is fixed! I'm pretty embarrassed I didn't catch this problem myself, but you guys saved me a lot more trouble and possible alterations to the saw that would have just made their own messes. Thank you.
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Dv8eod, thanks for all your suggestions and tips!

I do need to do some final tweaking and aligning and your suggestion both to use a 3ft level, and to find more info on this site are great. Will do both.

I had hoped I could get a 3/4" blade on this saw but I get why that might not be a great idea with the riser block. I'll just take it slow with a 1/2". The stuff I want to resaw is bigger than 6" so I don't really have a choice.

I got the OEM fence for the price savings. It's not great… It's barely good… But I'll use it for awhile until I can save up for the Krieg.

I saw a lot of other people said the blade guard hits the cover to the upper wheel housing when you try to raise it up all the way, so I saved the original guard when I installed the riser block. If I need to cut a 12" piece, I just put the old guard back on. Two screws, 30 seconds. Do you still have your old one? It's so much better than cutting into your wheel housing.

Thanks again for your feedback.
Glad I was able to help. Kind of embarrassed I didn't think about just swapping the blade guard LOL. But I haven't reached a situation where I need to yet, so everything is safe… until I forget LOL. Just goes to show everyone can teach and everyone can learn.
My next thing to do is upgrade the bearings to Carter's as soon as some funds become available. I've read some people have had issues with them, but the remarks were generally a year or more older so they should have all the bugs worked out by now. There were the same type of statements made about the Kreg fence too, but by the time I got mine, things attached without issue.
If it helps, Woodcraft has 20% off Timberwolf blades this month. Those are supposed to be the cream of the crop, but I really don't know. The Starrett I bought has been pretty good so far as I can tell.
Thanks for catching that. I got this bandsaw as a floor model from lowes already assembled and the employee that put it together apparently didn t put the tires on. This is my first bandsaw so I m still figuring it out and missed this obvious component! Thanks everyone. I have some tires on order now and I expect that added thickness will take care of the problem I m having.

- talkingshop21
Hello,

I also bought this same bandsaw as a floor model from Lowe's last week. Mine is missing the tires and blade too. I knew it was missing the blade but didn't know about missing tires until later. I called Porter Cable and they said they won't provide the missing parts but instead I will have to buy them. Fine - (anyway I was going to put a better blade). But they said the tires are on back order even if I am ready to pay.

One question - can you please tell me where you bought your tires from? And are they working out good for you?

I am also very new to the bandsaw regime and learning. So please help me.

PS - I also plan to buy the riser block sooner than later but I thought first let me get the saw running before I invest in upgrades.

Thanks in advance,

DesiSutar
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its always tough when you pick up a piece of equipment that someone has fooled with, and as a new owner/buyer not knowing the nuances of said machine, even parts lists and diagrams don't always show right orientation ect.

glad to hear you found resolution
rj in az
One question - can you please tell me where you bought your tires from? And are they working out good for you?

I am also very new to the bandsaw regime and learning. So please help me.

PS - I also plan to buy the riser block sooner than later but I thought first let me get the saw running before I invest in upgrades.
I got urethane tires from eBay. Fixed the problem! Here's the link

I highly recommend the riser block. I was already able to resaw a 9" oak beam and it did a great job! You can order the OEM riser block straight from porter cable. Look around on this forum to find other people who share the phone number you need to use, as it's not buyable online. I had no problems getting the block and it fit like a glove with no additional modifications needed.

I will say, they talked me into getting the OEM bandsaw fence… the price was half what the Kreg fence costs and that was all I was able to afford, but I'm not very impressed with the quality. I'll probably upgrade to the Kreg eventually. It works for now though…
Thank you talkingshop21. BTW can anyone tell me to take off the top wheel if the nut is left threaded or regular right threaded one?

Thanks in advance,

DesiSutar
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