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Problems with new Jet 16-32 Drum Sander

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Forum topic by MLK posted 08-09-2018 07:50 PM 675 views 0 times favorited 18 replies Add to Favorites Watch
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MLK

82 posts in 4016 days


08-09-2018 07:50 PM

I bought a Jet 16-32 drum sander a few weeks ago, it works great. The problem I’m having is with replacing the sanding belt. When I wrap the belt I make sure it doesn’t overlap and that it tight.(I had to trim the end so it fit the clamp properly) The problem is when I turn it on and run a board through it a couple of times the belt on the inside slides and overlaps. Its a persistent problem that I cant seem to solve. Talked to Woodcraft were I bought it they had no solutions but told me I have 30 days to return it, if I wanted to they would replace it with a supper Max that option is up this Monday the 13. On thing I did not mention and that is the belt that came with the sander worked fine. I was wondering if anyone else had this problem, and were they able to fix it?
I have 3 days to decide weather or not to return it. What do you think?


18 replies so far

View splintergroup's profile

splintergroup

2437 posts in 1428 days


#1 posted 08-09-2018 08:21 PM

There are a number of things that could cause this. Normally I’d say insufficient tension on the inboard clamp (there is a spring that you compressed while clamping that adds the tension when released), but you say the original belt was ok so it sounds like you have the installation technique down fine.

I buy my belts in bulk 100’ rolls and there is one grit that instead of being 3” wide it is 2.90” wide. This is the one where I need to remember to leave the appropriate gap between the wraps or I get the same problem you get (overlapping).

View Kazooman's profile

Kazooman

1245 posts in 2158 days


#2 posted 08-09-2018 08:32 PM

Since the factory installed belt worked fine, I don’t think that it is a problem with the sander. Are you using a Jet replacement belt? If not, check the length of the replacement belts you are using. If you need to trim them they must be too long (although I can’t imagine why). If you are cutting your own belts from roll stock the simplest way yo get a perdfect fit is to use a genuine Jet belt as a template and cut the new one to match.

When you wind the belt on there should be only a very small gap between each winding (or none without any overlap) and when you get over to the motor end you should leave a gap between the last two windings, being certain that the piece you insert in the slot for the clamp does not completely span the length of the slot. This is to allow for some expansion in the belt as it gets hot. The clamp mechanism is spring loaded and will keep the belt tight as it expands, but if it is wound with no gap it will overlap as it expands. Figure 15 in the manual shows how the last wrap of the winding should look.

View Redoak49's profile

Redoak49

3672 posts in 2194 days


#3 posted 08-09-2018 08:36 PM

You do not mention what abrasive you are using. If the Jet works, and another brand does not, you could be heating the belt and is stretching.

View Aj2's profile

Aj2

1886 posts in 2004 days


#4 posted 08-09-2018 08:43 PM

Be sure to cinch the clamp back down by spreading it with your fingers to take up any stack. It will give the paper a little crease and fold.
Everything about winding the paper around the drum has to right.
I had one for a while and used only the Jet paper.

-- Aj

View johnstoneb's profile

johnstoneb

3064 posts in 2378 days


#5 posted 08-09-2018 09:13 PM

You are trying to take too big a cut back off and take a smaller bite. I had the same problem on a grizzly I bought used once I backed down to about an 1/8 of a turn feed advance and ran it thru several times before advancing. The sandpaper stayed tight. The sander is not designed to be a planer, don’t try to use it for one.

-- Bruce, Boise, ID

View Rayne's profile

Rayne

1109 posts in 1745 days


#6 posted 08-09-2018 10:46 PM

You’re “Trimming the end” to fit the clamp makes me think you might have installed the paper backwards. Make sure it’s wrapping the drum in the correct direction.

View WoodES's profile

WoodES

130 posts in 1897 days


#7 posted 08-10-2018 07:03 AM

MLK,

I have the same tool and have had similar problems with the belt installation. Fortunately I have a set of bent needle nose pliers that I use on the inboard spring clamp. (Jet, if you’re listening. The inboard belt installation really sucks on this tool as it is difficult to get fingers in the location and be able to see what you are doing.).

I start the belt installation on the inboard side, using the Jet provided tool to open the spring clamp and the bent pliers to slip the belt into place. Then wrap the belt around the drum and adjusting the belt tension on the outboard side. Check the belt by running the machine without sanding, then again after a couple of passes. If necessary, adjust the belt tension on the outboard side only.

Learning to adjust the belt takes time and practice.

I love the tool and it has mostly replaced the old lunch box planer when I flatten the boards. Typically, I flatten and sand to 220 before beginning construction. Then a light hand sanding after construction before finishing.

Also, I buy the belts in roll form. Keep your original factory belt for a pattern. The belt stock can be easily cut and much cheaper by the roll.

Good luck and keep practicing the belt install.

View Kazooman's profile

Kazooman

1245 posts in 2158 days


#8 posted 08-10-2018 12:25 PM

I must have skinny fingers! I don’t use the tool that Jet provides. I just stick my index finger in around the end of the drum and squeeze the clamp. Slip the end of the belt in the slot and let go of the clamp.

View MLK's profile

MLK

82 posts in 4016 days


#9 posted 08-10-2018 04:45 PM

Thanks for all help, I decide to keep the Jet, from all your suggestions and comments it sounds like there’s a learning curve I have go through. Kazooman mentioned something about a tool, was that tool suppose to come with the sander or is it something you have to buy? If there is any of you guys or gals that live in the Boise area that has a 1632 jet sander and thing they can help me I would appreciate it.

thanks to all

View MLK's profile

MLK

82 posts in 4016 days


#10 posted 08-10-2018 04:47 PM

Thanks for all help, I decide to keep the Jet, from all your suggestions and comments it sounds like there’s a learning curve I have go through. Kazooman mentioned something about a tool, was that tool suppose to come with the sander or is it something you have to buy? If there is any of you guys or gals that live in the Boise area that has a 1632 jet sander and thing they can help me I would appreciate it.

thanks to all

View Paul Stoops's profile

Paul Stoops

352 posts in 2767 days


#11 posted 08-10-2018 04:57 PM

See Page 13 of your owner’s manual for a pictorial description of the TufTool and its use for installing the paper. This tool works very well, once you teach yourself how to use it.

Paul

-- Paul, Auburn, WA

View Kazooman's profile

Kazooman

1245 posts in 2158 days


#12 posted 08-10-2018 05:16 PM



See Page 13 of your owner s manual for a pictorial description of the TufTool and its use for installing the paper. This tool works very well, once you teach yourself how to use it.

Paul

- Paul Stoops

Agreed. I did try it out and it works well. I just don’t need it so it sits in the box with my rolls of abrasive.

MLK: My sander came with the tool.

View WoodES's profile

WoodES

130 posts in 1897 days


#13 posted 08-11-2018 06:24 AM



I must have skinny fingers! I don’t use the tool that Jet provides. I just stick my index finger in around the end of the drum and squeeze the clamp. Slip the end of the belt in the slot and let go of the clamp.

- Kazooman


Are you saying mine are fat? ;-)

View WoodES's profile

WoodES

130 posts in 1897 days


#14 posted 08-11-2018 06:26 AM


See Page 13 of your owner s manual for a pictorial description of the TufTool and its use for installing the paper. This tool works very well, once you teach yourself how to use it.

Paul

- Paul Stoops

Agreed. I did try it out and it works well. I just don’t need it so it sits in the box with my rolls of abrasive.

MLK: My sander came with the tool.

- Kazooman


I just hang the Tuftool on one of the holes in the accompanying stand so it’s there when needed.

View Woodmaster1's profile

Woodmaster1

1075 posts in 2793 days


#15 posted 08-11-2018 03:59 PM

I love my supermax 16-32 because of the quick adjustment, fold down tables and included digital gage. I would trade it. I am sure the jet is just fine but the quick adjustment is a great addition.

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