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SurfGuitar101 Forums » Gear »

Permalink Fixing a dented aluminum dust cap

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I recently scored a used Eminence eps-15c on Ebay and just got it mounted in the cab. Of course as I was getting it attached a screw slipped and dented the aluminum dust cap. It still sounds fine but half the reason I got it was for that big JBl-esque appearance.

If anyone has been in the same boat as me I would definitely like some advice for pulling out the dent. I didn't see any other topics with the same issue. If some pictures help I can post some this afternoon.

Regards,
JR

Last edited: Mar 06, 2019 14:28:42

Try a Shop-vac. Should be strong enough to do the trick.

Reverb, man!
[http://roarshark.com]

Use some blue painters tape or removable tape and pull it out. I done it dozens of times.

Thanks for the suggestions!

I will give it a shot when I get home.

Regards,
JR

I have had success with a shop vac but be very careful it doesn't suck the nozzle right down onto the dust cap and cause further damage. I used my fingers as kind of a diffuser. I have also had success using a hot glue stick. Melt it with a match until it softens a nice blob on the end, touch it to the dust cap and let it firm up, then pull up and twist it off. The blue masking tape idea sounds like a great idea too. Good luck!

I had a newly re-coned JBL sitting on the floor in my closet out of the way until I had the time to install it. When that time came I got it out only to find a dented cap thanks to my cat sleeping there. I was going to use one of those toy rubber darts with the suction end. I'll be trying some of these tricks too.

http://www.reverbnation.com/theampfibians
http://www.reverbnation.com/thesouthgateboys

Alright, I tried a normal household vacuum with little success. I am a little hesitant to use the shop vac.

I tried the blue painters tape but it doesn't seem to have the required strength.

I'm going to give it a shot with the glue sick, and I like the nerf dart idea!

Worse comes to worse I'll pull out the shop-vac.

Thanks again everyone!

Lick those lips, get your head in there and suck it out gently.

http://thewaterboarders.bandcamp.com/

I have done this successfully on a whole bunch of Altecs and JBLs that my then infant son punched the cones in on.

The easy way is good strong gaffa tape. Roll the tape into a loop and just gently dab at the dents. I was able to get all of them out fairly smoothly. If you are left with adhesive residue, put some alcohol on a cotton bud and clean it off gently with that. That will also make your dustcap nice and clean again.

Avoid the vacuum cleaner on thin Al dustcaps - fine for paper, but with Al you will dent them further.

abdul_tom wrote:

I have done this successfully on a whole bunch of Altecs and JBLs that my then infant son punched the cones in on.

The easy way is good strong gaffa tape.

If American, i think you call it duct tape or duck tape.

Last edited: Mar 08, 2019 09:02:19

Gaffer’s tape is cloth and waaay better than duct tape...

But I’d try quality paper tape first! Gaffer’s tape is too sticky and strong.

Daniel Deathtide

Last edited: Mar 08, 2019 10:13:16

DeathTide wrote:

Gaffer’s tape is cloth and waaay better than duct tape...

But I’d try quality paper tape first! Gaffer’s tape is too sticky and strong.

It's this.

As I said I did this on about £1,000 worth of speakers and I found it was the right stuff after trying a few different options, so i speak from actual experience.
image

That’s duct tape, and it can leave a sticky residue. But of course it works for many things. Quality paper tape doesn’t leave a residue. Gaffer’s tape I would think would be far too sticky!

I was just clarifying what gaffer’s tape is.

Daniel Deathtide

Sure. As I said this is what we call gaffer tape in the UK. In the US it's called duct tape and gaffer tape is something else.

I discuss the sticky residue in my post. Cheers

So it took a little bit longer than I expected to try out all the suggested methods, but I'm happy to say that one of them did the trick!

Heating up a hot glue stick with a lighter for a few seconds and then gently placing it on the dent popped it out on the second attempt. Thanks for the suggestion Ben!

I tried all of the tapes recommended but none seemed to have a strong enough stick.

Thanks again everyone!

Regards,
JR

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