Bonding Saddlebag cracks


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Mowing
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Bonding Saddlebag cracks

Postby Mowing » Thu Aug 05, 2010 9:27 am



I'm looking for any information on bonding cracks on a 1983 GL1100 Aspencade saddle bag. I have a crack in the corner of the lid and just want to bond it together so it does not get any worse.

Thank you,
Jeff



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MJSantos
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Re: Bonding Saddlebag cracks

Postby MJSantos » Thu Aug 05, 2010 3:23 pm

Saddle bags are ABS Plastic. Some of the folks have sanded across the crack on the inside then mix some plastic shavings with plumbers cement for pvc pipe. Take this slury and spread it across the crack.

Mowing
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Re: Bonding Saddlebag cracks

Postby Mowing » Thu Aug 05, 2010 3:31 pm

That is the same techinque that is used for pop-up camper roofs. Thank you for the reply.

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Re: Bonding Saddlebag cracks

Postby WingAdmin » Thu Aug 05, 2010 10:11 pm

Have a look at the method I used to reinforce the plastic here:

How to add a trunk rack to your bike

Mowing
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Re: Bonding Saddlebag cracks

Postby Mowing » Fri Aug 06, 2010 7:40 am

Really good article. I was thinking about doing that also. Thank you for the ideas.

Erik K
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Re: Bonding Saddlebag cracks

Postby Erik K » Fri Aug 13, 2010 9:33 am

If it is ABS, why would one not use abs cement? Right tool for the job so to speak... PVC cement is chemically not correct for abs.

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Re: Bonding Saddlebag cracks

Postby RBGERSON » Sun Aug 15, 2010 8:11 am

Also on stress cracks drilling a hole at the end of the crack will prevent it from running..then fill with ABS cement..sand and paint.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

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Re: Bonding Saddlebag cracks

Postby MJSantos » Sun Aug 15, 2010 10:39 am

Stand corrected on the cement, that's what happens after a 14 hour day.

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Re: Bonding Saddlebag cracks

Postby NUTCKERGOLDWING » Wed Aug 18, 2010 1:09 am

I HAVE USED FIBERGLASS MATERIAL WITH THE ABS CEMENT TO REPAIR CRACKS ON MY 1981 AND IT SEEMS TO HOLD UP REALLY WELL, I JUST BRUSH A LITTLE CEMENT ON THE BACK SIDE (AFTER CLEANING AND SANDING) THEN WHILE IT IS STILL WET APPLY A SMALL PATCH OF FIBERGLASS MATERIAL ON THE WET CEMENT AND THEN APPLY A SECOND COAT OF CEMENT. I USE THOSE LITTLE ACID BRUSHES AVAILABLE AT LOCAL HARDWARE STORES AND THEN THROW THEM AWAY. YOU CAN ADD AS MUCH FIBERGLASS AS NEEDED TO BUILD THE AREA UP AND WHEN DRY APPLY A LITTLE FLAT BLACK TEXTURE PAINT AND YOU WILL HAVE A STRONG GOOD LOOKING REPAIR. IF YOU CAN GET A LITTLE CEMENT INTO THE CRACK BEFORE APPLYING THE GLASS IT WORKS EVEN BETTER.
BILL IN ALASKA

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Re: Bonding Saddlebag cracks

Postby thecowboy1969 » Thu Aug 26, 2010 8:16 pm

I have had good results with JB Weld, which is available in any hardware store. make sure the area to be bonded is clean and oil free, then put on a stripe about a 1/4 inch wide. It can be sanded after it hardens and painted for a very smooth finish.

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Re: Bonding Saddlebag cracks

Postby WingAdmin » Fri Aug 27, 2010 6:33 am

The problem with JB weld is that it is very rigid and does not flex like plastic. It does not expand at the same rate as the ABS plastic when it heats and cools, and that causes stress. The ideal material to fix it is exactly what it is already made out of - ABS. It is so easy to make an ABS slurry that can be put in place with a putty knife, and which then becomes PART OF the original plastic, I don't know why anyone would want to try something else.

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Re: Bonding Saddlebag cracks

Postby noelcassidy » Fri Sep 03, 2010 6:34 am

www.fairingfix.com
I have used this stuff on my 83 wing to repair the fairing and it works great. My bags have corner cracks also, something to do in the winter months.

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Re: Bonding Saddlebag cracks

Postby WingAdmin » Fri Sep 03, 2010 9:40 pm

$50 for a little bit of ABS slurry? You can make the same thing using ABS cement, an ABS pipe, and a rasp for about $6.

That site has an awful lot of really overpriced things on it.

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Re: Bonding Saddlebag cracks

Postby fischerj » Sat Sep 04, 2010 6:07 am

What about for a hole the size of a baseball. Is fiberglass the way to go?

Thanks you guys.

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Re: Bonding Saddlebag cracks

Postby WingAdmin » Sat Sep 04, 2010 9:55 am

I'd use a flat piece of ABS, cut it to the shape of the hole, then bond it in from behind with ABS slurry. Some people have talked about embedding fiberglass in the slurry to strengthen it, but from my experience, it's not needed - the slurry, when cured, is just as strong as the original ABS, because it IS ABS - and it doesn't bond to the existing ABS, it becomes part of it. The ABS cement melts the ABS chemically, and when it cures, it all becomes one piece.

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Re: Bonding Saddlebag cracks

Postby fischerj » Sat Sep 04, 2010 12:28 pm

Ok, my next question is where to get a sheet of ABS and the ABS Slurry. Is it available on-line?

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Re: Bonding Saddlebag cracks

Postby MJSantos » Sat Sep 04, 2010 2:37 pm

Here's a possuble supply over the inetrnet:
http://www.amazon.com/BLACK-ABS-PLASTIC ... B003L81E6W

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Re: Bonding Saddlebag cracks

Postby WingAdmin » Mon Sep 06, 2010 11:27 am

fischerj wrote:Ok, my next question is where to get a sheet of ABS and the ABS Slurry. Is it available on-line?


Go to Home Depot and buy a piece of black ABS sewer pipe. Cut it down the length, then heat it up in your oven until it lays flat (it will get to the consistency of soft rubber).

For slurry, just buy the same ABS sewer pipe and a coarse rasp, and take the rasp to the pipe until you have a pile of shavings. Mix the shavings with ABS cement. If it starts to stiffen up before you're ready (and it will happen within a few minutes) keep adding more ABS cement.

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Re: Bonding Saddlebag cracks

Postby fischerj » Mon Sep 13, 2010 7:26 am

Wow, I was amazed that the baseball size hole that I had, said, had, is gone now. Slurry, piece of ABS cut to almost size and bent, and a heat-gun worked miracles. Now I have to build up the low spots with more slurry and sand with fine paper. Thanks you guys. Also put some acetone in some small cracks and it worked great.

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Re: Bonding Saddlebag cracks

Postby nvrider » Mon Sep 13, 2010 10:38 pm

Wingadmin Your 100% right I run the support section at Nellis AFB NV and the are fixtures we use for rebuilding jet engines the abs parts get damaged and we rebuild them right here in the shop instead of replacing the fixtures for BIG $$$[b][/b] saving us $$$ and time, it has taken over two years to get a few tools replaced but knowing how to use ABS cement and shavings has saved us some major down time and were able to keep fixing engins... I'm also restoring my 83 gl1100I almost done the new seat will be here this week from JC wint. dubble bucket for about $165.00 all I have to do is finsh recovering from the small stroke I had three week ago so I can ride agine I may not be riding right now but I'm still in the game though the post here a lot of good info. and people.

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Re: Bonding Saddlebag cracks

Postby littlebeaver » Tue Sep 14, 2010 4:24 am

Jeff, my advise to you is this, use a good plastic cement [ABS] or something like that, and try to open the crack slightly and put some glue in the crack and band it closed while on the bike but place some painters tape on the rubber seal inside so when the glue comes out it won't bond to the rubber, band it with a rope and whined it tight using a wooden dowel so the crack closes tight. Leave it overnight... protect the lid from the dowel with painters tape, it should work... later littlebeaver

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Re: Bonding Saddlebag cracks

Postby lhelber » Fri Sep 24, 2010 4:34 pm

Ok, I will repeat the question someone had asked, any know of where I can get a length of ABS pipe and cement? I check the Lowes and Home Depot and a large plumbing supply. No one had any. The comment I heard was most people have moved onto PVC. I will look at some of the smaller hardware stores but it looks like I am going to have to look on the net now.

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Re: Bonding Saddlebag cracks

Postby littlebeaver » Fri Sep 24, 2010 7:14 pm

Any plastic cement will work I bet, you might want to go to walmart and get some glue they use to put plastic models together, or maybe the craft department, good luck I hope you get your crack repaired...

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Re: Bonding Saddlebag cracks

Postby WingAdmin » Fri Sep 24, 2010 9:52 pm

Both Lowes and Home Depot here have both ABS pipe and ABS cement (although it's combination ABS/PVC cement) and it's not ideal. The smaller hardware stores (Ace, True Value) normally have ABS cement. I use Oatey, which works great. You can also get it online from Amazon for a lot cheaper: Oatey ABS Cement

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Re: Bonding Saddlebag cracks

Postby rivetset » Thu Oct 28, 2010 8:15 am

Thanks for all the help. Sounds like you folks have already been there done that. I am off to the hardware store.




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