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Old 06-29-2012, 10:15 AM   #1 (permalink)
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Marq Frame Bolt Removal

Hello all.

I'm looking for opinions on how to remove an extremely stripped and butchered back frame bolt on a Bob Long Marq Rapper.

Backstory (as told to me from the seller):

-person buys Marq
-person's friend wants to help him clean up Marq after a game
-person's friend uses Metric allan key instead of imperial and reefs way too hard
-back bolt connecting frame to body is severely stripped
-person grabs drill and tries to drill it out
-all person does is remove the top of the bolt
-person then tries to hand drill a small channel in flat top so that he can use a flathead screw driver
-person's small bit snaps and becomes lodged in top of bolt
-person realizes things have gone beyond their control
-person puts up Marq cheap stating condition (well, except for the snapped off small drill bit I didn't see when we did the exchange) and I say..........."Ah, why not?"

I'll provide pics when I get home.

Since I didn't see the small snapped off bit lodged in the bolt/it wasn't mentioned, I think a spiral extractor is out of the question. Plus, the grip makes it so that drilling straight down is pretty tight/near impossible. Originally, I was going to have the bolt removed and flip it. Don't think that's an option now. I'd just like to get it working. I'm just looking to get the ol' girl working. I realize she may be fuglified a bit, but I'm willing to live with that. She'll just be a workhorse for me.

So what are my options? Marq manual download for an overview of how one's put together here. Here's a few I've thought up and I'd like opinions.

1.) Contact a local machine shop.
2.) Remove engine. Dremel/mill just ahead of where the bolt holds the frame onto the body. TIG/JB weld back together.
3.) Contact BLAST.
4.) Is there someone here who could help?


#1 is a good idea, but I know none of the shops in my area have dealt with pb stuff. #2 is possible, but makes the marker ugly and I'm worried that I can't use my mill (space tolerances) and that I'd wreck the body with a dremel. #3 I've never dealt with BLAST before. Unsure of what it's like and I'm north of the border so it always makes things extra fun. #4 I'm open to.

Thoughts? Thanks for any input.
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Old 06-29-2012, 04:36 PM   #2 (permalink)
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Want to see pics. The diagram shows that the frame has a hidden keyhole to hold the rear bolt for the frame. Did the person who owned it ignore the hidden recess and just go through the top of the hole? If they removed the whole top of the bolt, then it should come off...yes no?

Anyways...pics please!
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Quote:
Originally Posted by Ieo View Post
I don't need it in my hands....the picture is right there. Cool thing about pictures: they give you an accurate representation of what something will look like. They've been doing it since 1822, or so I'm told.
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Old 06-30-2012, 02:24 AM   #3 (permalink)
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You've been warned. The following may contain scenes of violence. Viewer's discretion is advised.

Side shot. The fact that all 6 grip bolts were tightened to the point that it cracked the grips should tell you how much this poor girl has been through.
Picasa Web Albums - Jason - June 30, 2012

As you can see, the frame was drilled into. The hexagonal part was drilled out.
Picasa Web Albums - Jason - June 30, 2012

Both of these shots show where I'm guessing the smaller drill bit was used.
Picasa Web Albums - Jason - June 30, 2012
Picasa Web Albums - Jason - June 30, 2012

No doubt about it--she's been through hell. I realize, looking at her, that no one else would ever want her. So I'd just like to get her functionally 100%. The looks are now secondary. I'd just like to get her going so she can be one of my workhorses.

I feel like Sarah McLachlan's "Arms of an Angel" should start playing now.

"Only you, with your donation of expert advice, can help this trigger walk again. Please, give generously and help save a Marq today."
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Last edited by Jaccen; 06-30-2012 at 02:29 AM.
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Old 06-30-2012, 10:10 PM   #4 (permalink)
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Poor poor Marq.

So they drilled through the frame into the pocket, sad.

First thing i would try since it looks like its already been started, get a bit (pictured below) and a Dremel, and try turning it a slotted head. Take a small flat head and fit it to the slot, little dab of crazy glue to hold it in place, let it dry then try cracking it lose.


If that fails, it looks like the head is pretty much gone. You could take that same bit, or a small hard wheel and grind off whats left of the head. Get the frame off and use vice grips to get the stud out.

Tape the gun up good with Duct tape or something, just in case you slip. NO need to make it uglier. Once you have the frame off, drill out the hole in the frame so its at least nicer looking.
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Quote:
Originally Posted by Ieo View Post
I don't need it in my hands....the picture is right there. Cool thing about pictures: they give you an accurate representation of what something will look like. They've been doing it since 1822, or so I'm told.
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Old 07-02-2012, 05:30 PM   #5 (permalink)
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That looks like a boat-load of fun, heh. Removing stripped pocket screws is always a bit of a pain..

basically what Disco said is where you should go next with it if you want to try and do it yourself. It's basically the same thing i would try...by removing enough of the metal on the head you can probably take the front grip screw out and wiggle the frame enough to snap the head off of it and then with no pressure left on it the screw threading will unscrew very easily.

You can send it to BLAST if you want, they usually take a few weeks to get repairs back to you as there are usually only a couple techs working there.

If you want me to take a whack at it i can try as well :-)
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Old 07-03-2012, 07:19 PM   #6 (permalink)
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take whatever allen key fits best in it, slap a bunch of crazy glue, not a bunch but don't be shy. Put the key in the stripped head, wait for glue to set then giver a twist. If it fails, you just got a little bit of glue to cut threw if you go the slotting the head route.
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Old 07-03-2012, 09:09 PM   #7 (permalink)
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Quote:
Originally Posted by Falcone View Post
take whatever allen key fits best in it, slap a bunch of crazy glue, not a bunch but don't be shy. Put the key in the stripped head, wait for glue to set then giver a twist. If it fails, you just got a little bit of glue to cut threw if you go the slotting the head route.
I'd love to do that, but I bought it with the allan head already drilled (ie. it's much worse than being just stripped). I don't think there's enough left to try that. I have another "rescued marker" I could try that on, though.

On an aside, Ebay is great for buying "rescue markers." Sometimes intentionally---sometimes not
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