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ACM Thompson grub screw problem
http://forum.alienslegacy.com/viewtopic.php?f=4&t=2452		 Page 1 of 1
Author:  thedustroom [ Mon Aug 13, 2007 9:00 pm ]
Post subject:  ACM Thompson grub screw problem
I got my ACM Thompson today and trying to loosen the grub screw to remove the barrel and it's rounded my allen (hex) key, two of them now.

I can't bloody budge the screw so what are my options? I'm guessing I can't drill it out as it's needed?

The word is ARSE!
Author:  Sidewinder [ Mon Aug 13, 2007 9:15 pm ]
Post subject: 
I'd say drill it out, don't really need it - the two screws underneath are what hold the barrel on. Might find the metal to be very hard however.

SAS
Author:  thedustroom [ Mon Aug 13, 2007 9:19 pm ]
Post subject: 
I guess I'll take a dremmel to it first to make a makeshift flat screwdriver slot - doesn't matter if I damage the Thompson barrel anyway.
Author:  JediFraz [ Mon Aug 13, 2007 9:47 pm ]
Post subject: 
Counter tap it.. If you have the stuff..:)
Author:  DATA [ Tue Aug 14, 2007 7:48 pm ]
Post subject: 
Ok there a few things that you can do.

Drill the core size of the grub size.

I.E if it a M6 you drill it 5mm. Than you can re-tap it at a later date.

Or you can drill it to the next size if you what a bigger grub screw.

They used a lock tight I bet.

A easy out can be used as they dig into the hole and force it out.

Cheer's Steven
Author:  thedustroom [ Tue Aug 14, 2007 9:24 pm ]
Post subject: 
Well, as that piece of the Thompson isn't needed I just got my dremmel on the blaggard!

It's sorted now and I can get on building :D
Author:  tommin [ Wed Sep 12, 2007 7:56 pm ]
Post subject: 
Had the same problem with mine. Looks like they are making these to be permanent. ...or trying to, anyway. :roll:

There is a much cleaner way of removing the barrel, though. :wink:
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