Replacing locked garage door lock without key.

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Wondering if this is possible? Lost the key for my up & under garage door (have access through another door) and with an upcoming holiday and nowhere to go, it is time to declutter the garage. Is it possible to remove the lock whilst in lock position, all the videos i've watched indicate that the lock has to be unlocked to remove it
Cheers guys.
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On the side of the lock mechanism should be a screw to hold the lock barrel in place.
You may be able to unscrew the screw and barrel may pull out.
If lock spindle holds barrel in place the you will have to drill lock barrel to release spindle
 
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usually, you have to turn the key slightly to be able to withdraw the barrel. How you go about it with no key, I haven't a clue
 
you can drill out the barrel. Where you put the key in is a round cylinder that rotates when you turn the key, and you can drill through that. The drill might snap when it hits the steel pins, so use quite a large one. Obviously you will have to fit a new cylinder afterwards.

If you drill from the inside, passers-by will not know that the lock is inoperative.

It is also possible to snap or corkscrew them, but drilling is less likely to scratch or damage your door.

p.s.
on mine, you can release the bars that engage with the frame, from the inside, so you can open the door. You may have to take out pins or screws that hold the mechanism in place. Mine is older and the turn handle on the inside can be pulled towards you to release. I have added internal brenton bolts to mine so I can use the personal door at the back to get in and out.

Yours look like the pivot pins will be retained with R-clips or split-pins. Take more photos of the linkage please.
 
Is there a number anywhere on the lock?
I bought a house without garage door key, ordered on eBay for about £3. Was a Marley with a number in it.
 
After emailing the suppliers, they replied back with no knowledge of the door, (insurance claim from previous owner). Tried picking the lock with hairpins and few other small tools after unscrewing the holding screw but didn't work.
Two options I have are a lock picking set or a bump key (drilling or locksmith is last resort) has anyone tried either of these and what was the outcome.
Cheers
 
With lock picks or bump keys you still have to know what your doing certainly with lock picks, thats my experience anyway, personally I would remove the whole lock assembly from the back of the door, it'll only be held with a few chunky pozi screws, disconnect it from the locking bars that go sideways, remove the handle and away you go, put the lock body in a vice and snap the cylinder off, replace cylinder probably a 35 or a 45/10 half cylinder and your done
 
Eventually got round to doing this now, took off the full assembly and removed the lock without any drilling or anything. Now tried to order a new one (40mm or 30/10) from Toolstaion for click + collect but it doesn't let me do it even though my local branch has it in stock, keeps trying to pay for delivery. Any ideas on how to order from them.
Cheers.
 
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