Key Stuck in U-Lock
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Key Stuck in U-Lock
So, we have a u-lock, lightly used about 10 times, with the key stuck in it. Lubricating the lock hasn't seemed to help. Ideas?
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what brand of u lock or style of keyway? traditional type i would jiggle the key up and down and pull while the key is lined up at the shear line. disc style, got to line up the plates. is the key bent?
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If you have one of those keys which are basically a flat bar with notches cut out of both sides (On Guard and Krypronite both) You have to work it back and forth. The key passes a series of discs which need to be aligned for the Key to come out. Note that on both these locks the key cannot be removed in the open position. If you can still turn it or better yet open the lock, turn the key all the way to the open position, then all the way back to closed, then try to ease the key out.
If the issue is that the key is stiff to turn or jammed, lubricating the keyway won't help. The problem is in the sliding deadbolt which may be sticking or rusty. If you can open the lock, remove the U-bar and spray some WD-40, tri-flow, or other light oil onto the mechanism and work it back and forth with the key until is slides freely over the full range, then try bringing to the locked position to remove the key.
If the issue is that the key is stiff to turn or jammed, lubricating the keyway won't help. The problem is in the sliding deadbolt which may be sticking or rusty. If you can open the lock, remove the U-bar and spray some WD-40, tri-flow, or other light oil onto the mechanism and work it back and forth with the key until is slides freely over the full range, then try bringing to the locked position to remove the key.
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It is an On Guard lock, and the key style is indeed basically a flat bar with mirrored notches cut from each side. The key still turns smoothly in the keyway, and I can pull it out about 3mm, then it is stuck, but still rotates freely. Sounds like it is stuck on one of the lock plates?
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It is an On Guard lock, and the key style is indeed basically a flat bar with mirrored notches cut from each side. The key still turns smoothly in the keyway, and I can pull it out about 3mm, then it is stuck, but still rotates freely. Sounds like it is stuck on one of the lock plates?
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WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FB
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
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If you have one of those keys which are basically a flat bar with notches cut out of both sides (On Guard and Krypronite both) You have to work it back and forth. The key passes a series of discs which need to be aligned for the Key to come out. Note that on both these locks the key cannot be removed in the open position. If you can still turn it or better yet open the lock, turn the key all the way to the open position, then all the way back to closed, then try to ease the key out.
If the issue is that the key is stiff to turn or jammed, lubricating the keyway won't help. The problem is in the sliding deadbolt which may be sticking or rusty. If you can open the lock, remove the U-bar and spray some WD-40, tri-flow, or other light oil onto the mechanism and work it back and forth with the key until is slides freely over the full range, then try bringing to the locked position to remove the key.
If the issue is that the key is stiff to turn or jammed, lubricating the keyway won't help. The problem is in the sliding deadbolt which may be sticking or rusty. If you can open the lock, remove the U-bar and spray some WD-40, tri-flow, or other light oil onto the mechanism and work it back and forth with the key until is slides freely over the full range, then try bringing to the locked position to remove the key.
My OnGuard Bulldog Mini stuck Friday. The key went in easily, and turned. I unlocked the lock but then when I tried to re-lock it, it wouldn't turn, so the key wouldn't come out. Tried repeatedly Friday and Saturday (had limited time though) to no avail.
Today I thought I'd take it out to the garage and tap on the lock body with a hammer while trying to turn it. I picked it up, decided to try it once first, and it turns and opens just fine. So I put graphite in the keyway, and turn it repeatedly without the shackle.
Then I did a search and read your post. I put the shackle on, and now it won't turn again. Turns without the shackle, but not with. I thought maybe I didn't have the shackle seated, but I did. So, I sprayed the crap out of the deadbolt mechanism with Teflon Multi-Lube, and cycled the lock repeatedly. Then I put the shackle on and so far it works just fine.
This was incredibly frustrating when it happened, and I'm still not sure I trust the lock anymore, but at least if failed while unlocked, I guess.
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Thanks for this.
My OnGuard Bulldog Mini stuck Friday. The key went in easily, and turned. I unlocked the lock but then when I tried to re-lock it, it wouldn't turn, so the key wouldn't come out. Tried repeatedly Friday and Saturday (had limited time though) to no avail.
Today I thought I'd take it out to the garage and tap on the lock body with a hammer while trying to turn it. I picked it up, decided to try it once first, and it turns and opens just fine. So I put graphite in the keyway, and turn it repeatedly without the shackle.
Then I did a search and read your post. I put the shackle on, and now it won't turn again. Turns without the shackle, but not with. I thought maybe I didn't have the shackle seated, but I did. So, I sprayed the crap out of the deadbolt mechanism with Teflon Multi-Lube, and cycled the lock repeatedly. Then I put the shackle on and so far it works just fine.
This was incredibly frustrating when it happened, and I'm still not sure I trust the lock anymore, but at least if failed while unlocked, I guess.
My OnGuard Bulldog Mini stuck Friday. The key went in easily, and turned. I unlocked the lock but then when I tried to re-lock it, it wouldn't turn, so the key wouldn't come out. Tried repeatedly Friday and Saturday (had limited time though) to no avail.
Today I thought I'd take it out to the garage and tap on the lock body with a hammer while trying to turn it. I picked it up, decided to try it once first, and it turns and opens just fine. So I put graphite in the keyway, and turn it repeatedly without the shackle.
Then I did a search and read your post. I put the shackle on, and now it won't turn again. Turns without the shackle, but not with. I thought maybe I didn't have the shackle seated, but I did. So, I sprayed the crap out of the deadbolt mechanism with Teflon Multi-Lube, and cycled the lock repeatedly. Then I put the shackle on and so far it works just fine.
This was incredibly frustrating when it happened, and I'm still not sure I trust the lock anymore, but at least if failed while unlocked, I guess.
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FB
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
#8
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Thanks. Now I need to lube my other two. I have the Onguard Bulldog Mini (mentioned), Onguard Beast, and a Kryptonite Series 2. I suspect they all operate about the same way, and are prone to the same failures.
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From what I can tell by reading on-line reviews, the On-Guard is prone for this failure. When it fails closed while locking a bike a $100 locksmith fee is typical, they have to use an angle grinder....
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I think I would buy an angle grinder, if I could get to an outlet. The cordless ones are expensive, but the corded versions aren't too bad.
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Might be cheaper and easier to avoid on-guard locks, but if that's the only way you can justify a tool purchase. I don't have much use for an electric angle so the expense would lost on me.
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I'm pretty certain I've read at least one thread where a Kryptonite got stuck too. But if not, then I definitely agree.
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I've seen that video. Pretty eye-opening.
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In the video, the thief plugs his angle grinder into an outlet behind a street lamp's base panel. Who knew there was an outlet there, bums can charge their i Phones! I can cut ANY 1/2" or smaller cables in less than 30 seconds using a $15 pair of Craftsman lineman's pliers. They're slightly larger than a pair of standard pliers. U-lock or heavy chain stops punks with lineman's pliers, no way to stop a pro, if they want your bike it's gone.
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I had trouble with an OnGuard Pitbull mini because the yellow rubber boot around the shackle ends was preventing the U from completely seating against the locking part. When I lined it up correctly, locking turned out to be as smooth as can be. I have had a lot of success with them in the past, but the two I recently bought both had this annoying rubber boot problem.
#19
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I had trouble with an OnGuard Pitbull mini because the yellow rubber boot around the shackle ends was preventing the U from completely seating against the locking part. When I lined it up correctly, locking turned out to be as smooth as can be. I have had a lot of success with them in the past, but the two I recently bought both had this annoying rubber boot problem.
Your story doesn't inspire confidence in the newer models either, though, which is disappointing.
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