Added: 3 years ago
From: Securikey
Views: 38,140
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  • I have a sentry so200 combination lock, i know the combination but i want to change it but there is NO where u can put a key so how can i change it??

  • Is the change key for three wheel combination lock works for all brands? Where to get it? My old safe box stated "Group2 Federal Inc.,Southington, CT, USA" at the back of the door; but I can't even find the company from google.

  • why is there a second mark at 11 clock?

  • @cosmicgate07 That's the changing index used (in conjunction with a special key) to change the combination of the safe.

  • Thanks for this video, it was really helpful.

  • I have an old safe that was a gift from my old boss. he didn't know the combo, and he never figured it out. the door is open, and I have taken off the piece of metal covering the rotors, but the notches cut into the rotors are in the shape of a V, so when trying to set them in position I can never tell if its really where they need to be. I want to crack it myself, but have limited patience. any suggestions?

  • First you need to buy a change key for your lock by manufacturer & how many 'wheels' it has. To change the code this key must go into the lock & through the wheels. Align the changekey holes in the wheels & the hole in the case. Once you have all the holes in line re-fix the lid. The change key should then go all the way in & rotate 90 degrees. The video will tell you what to do next. Remember to use the changing index & try your new combination at least 7 times WITH THE DOOR OPEN - Good luck

  • wowie wow wow

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