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How can I open my cash box mmf 221619003 from mmf industries without the 3 number combination?

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Posted on Jan 02, 2017

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SOURCE: resetting my master lock


Posted on Jun 15, 2010


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I forgot yo open a security box. Please let me know how.

1 You will need to find out the combination. The first thing to do is to move the entire dial that is in the lock to the right. This will let you know that all the wheels are disengaged. 3. You will need a stethoscope. Each time you turn the dial, you reach the point of the combination number you can hear a click here. You should make notes considering the numbers you can read on the dial each time you hear two clicks. This will help you know the length of the combination. You must use a stethoscope to listen carefully and precisely where the clicks sound. 4. Repeat the process. Then repeat the process considering the number of clicks you hear in the process, repeat several times to make sure you're right about the number of click. This information should be represented in a chart in order to know the numbers of the combination to open safe. You have to start testing the clicks generated by the box when the dial is turned, the dial should be at zero.
5. Combine data to open safe. With the data obtained when listening to the clicks generated by the dial, you should start making combinations and test them in the safe until you get the perfect combination that will help you open the safe. Example if when turning the dial you could hear 3 times two clicks, ie the combination of the safe must have 3 numbers. Consider the exact numbers you could see on the dial when you heard the clicks. Then you must have something like this in your notes (2, 65, 34). Start combining them and try in the safe until you find the right combination, start making patterns and discard. Then those copied in your notes will be the secret code numbers that will open safe. It is very important that you have been very careful when listening to the clicks and that this process has been done several times to be sure that these numbers are correct. Now you can make patterns, considering the numbers that you raise in the example, such as: 2.34,65); (34,265); (65,2,34) and so on until finding the correct one. That is why you need to write down all possible combinations and tosa trials. Remember the success of, without opening your safe, without a locksmith, and also considering that you do not have the possibility to call a manufacturer. Be: • Listen carefully to the sounds of the clicks you hear in the safe. • Avoid other sounds that may distort your ability to listen carefully • Record exact numbers where you clicked • Be patient and test your combinations. You must have on hand the instructions of the manufacturer of the safe, if you do not have it, look on the web since surely the manufacturer has a page where you can find this information. You could also call the manufacturer and prior identification will give you the key to your safe. Otherwise and if you've tried all the possible combinations and you just can not do it, call a locksmith. You no longer have a bad life and recover your valuable items, open safe can generate waste of time but if you strive you will stay with great satisfaction.

Aug 13, 2017 | Cell Phones

1 Answer

Combination for an Office Depot(?) combo lock cash box long forgotten; how can I open this? Model No. 538-793.

Best take it to a locksmith, he may be able to dismantle the lock and reset the tumblers, and give you the new combination.

Aug 03, 2015 | Locks & Locksmithing

1 Answer

How can I get a replacement key for the lock on the drawer?

cash register drawer keys usually can only be purchased from drawer all depends on who makes it, mmf casio apg samsung etc

Oct 09, 2014 | Royal Cash Register 500dx

1 Answer

Vaultz cash box combination

If it's open you move the handler to the left and move the numbers to whatever combination you decide, as you finish just release the handler! Try it fist before you lock it! Good luck!

Jul 10, 2013 | Office Equipment & Supplies

1 Answer

Misplaced instructions on how to reset combo on Vaultz cash box with 3 digit combo & latch

Directions for setting combination locks
1. With the lock open, push button (to the left, yes opposite of the arrow) and hold until the second operation has been performed.
2. Set number wheels to the desired combination (numbers roll down)
Do not forget the combination you have set!
3. Now release button. Press the button again as a check.

Apr 15, 2011 | Office Equipment & Supplies

1 Answer


Is there a default button on the bottom of the drawer? It usually just looks like a hole on the bottom of the drawer but inside is typically a button or switch to open the register in case of broken machine or power outage.

Mar 17, 2010 | Mmf Parts Cash Drawer - P/N...

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