S&G 8550 Dial Combination Lock MP-LOCK

 

Opening the Safe
1. Turn the dial left past the first number 3 times and stop on the forth time.
2. Turn the dial right past the second number twice and stop on the third time.
3. Turn the dial left past the third number once and stop on the seond time.
4. Turn the dial right to 0.
5. until the dial stops at the last number.
5. Turn the handle and open the door.

Note: The part number for the S&G 8550 lock is T-3600.

Combo Does Not Work
1. Run the combo with all numbers one number low. Example: Combo should be 50-25-50, run 49-24-49.
2. Try one number high.
3. Continue in 1/2 number increments up to 3 numbers off in either direction.
4. If the door opens using one of the above methods, check if the users tend to spin the dial rapidly. If so, this will cause tumbler wear and combo drift.
5. Once the door is opened, the combo should be changed and tested before being shut.
6. If the door cannot be opened, it must be drilled.