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Opening four wheel combination lock

Dialling open a La Gard four wheel mechanical combination safe lock set on 20, 40, 60, 80. Showing the dialling procedure for standard footprint combination locks along with some helpful information.

When choosing new code numbers the last one has to be higher than 20 to avoid clashes with the drive cam. It is recommended that you avoid ascending or descending sequences of numbers. I recommend keeping consecutive numbers at least five digits apart and of course steer clear of obvious birthdays and 10, 20, 30, 40. The best combinations have at least one number set not using 5s or 10s and that’s easier to dial in the anticlockwise direction.

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