Front View, Mosler Model MRK 120 Mounted
c) Turn the dial to the LEFT, stopping when the third number of the
combination is aligned the second time.
d) Turn the dial to the RIGHT, pausing momentarily at zero, and
continue turning until it stops. This retracts the locking bolt.
Securing Procedure. To lock the MRK 120, turn the dial to the LEFT
at least four complete revolutions.
To change the combination on the
Combination Changing Procedure.
MRK 120, proceed as follows:
a) Use the guidelines in paragraph 2.1.3e. to make up a new combination.
Record the new combination in accordance with local security directives.