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 302-402, turn the dial to the
LEFT at least four complete revolutions.
Combination Changing Procedure. If there is both an opening and
changing index on the face of the MRK 302-402, proceed with step a) to change
the combination. If the lock has only an opening index, the combination
changing procedure is identical to that of the Mosler MRK 120. Use the
procedure in paragraph 22.214.171.124, and 126.96.36.199, steps c) through k).
Use the guidelines in paragraph 2.1.3e to make up a new
Record the new combination in accordance with security
b) Open the door or container as outlined in paragraph 188.8.131.52.
c) With the door or container open, throw the locking bolt to the
locked position. If the unit has a bolt interlock, it will be necessary to
depress the interlock plunger before the bolt can be thrown to a locked
d) With the locking bolt in the locked position, turn the dial at
least four revolutions in one direction.
e) With the present (old) combination, use the same procedure as
when opening the unit except work the combination to the CHANGE index instead
of the OPENING index. On reaching the last number, stop and hold the dial in
f) Insert the change key (see Figure 34) into the change key hole
in the back cover. Turn the key in the direction indicated by the arrow until
it stops. Leave the change key in this position (see Figure 35).
On some units, it may be necessary to remove a
cover or door panel to expose the-back of the
g) Turn the dial at least four revolutions in one direction.
will erase the old combination.
h) With the new combination, turn the dial to the LEFT, stopping
when the first number aligns with the CHANGING index the fourth time.
i) Turn the dial to the RIGHT, stopping when the second number is
aligned with the CHANGING index the third time.