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 3.2.5.3
Combination Changing Procedure. To change a combination setting,
begin by selecting a new three-number sequence based on the rules presented in
paragraph 2.1.3e. Record the new combination in accordance with security
directives and proceed as follows:
a) Open the lock as described in paragraph 3.2.5.1.
b) With the door or container open, throw the door/drawer bolt to
the locked position. If the container has a bolt interlock, it will be
necessary to depress the interlock plunger before the bolt can be thrown while
the unit is open. Use the procedure recommended by the unit's manufacturer.
c) Throw the locking bolt by using the procedure stated in
paragraph 3.2.5.2.
d) Using the CHANGING index and the old combination, turn the dial
LEFT, stopping when the first number is aligned the fourth time.
e) Turn the dial RIGHT, stopping when the second number is aligned
the third time.
f) Turn the dial LEFT, stopping when the third number is aligned
the second time. Hold the dial in this position.
g) Fully insert the appropriate change key in the keyhole in the
back of the lock (reference paragraph 3.2.1). Rotate the key one quarter turn
LEFT . This will unlock the wheels. Do not force the key.
NOTE
On some containers, it may be necessary to
remove a cover or door panel to expose the
back of the lock.
h) With the key in this position, turn the dial at least four
complete revolutions to erase the old combination.
i) To set the new combination, turn the dial LEFT, stopping when
the first number of the new combination is aligned with the CHANGING index the
fourth time.
j) Turn the dial RIGHT, stopping when the second number is aligned
with the CHANGING index the third time.
k) Turn the dial LEFT, stopping when the third number is aligned
with the CHANGING index the second time. Hold the dial in this position.
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