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 Opening Procedure - Previously Set Combination. To open a La Gard
3.4.1.2
Model 1980-A RL Combination Lock using a previously set combination, proceed
as follows:
a) Turn the dial to the LEFT at least four complete revolutions to
clear the combination lock.
b) Using the OPENING index, turn the dial to the LEFT, stopping
when the first number of the combination is aligned the fourth time.
c) Turn the dial to the RIGHT, stopping when the second number of
the combination is aligned with the OPENING index the third time.
d) Turn the dial to the LEFT, stopping when the third number of the
combination is aligned with the OPENING index the second time.
When the lock is open, the dial
e) Turn the dial to the RIGHT.
will not continue to turn to the right.
Securing Procedure. To lock the La Gard Model 1980-A RL Combination
3.4.1.3
Lock, turn the dial four complete revolutions to the LEFT.
Combination Changing Procedure. Changing the combination requires
3.4.1.4
access to the existing combination and a La Gard Group 1R change key (see
Figures 26 and 27). To change the combination, the lock must first be opened
using the present combination. With the bolt fully retracted (lock open),
verify that the dial stops between 90 and 100 on the OPENING index, and then
proceed as follows:
a) With the door or drawer open, throw the bolt(s) to the closed
position. If the unit has a bolt interlock, it will be necessary to depress
the interlock plunger before the bolt(s) can be thrown while the unit is open.
b) Throw the locking bolt by turning the dial at least four revolu-
tions in one direction.
c) Using the CHANGING index, turn the dial LEFT, stopping when the
first number of the old combination is aligned with the index the fourth time.
d) Turn the dial RIGHT, stopping when the second number of the old
combination is aligned with the CHANGING index the third time.
e) Turn the dial LEFT, stopping when the third number of the old
combination is aligned with the CHANGING index the second time. Hold the dial
fixed at this position.
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