Opening Procedure (8400 and 8500 Series)

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in the unlocked position. This is a standard feature on the newer 8470s.

Existing locks can be retrofitted for this latch. The 8470 is illustrated in

Figures 17 and 18. Strikes authorized for use with the Sargent & Greenleaf

8470 are illustrated in Figures 19 through 22.

To open a Sargent &

3.2.5.1

Opening Procedure (8400 and 8500 Series).

Greenleaf 8470MP Lock, proceed as follows:

a) Turn the dial LEFT, stopping when the first number of the

combination is aligned with the OPENING index the fourth time.

b) Turn the dial RIGHT, stopping when the second number is aligned

the third time.

c) Turn the dial LEFT, stopping when the third number is aligned

the second time.

d) Turn the dial RIGHT to O. Hold the dial in this position.

If the 8470MP has an 8400 Series Combination Lock:

e) Turn the arrow knob (butterfly) in the center of the dial RIGHT

as far as it will go.

CAUTION

Ensure the dial is held at zero when turning the

arrow knob during opening and closing. Internal

spring damage can occur, requiring lock to be

replaced.

The bolt is now

f) Turn the dial to the RIGHT until it stops.

fully retracted.

If the 8470MP has an 8500 Series Combination Lock, do the following:

e) With zero aligned with the OPENING index, push the dial in to

activate the lever assembly, release dial.

f) Turn the dial RIGHT until the bolt is fully retracted.

Securing Procedure. To secure the 8470MP lock, turn the dial to the

3.2.5.2

LEFT at least four complete revolutions.