SARGENT Degree Key System - Manual (Page 7)

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Construction Master Keying
(21- Option)
Degree ™ Key System Technical Manual
90726:E 4/30/14
Copyright © 2013-2014, Sargent Manufacturing Company, an ASSA ABLOY Group com
pany. All rights reserved.
Reproduction in whole or in part without the express written permission of Sargent Manufacturing Company is prohibite
d.
SARGENT Degree cylinders when master keyed are offered with the
convenience of construction keying when specified with the 21- option
This is not recommended with DG3 key systems or any system where strict
key control and management is enforced
Construction keying simplifies the process when the building gets turned
over With this feature, the 21- cylinder is master keyed with a special
construction feature in one of the chambers The plug is prepped in two
places along both sides of the same chamber containing the construction
feature This allows the construction master key to be used during the
construction phases
It is highly recommended that all construction keys are collected and
accounted for once the project is complete to protect the integrity of the
key system This is not recommended with DG3 key systems or any system
where strict key control & management is enforced
New systems supplied with six construction master keys unless
otherwise specified Orders to existing key systems that require
additional construction keys are to be specified and ordered separately
Orders with 21- will have all change keys shipped separately from
hardware Six construction master keys provided per system unless
otherwise specified
The 21- is not available with hotel function cylinders or large format
interchangeable cores (6300 series) If construction keying is required
for LFIC, specify 64-DG- construction keyed cores
Construction Master Keying (Lost/Wafer Design) for DG1-, DG2- & DG3-
Cutaway cylinder showing construction
master key being used, putting the wafer
below the shear line while key is turned
Note the two empty “donut” holes
on either side of the chamber
Change key inserted in cylinder
putting the wafer at the shear line
As change key rotates,
construction wafer falls into
“donut” hole in the side of plug
Only construction wafer will
fall due to hole through its center
Change key rotated to
position for extraction
Wafer
Construction key inserted after
wafer is trapped Driver now
extends into plug chamber
Construction key if used will not rotate