Best 7KC Series User manual

CREDITS/COPYRIGHT
Copyright © 2000–2004 Stanley Security Solutions, Inc. and Stanley Logistics, Inc. All
rights reserved. Printed in the United States of America.
Information in this document is subject to change without notice and does not
represent a commitment on the part of Stanley Security Solutions, Inc. The software
described in this document are furnished under a license agreement or nondisclosure
agreement.
This publication is intended to be an accurate description and set of instructions
pertaining to its subject matter. However, as with any publication of this complexity,
errors or omissions are possible. Please call your BEST®distributor or Stanley Security
Solutions, Inc., Best Access Systems at [phone] if you see any errors or have any
questions. No part of this manual and/or databases may be reproduced or transmitted
in any form or by any means, electronic or mechanical, including photocopying,
recording, or information storage and retrieval systems, for any purpose, without the
express written permission of Stanley Security Solutions, Inc.
This document is distributed as is, without warranty of any kind, either express or
implied, respecting the contents of this book, including but not limited to implied
warranties for the publication’s quality, performance, merchantability, or fitness for any
particular purpose. Neither Stanley Security Solutions, Inc., nor its dealers or
distributors shall be liable to the user or any other person or entity with respect to any
liability, loss, or damage caused or alleged to be caused directly or indirectly by this
publication.
Written and designed by Stanley Security Solutions, Inc. and Avalon Group, Inc.,
Indianapolis, Indiana.
T80621 Rev B 1832441 ER7991-6 November 2004

7KC Series Service Manual iii
CONTENTS
FIGURES V
GETTING STARTED 1–1
Introduction 1–1
Certifications and standards 1–1
Documentation package 1–2
Technical support 1–3
Support services 1–3
Telephone technical support 1–3
FUNCTIONS AND PARTS LISTS 2–1
Function descriptions 2–2
Single-keyed functions 2–2
Non-keyed functions 2–3
Functions by ANSI designation 2–3
AB function chassis and trim—entrance lock (ANSI F109) 2–4
Trim parts 2–5
Strikes and strike boxes 2–5
Roses 2–6
Buttons 2–6
Standard levers and throw member 2–7
Non-interchangeable lever and cylinders 2–8
Latches 2–9
Installation tools 2–10

Contents
iv 7KC Series Service Manual
SERVICE AND MAINTENANCE 3–1
Replacing parts 3–2
Replacing the lever 3–2
Replacing the inside rose 3–5
Replacing the outside rose 3–6
Replacing the button assembly 3–8
Lubricating the cores 3–10
Aligning the chassis and trim 3–11
Troubleshooting 3–12
INSTALLATION INSTRUCTIONS A–1
Position template 1–3
Bore two holes and install latch 1–3
Install boring jig and drill two 5/16” diameter holes 1–3
Adjust lock to door thickness 1–3
Engage retractor in latch 1–4
Install liner, rose, and lever 1–4
Install strike plate 1–4
Install core 1–4
INDEX B–1

7KC Series Service Manual v
FIGURES
FUNCTIONS AND PARTS LISTS
Understanding function drawings 2–2
Strikes and strike boxes 2–5
Roses 2–6
Buttons 2–6
Throw member 2–8
#15 Keyed lever for non-interchangeable cylinders 2–8
Latches 2–9
SERVICE AND MAINTENANCE
Removing the keyed lever 3–2
Removing the plain lever or button lever 3–3
Reinstalling the lever (keyed lever shown) 3–4
Removing the inside rose with the screwdriver 3–5
Reinstalling the inside rose and rose liner 3–6
Removing the outside rose 3–7
Reinstalling the outside rose 3–7
Engaging the retractor in the latch 3–8
Removing the button assembly 3–9
Inserting the button assembly into the sleeve 3–9
Engaging the retractor in the latch 3–11
Adjusting the outside rose and liner assembly 3–12

Figures
vi 7KC Series Service Manual

7KC Series Service Manual 1–1
1 GETTING STARTED
INTRODUCTION
The 7KC Series Service Manual contains essential
information to help you maintain your 7KC Series
Lock.
CERTIFICATIONS AND STANDARDS
■The product complies with ANSI A156.2,
Series 4000 Grade 2 standards; California
Administrative Code Title 19 and Title 24; Illinois
Accessibility Standard.
■The locks are listed by Underwriter’s Laboratories
for use on 3 Hr., A label single swinging doors
(4´x 8´).
■The 6KS2 and 6KS3 strike fits the standard door
frame cutout as specified in ANSI A115.2.

Getting Started
1–2 7KC Series Service Manual
DOCUMENTATION PACKAGE
The following documentation is available to help you with the
installation, start-up, and maintenance of your 7KC Series Lock.
The installation and assembly instructions also can be ordered
separately:
The templates required for lock installations also can be ordered
separately:
Document Title
Doc.
No.
Installation Instructions for 72KC–75KC Cylindrical Locks†
† These installation instructions are included in this manual. See Installation
Instructions on page A–1.
T80622
Installation Instructions for 72KC–75KC OEM Key-in-Knob cylinders
(provided by others)
T80628
Installation Instructions for 72KC–75KC Key-in-Knob cylinders
(provided by BEST)
T81196
Installation Instructions for 7KC 1DT and 9K 1DT/2DT Dummy Trim
Assemblies
T56076
Document Title
Doc.
No.
K08 Template for Door and Frame Preparation for 63K, 73KC, 83K,
93K Cylindrical Locks with Small (STK) Strike
T56052
K09 Template for Door and Frame Preparation for 63K, 73KC, 83K,
93K Cylindrical Locks with Large (S3) Strike
T56053
K10 Template for Door and Frame Preparation for 64K, 74KC, 84K,
94K Cylindrical Locks with Small (STK) Strike
T56054
K11 Template for Door and Frame Preparation for 64K, 74KC, 84K,
94K Cylindrical Locks with Large (S3) Strike
T56055
K12 Template for Door Frame Preparation for 65K, 75KC, 85K, 95K
Cylindrical Locks with Small (STK) Strike
T56056
K13 Template for Door Frame Preparation for 65K, 75KC, 85K, 95K
Cylindrical Locks with Large (S3) Strike
T56057
K18 Template for 7KC, 8K, 9K Dummy Trim T56059
K21 Template for Strike Specification for 6K, 7KC, 8K, 9K Cylindrical
Locks
T56060
Template for 3 3/4" and 5" Backset for 6K, 7KC, 8K, 9K Cylindrical
Locks with RQE
T56077
Template for 2 3/4" Backset for 6K, 7KC, 8K, 9K Cylindrical Locks with
RQE
T56091
Template for 2 3/8" Backset for 6K and 7KC Cylindrical Locks T56092

Getting Started
7KC Series Service Manual 1–3
TECHNICAL SUPPORT
Support
services
When you have a problem with the 7KC Series Lock, your first resource
for help is the 7KC Series Service Manual. If you cannot find a
satisfactory answer, contact your local BEST Representative.
Telephone
technical
support
A factory-trained Certified Product Specialist (CPS) is available in your
area whenever you need help. Before you call, however, please make
sure you are where the 7KC Series Lock is, and that you are prepared to
give the following information:
■what happened and what you were doing when the problem arose
■what you have done so far to solve the problem.
Best Access Systems Representatives provide telephone technical
support for all 7KC Series products. You may locate the representative
nearest you by calling [phone] Monday through Friday, between
7:00 a.m. and 4:00 p.m. eastern standard time; or visit the web site,
www.BestAccess.com.

Getting Started
1–4 7KC Series Service Manual

7KC Series Service Manual 2–1
2 FUNCTIONS AND PARTS LISTS
The following pages contain function descriptions
for all 7KC Series Locks. This chapter also includes
an exploded diagram of a lock as well as diagrams of
trim and other miscellaneous parts.

Functions and Parts Lists
2–2 7KC Series Service Manual
FUNCTION DESCRIPTIONS
This section includes function descriptions grouped by the following
function types:
■single-keyed (page 2–2)
■non-keyed (page 2–3)
■ANSI designation (page 2–3).
Note: If the function is ANSI defined, the ANSI designation appears by
the function name.
Single-keyed
functions
The following lists describe how the latchbolt, outside lever, and inside
lever operate for each single-keyed 7KC function.
Figure 2.1 Understanding function drawings
OutsideInside
Latch
Shading indicates
that the lever is fixed.
View looking down
at the top of the door
AB–Entrance (ANSI F109) D–Storeroom (ANSI F86)
Latchbolt operated by:
■inside lever
■outside key
■outside lever when not locked
Outside lever locked by:
■inside button when pushed in
■inside button when pushed in
and rotated clockwise
Outside lever unlocked by:
■inside lever when inside
button pushed in but not
turned
■outside key when inside
button pushed in but not
turned
■closing door when inside
button pushed in but not
turned
Insideleverisalwaysunlocked
Latchbolt operated by:
■inside lever
■outside key
Outside lever is always fixed
Insideleverisalwaysunlocked

Functions and Parts Lists
7KC Series Service Manual 2–3
Non-keyed
functions
The following lists describe how the latchbolt, outside lever, and inside
lever operate for each non-keyed 7KC function.
Functions
by ANSI
designation
R–Classroom (ANSI F84)
Latchbolt operated by:
■inside lever
■outside key
■outside lever when not locked
Outside lever locked by:
■outside key
Outside lever unlocked by:
■outside key
Insideleverisalwaysunlocked
L–Privacy (ANSI F76) N–Passage (ANSI F75)
Latchbolt operated by:
■inside lever
■outside lever when not locked
Outside lever locked by:
■inside button
Outside lever unlocked by:
■inside lever
■outside slotted button when
rotated counterclockwise
■closing door
Insideleverisalwaysunlocked
Latchbolt operated by:
■inside lever
■outside lever
Outsideleverisalwaysunlocked
Insideleverisalwaysunlocked
Y–Exit 1DT–Single dummy trim
Latchbolt operated by:
■inside lever
Insideleverisalwaysunlocked
This trim assembly is a single,
surface–mounted, non-rotating
lever for an inactive door or a
non-latching door. It can be
installed on either the inside or
outside of the door.
ANSI no. Function
F75 N
F76 L
F84 R
F86 D
F109 AB

Functions and Parts Lists 2–4 7KC Series Service Manual AB FUNCTION CHASSIS AND TRIM—ENTRANCE LOCK (ANSI F109)
This diagram shows the AB function lock. The chassis without trim and
individual chassis parts are not available to order. See the following pages for part numbers.
■For levers, see page 2–7.
■For roses, see page 2–6.
■For buttons, see page 2–6.
Figure 2.2 AB function exploded diagram
Inside
Outside
AB

Functions and Parts Lists
7KC Series Service Manual 2–5
TRIM PARTS
The available finishes are 605, 606, 612, 613, 625, 626.
Strikes and strike
boxes
Strikes and strike boxes parts list
Figure 2.3 Strikes and strike boxes
12
4
3
5
Item
Nomen–
clature Part no.†
† Specify finish.
Qty. Description
1 8KS1 B25640 1 Standard steel strike box
26KS2
‡
‡ Includes one A53761 strike, two A25359 strike screws, and one B25640 strike
box.
A53761 1 Standard strike
3 N/A A25359 2 Strike screw
46KS3
††
†† Includes one A53773 strike and two A18724 strike screws.
A53773 1 ANSI strike
5 N/A A18724 2 Strike screw

Functions and Parts Lists
2–6 7KC Series Service Manual
Roses
Roses parts list
Buttons
Buttons parts list
Figure 2.4 Roses
1
2
3
Item Part no.†
† Specify finish.
Qty. Description
1 B56163 1 Inside rose
not shown 1833712 1 Inside rose liner
2 A55557 2 Through-bolt screw
3 B56164 1 Outside rose
not shown 1833754 1 Outside rose liner
Figure 2.5 Buttons
123
Finish
Item 1
Turn button assembly
Item 2
Slotted button assembly
Item 3
Push button assembly
605 1836205 1835725 1835966
606 1836247 1835767 1836006
612 1836289 1835809 1836048
613 1836320 1835840 1836080
625 1836362 1835882 1836121
626 1836404 1835924 1836163

Functions and Parts Lists
7KC Series Service Manual 2–7
Standard levers
and throw member
Standard levers parts list
Figure 2.6 Standard levers
Lever style #14 Lever style #15 Lever style #16
1
2
36
5
47
8
9
Style Item Part no.†
† Specify finish.
Description
1 D56159 Plain lever handle
14 2 D56157 Button lever handle
3 D56158 Keyed lever handle
4 D56155 Plain lever handle
15 5 D56153 Button lever handle
6 D56154 Keyed lever handle
7 D56162 Plain lever handle
16 8 D56160 Button lever handle
9 D56161 Keyed lever handle

Functions and Parts Lists
2–8 7KC Series Service Manual
Throw member part list
Non-
interchangeable
lever and cylinders
Non-interchangeable keyed lever and cylinders parts list
Figure 2.7 Throw member
1
2
Item Part no. Qty. Description
1 B56165 1 7KC throw member†
† Use for 6-pin and 7-pin cores. No spacer is required.
2 A56170 1 Throw member support ring
Figure 2.8 #15 Keyed lever for non-interchangeable cylinders
View looking inside the
end of the lever shaft
End of the lever shaft
1
Item Part no. Finish Description
1 D56156†
† Specify finish.
#15 Keyed lever for non-interchangeable cylinders
not shown 1888913 626 Non-interchangeable cylinder, keyed different
not shown 1888955 606 Non-interchangeable cylinder, keyed different
not shown 1891329‡
‡ Contains a set of 4 cylinders.
626 Non-interchangeable cylinder, keyed alike
not shown 1891287‡606 Non-interchangeable cylinder, keyed alike
not shown 1888756 626 Non-interchangeable cylinder, zero-bitted
not shown 1888798 606 Non-interchangeable cylinder, zero-bitted

Functions and Parts Lists
7KC Series Service Manual 2–9
Latches
Latches parts list
Figure 2.9 Latches
1
67
453
2 222
Item Part No.†
† Specify finish.
Nomen-
clature Backset Description
1 B80112 6KL2-NF‡
‡ Includes the latch and two A25359 latch screws.
2 3/8″Deadlocking latch with narrow
face (1″)
not shown B80188 6KL2-WF‡2 3/8″Deadlocking latch with wide
face (1 1/8″)
2 A25359 N/A N/A Latch screw
3 B80189 6KL3-NF‡2 3/4″Deadlocking latch with narrow
face (1″)
not shown B80113 6KL3-WF‡2 3/4″Deadlocking latch with wide
face (1 1/8″)
4 B80194 6KL4-NF‡3 3/4″Deadlocking latch with narrow
face (1″)
not shown B80195 6KL4-WF‡3 3/4″Deadlocking latch with wide
face (1 1/8″)
5 B80196 6KL5-NF‡5″Deadlocking latch with narrow
face (1″)
not shown B80197 6KL5-WF‡5″Deadlocking latch with wide
face (1 1/8″)
6 A80192 6KL2-L8 2 3/8″Drive-in latch
7 A80193 6KL3-L8 2 3/4″Drive-in latch

Functions and Parts Lists
2–10 7KC Series Service Manual
Installation tools
Installation tools parts list
Figure 2.10 Installation tools
1
2
3
4
5
6
Item
Nomen-
clature Part no. Description
1 KD303 C55034 Drill jig
2 KD325 A01514 Strike plate locating pin
3 KD315 1350393 Faceplate marking chisel (1 1/8″× 2 1/4″)
not shown KD312 1487975 Faceplate marking chisel (1″× 2 1/4″)
4 N/A A25341 Knob keeper tool
5 KD309 A54084 2 1/8″diameter chassis hole bit assembly†
† Use with the boring jig.
6 KD318 A54085 1″diameter drill bit assembly†