
4
5.
6. Mount trim to door thru holes “B”. Fasten finger tight
only with (2) screws and washers seating on door
as shown in Fig. 1.
7a. For 681F Nightlatch Trim: Cut trim tailpiece as
shown in Fig. 2. Seat device so that the trim tailpiece
penetrates cam slot as shown in Fig. 1.
7b. For 684F Mortise Nightlatch Trim: Insert and thread
cylinder into Mortise Lock until seated within escutcheon
recess with keyway positioned vertically and with plug
in lower cylinder as shown in Fig. 3. Tighten cylinder
locking screw thru mortise lock front.
8. Continue as shown in device instructions.
Spot holes and prepare door for trim.
Installation Instructions
After marking door inside face for device location
(Device Instructions), transfer Vertical Reference
Centerline from inside to outside door face. Follow
steps 2a. and 2b. below.
Check box for contents. See page 2 for
components.
1.
2.
Align trim template and tape to outside door face.4.
Transfer Horizontal Reference Centerline from
inside to outside door face.
3.
B
B
A
A
RHR Door
Shown
684F
Cylinder for
Yale
Cylinder Hole
Figure 3: 684F Mortise
Cylinder Installation
Figure 1 Figure 2: 681F Nightlatch Tailpiece Sizing
Product Support Tel 800.433.1951 • www.yalelocks.com
Yale® is a registered trademark of Yale Security Inc., an ASSA ABLOY Group company. Other products' brand names may be trademarks or registered trademarks of their
respective owners and are mentioned for reference purposes only. These materials are protected under U.S. copyright laws. All contents current at time of publication.
Yale Security Inc. reserves the right to change availability of any item in this catalog, its design, construction, and/or its materials.
Copyright © 2003, 2013, Yale Security Inc., an ASSA ABLOY Group company.
All rights reserved. Reproduction in whole or in part without the express written permission of Yale Security Inc. is prohibited.
Yale Locks & Hardware is a division of Yale Security Inc., an ASSA ABLOY Group company.
An ASSA ABLOY Group brand
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