In100 mortise lock – SARGENT IN100 Mortise Locks User Manual

Page 9

6/30/12

1-800-810-WIRE • www.sargentlock.com • A8122A 9

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IN100 Mortise Lock

Fig. 6B

1. Slide the spring and the rosette onto the cylinder.
2. Rotate the cylinder into cylinder hole with fingers.
3. Insert key 75% of the way and utilize the key to rotate the cylinder into the rest of the cylinder hole.

Note: Do not attempt to tighten all the way.

4. Verify the orientation of the cylinder has the Sargent logo as depicted in Fig. 6A.
5. Hand tighten the cylinder clamp screw with Phillips screwdriver

to prevent unscrewing of the cylinder (Fig 6C).

6. Test cylinder function:

• Key retracts latchbolt and deadbolt

(7976 function). Key retracts latchbolt

(7978 function).

• Cylinder not present for 7977

and 7979 functions.
NOTE: Use lever handle holes

to manipulate lock to ease

thread engagement of cylinder.

Fig. 6C

Outside of Door

IMPORTANT: Position cylinder so that the

SARGENT logo is positioned correctly.

Correct Incorrect

Fig. 6A

6 Outside Cylinder Installation

7 Install Thumb Turn

Fig. 7

Thumb Turn

Inside of Door

Cylinder

Clamp-

Screw

Phillips
Screwdriver

1. Insert thumb turn into preparation hole and engage slot in lock body.
2. Orient mounting plate so screw hole is vertical (aligned with

preparation holes).
3. Secure plate with phillips screw provided.
4. Test thumb turn for function by retracting and projecting the deadbolt

(7976 and 7977 functions only).

Phillips

screw

Rosette

Spring

Cylinder

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to see a video of this installation step. The Microsoft

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