3800 Series Sliding Door Mortise Lock Installation Instructions I-LS01774

1. PREPARE DOOR AND JAMB

A. Mark lockset centerline.

• 1. Measure desired height from finished floor.
• 2. Mark centerline on both faces and edge of door.

CAUTION: The outside and inside of the door may require different preparation. Use proper template for outside (exterior or corridor) and inside of door.

• 1. Align centerline of door template with centerline mark on door edge.
• 2. Based on the function of the lock, mark position of drill points.

C. Mortise door edge for wood doors.

• 1. Align template with centerline of door edge.
• 2. Mark and drill two (2) 1" diameter holes, 4-1/2" deep.
• 3. Remove remaining wood until the mortise is 1" wide by 4-1/4" high by 4-1/2" deep.

Note: To prevent splintering or damaging of doors, drill through holes halfway from each side of the door.

E. Create a recess for the lock face.

The standard recess is 1-1/4" x 5-19/32" x 7/32".

F. Install strike.

• 1. Align centerline of strike template with the centerline marked on doorjamb.
• 2. Bore 1" diameter holes into doorjamb, 1-1/8" deep.
• 3. Recess 3/32" for a flush fit.
• 4. Using a Philips screwdriver and two (2) strike mounting screws, install strike into doorjamb.

7/32" (6.0mm)

REV 2 27390079

3800 Series Sliding Door Mortise Lock Installation Instructions I-LS01774

2. INSTALL LOCK CASE	3. INSTALL OUTSIDE FULL FACE CYLINDER
	A. Assemble cylinder. B. Using a partially inserted key, screw the cylinder into the lock case. a . b.
4. INSTALL THUMBTURN	5. INSTALL INSIDE FULL FACE CYLINDER
A. Insert the thumbturn in the vertical position. B. Throw deadbolt, install two (2) thumbturn mounting screws. a . b.	Follow Step 3.
6. INSTALL ARMOR FRONT
A. If needed, tighten the cylinder anchor screw until hand-tight. B. Tighten the two (2) lock case mounting screws. C. Place armor front in position and install two (2) armor front screws. a. b.
c.

REV 2 27390079