Assa Abloy 4800LN Series Installation Instructions page 3

4800LN Series
Interconnected Lockset
Installation Instructions
NEW DOOR PREPARATION
1. Fold template as marked and place on door. If corner of
door is beveled, place template on widest side of door.
2. Mark centers for all holes. Drill 1/8" (3mm) pilot holes at
centers. Drill completely through door thickness.
3. Bore 2-1/8" (54mm) hole halfway through door. Finish
bore from other side to prevent splintering.
4. To mark strike location, close the door and push locator
pin through both guide holes marking the strike plates
center position.
5. Bore 2 holes 1" (25mm) through the door edge.
6. For handleset installation only: Bore 5/16" hole to
receive bottom portion of handleset.
7. Insert the latch and then trace outlines of latchplates.
Carefully chisel away outlined areas until plates fit flush.
Drill pilot holes for latchplates mounting screws.
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DEADBOLT INSTALLATION
Unscrew the top and bottom screws from the
interior mechanism housing and remove the
installation plate. Save these screws to reinstall
housing on the installation plate.
The exterior deadbolt assembly has a blade
(tailpiece) attached to the rear of the cylinder. This
tailpiece passes through the latch and engages the
interior assembly. Insert the key in the cylinder so
that the flat edge of the key is down and slide the
tailpiece through the horizontal slot in the latch.
Insert the deadbolt connecting screws through the
installation plate and connect the plate with the
exterior deadbolt housing. Slightly tighten these two
screws. Deadbolt screws are 1/4" x 2-1/2" for 2" to
1-1/2" thickness doors. Use 1/4" x 2-1/16" screws also
included for 1-3/8" thickness doors. DO NOT INSTALL
WITH THE DEADBOLT EXTENDED.
INTERIOR MECHANISM HOUSING
Reinstall the interior mechanism housing on the
installation plate with the two self-thread screws
saved before. Once this operation is done, make
sure the square spindle for the interior mechanism
housing is inside the hub of the lower latch and
operates the latch. Note that the thumbturn must be
in the vertical position then slide the lever over the
bottom tube and proceed same as with the exterior
assembly.
NEW DOOR PREPARATION
1. To prepare door frame for strike plates, locate the strike
plates' center position. Marked on the stage 4 for "new
door preparation".
2. Trace outlines of strike plates. Carefully chisel away
outlined areas until plates fit flush.
3. With a 1" (25mm) drill bit, drill a 1" (25mm) deep hole
at the upper strike plate to accept the bolt.
4. With a 1"(25mm) drill bit, drill a 1/2"(13mm) deep hole
at the lower strike plate to accept the latch bolt.
5. Drill pilot holes for the plate mounting screws.
6. Secure the strike plates with (2) 3/4" screws.
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