Brookline C300 SERIES Installation Instructions

DOOR PREPARATION

Figure 1
DOOR PREPARATION
1. Fold and apply template to high edge of door at desired height from
floor. 2. Mark hole centers on door and door edge.
3. Drill 5/16" (8mm) thru-bolt holes first, then drill 2-1/8" (54mm) hole.
Figure 3

INSTALL LATCH

1. Drill 1" diameter hole for latch. Mortise for latch front. Insert latch and fasten with
two screws.
NOTE: It is important that both 1" (25.4mm) and 2-1/8" (54mm) holes be
on the same horizontal center line.

DOOR THICKNESS ADJUSTMENT

1. Locks are factory assembled with a ring for 1-3/4"
(44mm) thick door. Locks can be adjusted for
1-5/8"(44mm) to 1-7/8"(48mm) door thickness.
To Adjust For Other Door Thickness:
Remove outside lever.
2. Before installation, use door thickness gauge on
template as shown in Fig. 5, to check lock chassis
position. Center of latch retractor should align with
mark on gauge for appropriate door thickness.
If chassis is not on center, screw chassis in or out to
align with mark. Check that lever engages lever
catch before installation. If adjusting for doors
less than 1-3/4"(44mm) thickness, the split
spacer must be removed.
3. Reinstall outside lever.
(8mm)
(70mm)
(54mm)
Figure 5
C300 SERIES Grade 1 Cylindrica l Key in Lever
Install ation Inst ructions
Figure 2
HOLLOW METAL DOORS
1. Must have horizontal and vertical lock and latch support provided by door
manufacturer.
2. If 2-1/8" (54mm) hole exists, use optional an Installation a J ig
to ensure accurate drilling of 5/16" (8mm) thru-bolt holes.
Figure 4

INSTALL STRIKE

1. Align strike with latch.
2. Trace strike outline on door jamb.
3. Mortise jamb and install strike and dust box.
Split Spacer
I-C300-2013-01
How To Remove IC Lever (Fig. 6):
1. With IC core removed, use screwdriver inside lever
to depress lever latch.
2. Pull off lever.
I-C300-2013-01 Page 1