6
C. DRILLING HOLES IN THE DOOR
CAUTION: Positioning and drilling must be done straight to ensure trouble
free operation of the model 7106 lockset. Improper drilling may result in
excessive force being exerted on the lock which may result in the premature
wearing of its mechanical parts.
Perform Step 1 first or it will be impossible to drill the four
1
⁄4" (6 mm)
holes.
C-1 Use a
1
⁄4" (6 mm) drill bit to drill the four holes for the thru-bolts (See A in
Figure 3-1). To prevent splintering the door or breaking the drill bit, begin
drilling at a slow speed and increase the speed gradually until the tip of
the drill bit emerges from the other side of the door. Repeat this proce-
dure from the opposite side of the door.
C-2 Use a hole saw with a pilot bit to make the 1
3
⁄8" (35 mm) hole (B). Apply
pressure evenly until the circular blade cuts
the first side of the door and the tip of the
pilot bit emerges through the other side, then
stop. Drill from the other side until the 1
3
⁄8"
(35 mm) hole (B) is completed.
C-3 Repeat Step C-2 for the
3
⁄4" (19 mm) hole
(See C in Figure 3-1).
C-4 Drill the four
1
⁄8" (3 mm) holes only
3
⁄4" (19
mm) deep (See D in Figure 3-1).
D. ADJUSTING THE LOCK
The lock has been pre-assembled to accommodate
doors up to 2
1
⁄4" (57 mm) thick. If your door is
1
3
⁄8" to 2" (35 mm to 51 mm) thick, you must
shorten both tailpieces X and Y (See Figure 4-1)
and shorten the (A) Two thru-bolts used to secure
the (B) combination change assembly.
D-1 Shorten the combination change tailpiece X
according to your door thickness. Tailpiece X
has been pre-marked for various door
thicknesses for accuracy and convenience.
a) After determining the break line, hold the
tailpiece firmly with a pair of pliers on the lock
side of the tailpiece, just beside the desired
break line.
b) With a second pair of pliers, grip the tail-
piece at the other side of the line and bend it
up and down until it breaks (See Figure 4-2).
4-1
4-2
1st
2nd
1
3
⁄8" (35 mm)
D
A
B
C
A
AA
A
D
3-1
3
⁄4" (19 mm)
1
⁄4" (6 mm)
1
⁄2" -
5
⁄8"
(13 mm - 16 mm)
X
Y