LCN 1250 Serie Instrucciones De Instalación página 2

Mounting Hole Dimensions
L Left Hand (LH) shown throughout instructions. Right Hand (RH) opposite.
1 Determine the degree of door opening required and find
dimension "A" on the chart below.
L Opening angle of 180° is required to meet ADA.
A
Opening
To 100°
100° to 120°
Closer 120° to 180°
B
Opening
To 100°
100° to 120°
Shoe 120° to 180°
2 Measure from center line of hinge/pivot and stick
template on door. Mark drilling holes.
L See Mounting Dimensions above as needed.
1250 Series
Pull Side - Regular Arm
LH RH
Arm Position Arm Position
Top Door Edge
3 Remove template, and drill holes where marked with a
1/8" drill bit for SRT screws.
L SRT screws are used on metal doors.
Wood screws are used on wood doors.
4 Measure and determine your door's width. Using a hex
wrench, adjust the closer spring power. Use the table
below to determine number of turns required.
Turn counterclockwise for "-"; turn clockwise for "+"
L These turns are recommended, but may change due to
door weight and environmental conditions.
Door Width
ADA Setting
32" - 815 mm
36" - 915 mm
42" - 1050 mm
48" - 1220 mm
5 Install closer onto door and shoe onto frame using
screws provided.
L Speed regulation valve goes toward the hinge.
1 C\v"
M\,"
1 Z\v"
C\v"
Measurement from Door Edge
7"
6"
3Z\x"
Measurement from Door Edge
13"
12"
9Z\x"
B
Center Line of
© Allegion 2015
Printed in U.S.A. Hinge/Pivot
71380 Rev. 01/15-a
Door
Frame
A
Number of Turns
−
-12
-6
0
+6
+13
Pull Side Mount
Frame
B
Door
A
9 Z\zn"
6 Install main arm to closer.
a. Place main arm onto the top closer shaft.
b. Install and tighten main arm screw.
L See page 5 for Optional Hold Open Arm installation and
adjustment.
7 Route the rod into the forearm.
8 Preload the forearm to 90°. While the arm is still
preloaded, install and tighten the arm screw.
9 Adjust the closer, if necessary. See page 4 for closer
adjustment instructions.
+
10 Screw cap onto shaft and install cover (optional).
2
Center Line of
Hinge/Pivot
90°