LCN 1250 Serie Instrucciones De Instalación página 3

Mounting Hole Dimensions
L Left Hand (LH) shown throughout instructions. Right Hand (RH) opposite.
Center Line of
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.
Frame
A
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 Number of Turns
ADA Setting
32" - 815 mm
36" - 915 mm
42" - 1050 mm
48" - 1220 mm
5 Install closer onto frame and shoe onto door using
screws provided.
L Speed regulation valve goes toward the hinge.
Push Side Top Jamb Mount
A
Hinge/Pivot
Z\x"
Measurement from Door Edge
7 Z\x"
6"
3Z\x"
Measurement from Door Edge
13Z\x"
12"
9Z\x"
Door
RH LH
Arm Position Arm Position
71381 Rev. 01/15-a
B
−
-12
-6
0
+6
+13
9 Z\zn"
1 C\v"
B
6 Install main arm to closer.
a. Place main arm onto the bottom 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.
© Allegion 2015
Printed in U.S.A.
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).
3
C\v"
Frame
1Z\x"
Door
90°