Backcheck
BC
Sweep
L
S
Latch
L
S
= 8 Turns As Shipped
1600 Series
Adjustments Page
80-9316-2502-020 (12-02)
Spring Power Adjust
1601 (BF) only
PA
EXTERIOR
EXTERIOR
INTERIOR
INTERIOR
Regular Arm
Top Jamb
Regular Arm
Top Jamb
Regular Arm
Top Jamb
Regular Arm
Top Jamb
Parallel Arm
Parallel Arm
Parallel Arm
Parallel Arm
FULL 360°
TURNS OF
1/8”
PO
WER ADJUSTMENT
WRENCH
FULL 360°
TURNS OF
1/8”
PO
WER
ADJUSTMENT
WRENCH
1601BF
1601
DOOR
TYPE
OF
INST.
*
34”
(0.85M)
36”
(0.90M)
40”
(1.00M)
44”
(1.10M)
48”
(1.20M)
1
1
2
3
3
2
2
3
4
5
5
6
8
8
9
12
2
4
6
9
11
3
5
7
10
13
3
5
7
10
13
5
7
10
14
16
NOT
RECOMMENDED
USE 1601
18 FULL (360°) TURNS MAXIMUM AVAILABLE
MAXIMUM DOOR SIZE
Number of Turns Required
Date
Code
or
or
7-1/2 % Stronger
7-1/2 % Weaker
(Use 1/8” Hex Wrench for this Adjustment)
(Use 1/8" Hex Wrench for these Adjustments)
Stronger
+
Weaker
-
Slower
-
Faster
+
Faster
+
Slower
-
Stronger
+
Weaker
-
BE
Size
Code
1902 Airport Road, Monroe, NC
Telephone:(800)-438-1951; Fax: (800)-338-0965
www.nortondoorcontrols.com
Door Controls
