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50 Series
Parts
C o
v e
r
Optional
D
E
F
51(BF) Only
Spring Power Adjust
(If Necessary)
Backcheck
Caution:
Don't completely
close valve
1
3
B
A
G
Stronger
+
P A
Weaker
-
Stronger
+
B C
Weaker
-
Non Hold Open Door Closers — Regular Arm
1-1/4
(32)
3/4
(19)
L
S
Sweep
S
L
Faster
— 2 —
6
A
(152)
9-1/16
(230)
Right Hand Shown
Dimension "A"
Opening
To 100°
101° to 120°
*
121° to 180°
Door/Wall/Hardware/Jamb
*
conditions permitting
4
Latch
Faster
Slower
L
+
-
Slower
+
-
Pinion Cap
6
or Optional Cover
Screw pinion cap onto pinion shaft
by hand or with a Phillips screw
driver - DO NOT OVER TIGTHEN.
80-9350-2502-010 (12-09)
3 2
1-3/4
(44)
7/8
(22)
7
(178)
Inches
(mm)
6
(152)
3-1/2
(89)
5
S
7
or
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