Screw pinion cap onto
pinion shaft by hand or
with a Phillips screw driver -
DO NOT OVER TIGHTEN.
13
14
12
80-9350-2502-010 (12-09)
50 Series
Non Hold Open Door Closers —
Parallel Arm
11
Latch
Sweep
Backcheck
6
8
7
9
10
Spring Power Adjust
51(BF) only
(If necessary)
PA
BC
S
L
S
L
— 4 —
or
(2)
Assemble Arm
Arm Screw
Open Valves
Caution:
Don't completely
close valve
Pinion Cap
or Optional Cover
L
Y
S
Z
R
L
Y
S
Z
R
Left Hand
Door
Right Hand
Door
or
B
A
Flat
Flat
1-1/2
(38)
Caution:
Do Not
Back
Valves Out
Completely
Stronger
+
Weaker
-
Slower
-
Faster
+
Stronger
+
Weaker
-
Slower
-
Faster
+
