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Idiomas disponibles
Idiomas disponibles
Left Hand Door
Diagram for Option C
1-11/16
(43)
Door
Stop
A
2-5/16
(59)
2-1/4
(25)
(57)
B
(127)
Inches (mm)
Left hand door shown, reverse measurements for right hand door application.
Door Opening
Dim. A
Dim. B
To 90°
11½ (292) 9½ (241)
91° to 120°
10 (254)
8 (203)
121° to 180°
7⅞ (200) 6½ (165)
Do not turn speed adjusting valve more than two (2) full turns counter-cockwise from its preset in order not to back the valves out of closer or a leak will result.
Power Adjustment Chart
Full turns of Power
Door
Adjusting screw
Closer
Size
QDC112
QDC112 BF
BF
-
- 14
- 12
1
- 6
2
- 3
- 8
0 (Preset)
0 (Preset)
3
+ 3
+ 4
4
-
+7
5
6
+12
-
Option C • Parallel Arm Installation
1. Before installation, turn Back Check selector valve ALL THE WAY IN (CLOCKWISE).
1-11/16
2. Using the measurement from diagram C, mark screw hole center locations. Mark four
(27)
11/16
(4) locations on door to mount door closer and five (5) locations on inside frame to mount
(17)
parallel bracket.
3. Drill pilot holes in door and frame. Drill 7/32" (5.5mm) diameter holes for wood screws
odrill and tap #7 (.201" diameter) for 1/4-20 machine screws.
4. Install parallel bracket to frame using spacer block (k) and screws (c), (e) or (d), (f). (see
1-3/4
5/16
figure 2).
(44)
(8)
5. Mount closer onto door using screws (a) or (b). Power adjusting shaft must be
Centerline
positioned away from hinge side.
6. Pre-load closer to 30°, as shown in Figure 1. Attach main arm to closer, with
1
screw/washer (h).
(25)
7. Install hold-open arm to bracket. Identify direction of hold-open nut according to
1
mounting using screws (g).
8. With door closed, adjust length of hold-open arm so that the tip of the main arm is
Power
approximately 1" (25mm) away from being parallel with door, when connected to the
Adjusting
5
hold-open arm, secure with screw (i).
Shaft
9. Adjust door's closing speed and power; see this page for reference.
10. Install cover using small screws (j).
Figure 1
Left Hand Door
30°
Door Closer Adjustement
Applicable
Door Leaf Width
Applicable
Door Leaf
Exterior
Interior
(Swing Out)
5 lb-f
-
33~56 lbs
28" (0.71m)
32" (0.81m)
(15~30 kg)
56~99 lbs
36" (0.91m)
32" (0.81m)
(30~45 kg)
99~143 lbs
42" (1.07m)
36" (0.91m)
(45~55 kg)
33~56 lbs
48" (1.22m)
42" (1.07m)
(15~30 kg)
33~56 lbs
48" (1.22m)
54" (1.37m)
(15~30 kg)
264~330 lbs
58" (1.47m)
54" (1.37m)
(120~150 kg)
Nut Up
Right Hand Door
1
(25)
Main Arm
Weight
-
L
: Latch Speed Valve
S
: Sweep Speed Valve
: Delay Speed Valve
DA
: Back Speed Valve
BC
Screw Pack (Door Closer)
a
Machine x 4
b
Wood x 4
Screw Pack (Hold-Open Arm)
c
Machine x 4
d
Wood x 4
Spacer
Block
(k)
Right Hand Door
Bracket
30°
Nut
F
S
F
L
S
F
S
S
-
DA
+
BC
h
x 1
j
x 2
g
h
x 2
x 1
k
i
x 1
x 1
e
Machine x 1
f
Wood x 1
Figure 2
(c) or (d)
(e) or (f)
(g)
Hold-Open Arm
Then
Back Check
Selector Valve
-
+
Spring Power
Adjustment
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