Page 6
SECTION 2
INSTALLING CLOSER ASSEMBLY
1. At this point of the installation, the mounting channel
assembly should be attached securely to door frame. All
electrical connections at the unit should be hooked up, but
UNPOWERED
.
2.
CLOSING FORCE ADJUSTMENT:
(See
Fig. 4
). Turn spring
adjustment clockwise the required number of turns to match
door width as shown in
Tables 1 & 2
. Maximum adjustments:
14 turns clockwise.
TO INCREASE
SPRING POWER
TO DECREASE
SPRING POWER
Fig. 4
C.W.
Verify that closing force is not more than 15 lbs when measured
one inch from door edge to comply with ANSI A156.19.
TABLE 1
INTERIOR DOOR
MAXIMUM
DOOR WIDTH
NUMBER
OF TURNS
36”
0
48”
2 TURNS C.W.
54”
7 TURNS C.W.
TABLE 2
EXTERIOR DOOR
MAXIMUM
DOOR WIDTH
NUMBER
OF TURNS
36”
2 TURNS C.W.
42”
7 TURNS C.W.
NOTE: Do not allow any form of lubricant to come into contact with any part of clutch assembly.
NOTE: Electrical components not shown.
3. Mount closer to mounting channel assembly. Closer and clutch gear coupler’s should mesh loosely as shown in
Fig. 5
above. Line
closer mounting holes up with holes in stand-offs attached to mounting channel. Fasten with (4) 1/4 - 20 x 2
B\zn
”machine screws
provided and tighten securely.
4.
It is extremely important that closer is properly aligned with motor/clutch assembly.
CLUTCH
Fig. 5