Chamberlain Series OCG Installation Manual page 14

INSTALL DOOR ARMS:
OPEN YELLOW PARTS BAG
1. Attach the arms.
• Fasten curved door arm to door bracket using
clevis pin (24) and cotter pin (25) (Fig. 2-10).
• Straight arm to carriage using clevis pin (24) and
14
cotter pin (25) (Fig. 2-10).
[24]
2. Connecting the arms.
• Slide carriage back and forth to adjust arm length.
– Overlap arms as much as possible.
– Make overall length as short as possible.
• Fasten arms together using 2 bolts (27) and
nuts (28) (Fig. 2-10). (Place the bolts as far
apart as possible.)
[ 27 ]
3/8"-16 x 7/8"
NOTE: Whenever possible, it is recommended that
the door arms assembly be angled away from the
door to prevent putting downward force on the door
and door bracket.
Additionally, where possible, the straight door arm
may be eliminated.
INSTALL DOOR ARMS:
OPEN YELLOW PARTS BAG
1. Attach the arms.
• Straight arm to door bracket using clevis pin (24)
& cotter pin (25) (Fig. 2-12).
• Curved arm to carriage using clevis pin (24)
& cotter pin (25) (Fig. 2-12).
[24]
2. Connecting the arms.
• Slide carriage back and forth to adjust arm length.
– Overlap arms as little as possible
– Make overall length as long as possible
• Fasten arms together using 2 bolts (27) and
nuts (28) (Fig. 2-12).
[ 27 ]
3/8"-16 x 7/8"
Sectional doors
[ 25 ]
(Fig. 2-11).
1-piece doors
[ 25 ]
.
clevis & cotter pins
short as possible
[ 28 ]
FIG. 2-10 Attaching door arms (sectional doors).
3/8"-16
door arms
FIG. 2-11 Door arms at angle to door.
FIG. 2-12 Attaching door arms (one-piece doors).
.
REMINDER: If you have no other access to
your garage from the outside other than your
garage door, please consider a GER-2
emergency release kit shown on page A in
center of manual
[ 28 ]
Call Customer Service at 1.800.929.3667, or
visit www.overheaddoor.com
3/8"-16
angle
clevis &
cotter
pins
long as possible
.
.
clevis &
cotter
pins
door