Chamberlain 3453135556 manual Open Yellow Parts BAG, Attach the arms, Connecting the arms

INSTALL DOOR ARMS: Sectional doors

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).

14	• Straight arm to carriage using clevis pin (24) and
	cotter pin (25) (Fig. 2-10).

[24] [25]

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][28]

3/8"-16 x 7/8" 3/8"-16

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. (Fig. 2-11).

Additionally, where possible, the straight door arm may be eliminated.

INSTALL DOOR ARMS: 1-piece doors

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] [25]

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][28]

3/8"-16 x 7/8" 3/8"-16

clevis & cotter pins

short as possible

clevis &

cotter

pins

FIG. 2-10 Attaching door arms (sectional doors).

angle

door arms

door

FIG. 2-11 Door arms at angle to door.

clevis &

cotter

pins

long as possible

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.

Call Customer Service at 1.800.929.3667, or visit www.overheaddoor.com.