Chamberlain 547445 Manuel d'utilisateur télécharger pdf (Page 26)

INSTALLATION STEP 13

Connect Door Arm to the Trolley

Follow instructions which apply to your door type as

illustrated below and on the following page.

SECTIONAL DOORS ONLY

• Make sure garage door is fully closed. Pull the

emergency release handle to disconnect the outer

trolley from the inner trolley. Slide the outer trolley back

(away from the pulley) about 8" (20 cm) (Figures 1, 2

and 3).

• Figure 1:

- Fasten straight door arm section to outer trolley with

the 5/16"x1" clevis pin. Secure the connection with a

ring fastener.

- Fasten curved section to the door bracket in the

same way, using the 5/16"x1-1/4" clevis pin.

IMPORTANT: The groove on the straight door arm MUST

face away from the curved door arm (Figure 4).

• Figure 2:

- Bring arm sections together. Find two pairs of holes

that line up and join sections. Select holes as far

apart as possible to increase door arm rigidity.

• Figure 3, Hole alignment alternative:

- If holes in curved arm are above holes in straight

arm, disconnect straight arm. Cut about 6" (15 cm)

from the solid end. Reconnect to trolley with cut end

down as shown.

- Bring arm sections together.

- Find two pairs of holes that line up and join with

bolts, lock washers and nuts.

• Pull the emergency release handle toward the opener at

a 45° angle so that the trolley release arm is horizontal.

Proceed to Adjustment Step 1, page 28. Trolley will

re-engage automatically when opener is operated.

Nut 5/16"-18

Lock Washer 5/16"

Clevis Pin 5/16"x1-1/4"

(Door Bracket)

Clevis Pin 5/16"x1"

(Trolley)

Hex Bolt

5/16"-18x7/8"

Ring Fastener

HARDWARE SHOWN ACTUAL SIZE

Pulley

8" (20 cm) min.

Pulley

Ring

Fastener

Inner

Trolley

Door

Bracket

Clevis Pin

5/16"x1-1/4"

Clevis Pin

5/16"x1"

Outer Trolley

Emergency

Release Handle

Straight Door Arm

Curved Door Arm

8" (20 cm) min.

Figure 1

Figure 2

Pulley

Figure 3

Figure 4

Lock

Washers

5/16"

Lock

Washers

5/16"

Nuts

5/16"-18

Nuts

5/16"-18

Straight

Door Arm

(Groove

facing out)

Straight

Door Arm

Curved

Door

Arm

Curved

Door

Arm

Bolts 5/16"-18x7/8"

Door Bracket

Cut this end

CORRECT INCORRECT

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 87 88

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Chamberlain 547445 Manuel d'utilisateur Page 26

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