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Installation
9 Connect the Door Arm to the Trolley
IMPORTANT: The groove on the straight door arm MUST face away from the curved door arm.
1. Close the door. Disconnect the trolley by pulling the emergency release handle.
2. Attach the straight door arm to the outer trolley using the clevis pin. Secure with the ring
fastener.
3. Attach the curved door arm to the door bracket using the clevis pin. Secure with the ring
fastener.
4. 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 and attach using the bolts and nuts.
5. Pull the emergency release handle toward the garage door opener until the trolley release
arm is horizontal. The trolley will re-engage automatically when the garage door opener is
activated.
Clevis Pin 5/16"x1-1/4"
Ring Fastener
HARDWARE
Clevis Pin 5/16"x1"
Hex Bolt 1/4"-20x3/4"
Lock Nut 1/4"-20
CORRECT
Straight
Door Arm
(Groove
facing
out)
Ring Fastener
Lock Nut
1/4"-20
Clevis Pin 1/4"x1-1/4"
15
INCORRECT
Straight
Door
Curved
Arm
Curved
Door
Door
Arm
Arm
Clevis Pin
5/16"x1"
Hex Bolt 1/4"-20x3/4"
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