LiftMaster 8010 8010 Owner s Manual - Page 15

Connect the Door Arm to the Trolley, IMPORTANT

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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. HARDWARE Clevis Pin 5/16"x1-1/4" Clevis Pin 5/16"x1" Hex Bolt 1/4"-20x3/4" Ring Fastener Lock Nut 1/4"-20 CORRECT Straight Door Arm (Groove facing out) Curved Door Arm INCORRECT Straight Door Arm Curved Door Arm Ring Fastener Lock Nut 1/4"-20 Clevis Pin 5/16"x1" Hex Bolt 1/4"-20x3/4" Clevis Pin 1/4"x1-1/4" 15

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15
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.
HARDWARE
Clevis Pin 5/16"x1"
Clevis Pin 5/16"x1-1/4"
Ring Fastener
Hex Bolt 1/4"-20x3/4"
Lock Nut 1/4"-20
Straight
Door Arm
Curved
Door
Arm
(Groove
facing
out)
CORRECT
Straight
Door
Arm
Curved
Door
Arm
INCORRECT
Lock Nut
1/4"-20
Hex Bolt 1/4"-20x3/4"
Clevis Pin 1/4"x1-1/4"
Ring Fastener
Clevis Pin
5/16"x1"