LiftMaster 8587WL Owners Manual - English French Spanish - Page 16

Connect the Door Arm to the Trolley

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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. Slide the outer trolley back (away from the door) about 2" (5 cm). 2. Attach the straight door arm to the outer trolley using the clevis pin. Attach with the ring fastener. 3. Attach the curved door arm to the door bracket using the clevis pin. Attach with the ring fastener. 4. Align the straight door arm with the curved door arm. Select two aligned holes (as far apart as possible) and attach using the bolts, nuts and lock washers. NOTE: If the holes do not line up, reverse the straight door arm. Select two aligned holes (as far apart as possible) and attach using the bolts, nuts and lock washers. 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 Hex Bolt 5/16"-18 x 7/8" Lock Washer 5/16" Clevis Pin 5/16" x 1-1/4" Nut 5/16"-18 Ring Fastener Clevis Pin 5/16" x 1" CORRECT Straight Door Arm (Groove facing out) INCORRECT Curved Door Arm Straight Door Arm Curved Door Arm Ring Fastener Nut 5/16"-18 Lock Washer 5/16" Clevis Pin 5/16" x 1" Hex Bolt 5/16"-18 x 7/8" Clevis Pin 5/16" x 1-1/4" 16

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16
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. Slide the
outer trolley back (away from the door) about 2" (5 cm).
2.
Attach the straight door arm to the outer trolley using the clevis pin. Attach with the ring
fastener.
3.
Attach the curved door arm to the door bracket using the clevis pin. Attach with the ring
fastener.
4.
Align the straight door arm with the curved door arm. Select two aligned holes (as far apart
as possible) and attach using the bolts, nuts and lock washers.
NOTE:
If the holes do not line up, reverse the straight door arm. Select two aligned holes (as
far apart as possible) and attach using the bolts, nuts and lock washers.
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.
Straight
Door Arm
Curved
Door
Arm
(Groove
facing
out)
CORRECT
Straight
Door
Arm
Curved
Door
Arm
INCORRECT
Clevis Pin 5/16" x 1-1/4"
Ring Fastener
Clevis Pin
5/16" x 1"
Nut 5/16"-18
Lock
Washer
5/16"
Hex Bolt
5/16"-18 x 7/8"
HARDWARE
Hex Bolt 5/16"-18 x 7/8"
Nut 5/16"-18
Lock Washer 5/16"
Clevis Pin 5/16" x 1"
Clevis Pin 5/16" x 1-1/4"
Ring Fastener