LiftMaster 8587WL Owners Manual - English French Spanish - Page 7

Assembly

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Assembly 1 Attach the Rail to the Garage Door Opener To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener. NOTE: ONLY use the bolts removed from the garage door opener. Place the garage door opener on the packing material to prevent scratching. 1. Remove bolt and lock nut from the top of the garage door opener. 2. Align the rail and the styrofoam over the sprocket. Cut the tape from the rail, chain, and styrofoam. 3. Fasten the rail with the previously removed washered bolt and lock nut. 4. Position the chain around the garage door opener sprocket. 5. Attach the chain spreader to the garage door opener with screws. 6. Guide the chain around the selected groove in the chain spreader, to engage either the 8- tooth or 6-tooth sprocket. NOTE: The 6-tooth sprocket is for use with Carriage House Doors and the 8-tooth sprocket is for use with regular doors. HARDWARE Washered Bolt 5/16"-18x1/2" (Mounted in the garage door opener) Lock Nut (Mounted in the garage door opener) Washered Bolt 5/16"-18x1/2" Lock Nut Hex Screws 8-32x1" Washers Models 8587W and 8587WLB only Chain Spreader 6-Tooth Sprocket Chain Spreader 8-Tooth Sprocket Motor Unit Mounting Plate Motor Unit Mounting Plate 7

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7
Assembly
1 Attach the Rail to the Garage Door Opener
To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in
the top of the opener.
NOTE:
ONLY use the bolts removed from the garage door opener. Place the garage door opener on
the packing material to prevent scratching.
1.
Remove bolt and lock nut from the top of the garage door opener.
2.
Align the rail and the styrofoam over the sprocket. Cut the tape from the rail, chain, and
styrofoam.
3.
Fasten the rail with the previously removed washered bolt and lock nut.
4.
Position the chain around the garage door opener sprocket.
5.
Attach the chain spreader to the garage door opener with screws.
6.
Guide the chain around the selected groove in the chain spreader, to engage either the 8-
tooth or 6-tooth sprocket.
NOTE:
The 6-tooth sprocket is for use with Carriage House Doors and the 8-tooth sprocket
is for use with regular doors.
Washered Bolt
5/16"-18x1/2"
(Mounted in the garage
door opener)
HARDWARE
Lock Nut
(Mounted in the
garage door opener)
Lock
Nut
Washered Bolt
5/16"-18x1/2"
Hex Screws 8-32x1"
Washers
Chain Spreader
6-Tooth
Sprocket
8-Tooth
Sprocket
Chain Spreader
Models 8587W and 8587WLB only
Motor Unit Mounting Plate
Motor Unit Mounting Plate