Chamberlain 8550W - Page 10


!SSEMBLY
 !TTACH THE 2AIL TO THE 'ARAGE $OOR /PENER
-/$%,3 7 7, !.$ 7,"
4O AVOID 3%2)/53 DAMAGE TO GARAGE DOOR OPENER USE /.,9 THOSE BOLTSFASTENERS MOUNTED IN THE
TOP OF THE OPENER
./4% /.,9 USE THE BOLTS REMOVED FROM THE GARAGE DOOR OPENER 0LACE THE GARAGE DOOR OPENER ON
THE PACKING MATERIAL TO PREVENT SCRATCHING
 2EMOVE BOLT AND LOCK NUT FROM THE TOP OF THE GARAGE DOOR OPENER
 !LIGN THE RAIL AND THE STYROFOAM OVER THE SPROCKET #UT THE TAPE FROM THE RAIL CHAIN AND
STYROFOAM
 &ASTEN THE RAIL WITH THE PREVIOUSLY REMOVED WASHERED BOLT AND LOCK NUT
 0OSITION THE CHAIN AROUND THE GARAGE DOOR OPENER SPROCKET
 !TTACH THE CHAIN SPREADER TO THE GARAGE DOOR OPENER WITH SCREWS

-ODELS 7 AND 7, /NLY 'UIDE THE CHAIN AROUND THE SELECTED GROOVE IN THE CHAIN
SPREADER TO ENGAGE EITHER THE TOOTH OR TOOTH SPROCKET
./4% 4HE TOOTH SPROCKET IS FOR USE WITH #ARRIAGE (OUSE $OORS AND THE 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 Spreader6-Tooth
Sprocket
8-Tooth
Sprocket
Chain Spreader
Models 8587W and 8587WLB only
Motor Unit Mounting Plate Motor Unit Mounting Plate