Chamberlain 8550W - Page 8


!SSEMBLY
 !TTACH THE 2AIL TO THE 'ARAGE $OOR /PENER
-/$%,3 7 7, 7," 7," 7 7,%$ 7,%$
 !.$
4O AVOID POSSIBLE 3%2)/53 ).*529 TO FINGER FROM MOVING GARAGE DOOR OPENER
z !,7!93 KEEP HAND CLEAR OF SPROCKET WHILE OPERATING OPENER
z 3ECURELY ATTACH SPROCKET COVER "%&/2% OPERATING
4O AVOID 3%2)/53 DAMAGE TO GARAGE DOOR OPENER USE /.,9 THOSE BOLTSFASTENERS MOUNTED IN THE
TOP OF THE OPENER
./4% /.,9 USE THE BOLTS REMOVED FROM THE GARAGE DOOR OPENER 0LACE THE GARAGE DOOR OPENER ON
THE PACKING MATERIAL TO PREVENT SCRATCHING

-ODELS 7 7, 7," 7," 7,%$ 7,%$  AND
 2EMOVE THE TWO BOLTS FROM THE TOP OF THE GARAGE DOOR OPENER
-ODEL 7 2EMOVE BOLT AND LOCK NUT FROM THE TOP OF THE GARAGE DOOR OPENER
 !LIGN THE RAIL AND THE STYROFOAM OVER THE SPROCKET #UT THE TAPE FROM THE RAIL BELT AND
STYROFOAM

-ODELS 7 7, 7," 7," 7,%$ 7,%$  AND
 &ASTEN THE RAIL WITH THE PREVIOUSLY REMOVED BOLTS
-ODEL 7 &ASTEN THE RAIL WITH THE PREVIOUSLY REMOVED WASHERED BOLT AND LOCK NUT
 0OSITION THE BELT AROUND THE GARAGE DOOR OPENER SPROCKET
 !TTACH THE SPROCKET COVER OVER THE GARAGE DOOR OPENER SPROCKET AND ATTACH WITH HEX SCREWS
 !LIGN THE RAIL AND THE STYROFOAM OVER THE SPROCKET #UT THE TAPE FROM THE RAIL BELT AND
STYROFOAM
 0OSITION THE BELT AROUND THE GARAGE DOOR OPENER SPROCKET
 !TTACH THE SPROCKET COVER OVER THE GARAGE DOOR OPENER SPROCKET AND ATTACH WITH HEX SCREWS
Models 8550W, 8550WL, 8550WLB, 8550WLB-267, WLED, and WLED-267
Model 8557W
Washered Bolt
5/16"-18x1/2"
Hex Screw
#8x3/8"
Lock Nut
Hex Screw
#8x3/8"
(Packed with the
sprocket cover)
Lock Nut
(Mounted in the
garage door opener)
Model 8557W (1)
Washered Bolt
5/16"-18x1/2"
Hex Screw
#8x3/8"
HARDWARE
Washered Bolt 5/16"-18x1/2"
(Mounted in the garage door opener)
Models 8550W, 8550WL, 8550WLB,
8550WLB-267, WLED, and WLED-267 (2)
Model 8557W (1)