Assembly - LiftMaster ATSW Manual Del Usuario

Assembly

1 Attach the Rail to the Operator
To avoid SERIOUS damage to door operator, use ONLY those bolts/fasteners mounted in the top of the
operator.
NOTE: ONLY use the bolts removed from the door operator. Place the door operator on the packing material to
prevent scratching.
1. Remove bolt and lock nut from the top of the operator.
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 operator sprocket.
5. Attach the chain spreader to the operator with screws.
6. Guide the chain around the chain spreader, to engage the sprocket.
Washered Bolt
5/16"-18x1/2"
(Mounted in the garage
door opener)
7
HARDWARE
Lock Nut
(Mounted in the
garage door opener)
Washered Bolt
5/16"-18x1/2"
Hex Screws 8-32x7/16"
Lock
Nut
Chain Spreader