User's Manual

6
Assembly
STEP 2 Fasten the rail to the motor unit
To avoid SERIOUS damage to garage door opener,use ONLY those bolts/fasteners mounted in the
top of the opener.
1. Inserta 1/4"-20x1-3/4" bolt into the cover protection bolthole on the back end of the rail as
shown.Tighten securely with a 1/4"-20 locknut.DO NOT overtighten.
2. Remove the bolt and locknut from the top ofthe motor unit.
3. Use the carton to supportthe front end of the rail.
4. Place the “U” bracket, flat side down onto the motor unitand align the bracket holes with the bolt
holes.
5. Fasten the “U” bracket with the previouslyremoved boltand lock nut;DO NOT use any power
tools.The use of power tools may permanentlydamage the garage door opener.
6. Attach chain spreader to the motor unitwith two screws.
HARDWARE
Bolt 1/4"-20x1-3/4"
Lock Nut 1/4"-20
“U” Bracket
Bolt (Mounted in the
garage door opener)
Chain
Spreader
Lock Nut (Mounted in the
garage door opener)
Hex Screws 8-32x7/16
Cover
Protection
Bolt Hole
Bolt 1/4"-20x1-3/4"
Lock Nut 1/4"-20