Instructions / Assembly

7
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"-20 x 1-3/4" boltinto 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 boltand locknutfrom 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 unit and align the bracket holes with the
bolt holes.
5. Fasten the “U” bracketwith the previously removed boltand lock nut;DO NOTuse any power
tools. The use ofpower tools maypermanentlydamage the garage door opener.
6. Attach chain spreader to the motor unitwith two screws.
“U” Bracket
Hex Screws
8-32x7/16
Cover
Protection
Bolt Hole
Bolt
Lock Nut
Chain
Spreader
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
HARDWARE
Bolt (Mounted in the
garage door opener)
Lock Nut (Mounted in the
garage door opener)