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)