Installation Instructions
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 ofthe opener.
1. Inserta 1/4"-20 x 1-3/4" bolt into the cover protection bolthole on the back end of the rail as
shown.Tighten securelywith a 1/4"-20 locknut. DO NOT overtighten.
2. Remove the bolts from the top ofthe motor unit.
3. Use the carton to support the frontend ofthe rail.
4. Place the “U” bracket,flatside down onto the motor unit and align the bracketholes with the
bolt holes.
5. Fasten the “U” bracket with the previouslyremoved bolts; DO NOT use any power tools. The
use ofpower tools may permanentlydamage the garage door opener.
6. Attach chain spreader to the motor unit with two screws.
“U” Bracket
Hex Screws
8-32x7/16
Cover
Protection
Bolt Hole
Bolt
Lock Nut
Bolts (Mounted in the
garage door opener)
Chain
Spreader
Bolt
1/4"-20x1-3/4"
Lock Nut
1/4"-20
HARDWARE