ASSEMBLY STEP 2
Fasten the Rail to the Motor Unit
• Insert a |
cover protection bolt hole on the back end of the rail as |
shown. Install lower spacer and washer then tighten |
securely with a |
To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener.
• | Remove the bolt and lock nut from the top of the motor |
| unit. |
• | Attach spreader to the motor unit with two screws. |
• | Place the “U” bracket, flat side down onto the bolt |
| mounted on the motor unit and align the bracket hole |
| with the bolt holes. Fasten with the previously removed |
| bolt and lock nut. |
• | Align the rail assembly with the top of the motor unit. |
| Slide the rail end onto the “U” bracket, all the way to the |
| stops that protrude on the top and sides of the bracket. |
HARDWARE SHOWN ACTUAL SIZE
Washer 5/8" | Lock Nut | Spacer |
Bolt
Bolt
Washer
Spacer
Cover
Protection
Bolt Hole 
Spacer
Hex Screws 
| Chain |
Bolt | Spreader |
Lock Nut |
|
"U" Bracket | Motor Unit |
Sprocket |
| SLIDE RAIL TO STOPS |
Washer | ON TOP AND SIDES |
OF BRACKET | |
Lock Nut |
|
ASSEMBLY STEP 3
Install the Idler Pulley
•Lay the chain/cable beside the rail, as shown. Grasp the end with the cable loop and pass approximately 12"
(30 cm) of cable through the window. Allow it to hang until Assembly Step 5.
•Remove the tape from the idler pulley. The inside center should be
•Place the idler pulley into the window as shown.
•Insert the idler bolt from the top through the rail and pulley. Tighten with a 3/8" lock washer and nut underneath the rail until the lock washer is compressed.
•Rotate the pulley to be sure it spins freely.
•Insert a
Chain and | Bolt |
| |
Pulley | Rail | ||
Cable | |||
|
| ||
|
| Nut | |
| Washer |
| |
Idler | Screwdriver Trolley |
| |
Bolt |
|
|
Bolt
Trolley
Stop Hole 
| Grease |
| Inside Pulley |
Lock | Idler |
Washer | Pulley |
3/8" | Nut 3/8" |
| |
| Cable Link |
Lock
Idler Nut
Pulley
HARDWARE SHOWN ACTUAL SIZE
Idler Bolt | Bolt | Lock Nut | Nut 3/8" | Lock Washer 3/8" |
9