ASSEMBLY STEP 2
Fasten the Rail to the Motor Unit
• | Insert a |
| hole on the back end of the rail as shown. Tighten |
| securely with a |
• | Remove the two bolts from the top of the motor unit. |
• | Place the “U” bracket, flat side down onto the motor |
| unit and align the bracket hole with the bolt holes. |
| Fasten with the previously removed bolts. |
• | Align the rail assembly with the top of the motor unit. |
CAUTION
To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener.
Hex Screws 
Chain
Slide the rail end onto the “U” bracket, all the way to |
the stops that protrude on the top and sides of the |
bracket. |
• Attach spreader to the motor unit with two screws. |
HARDWARE SHOWN ACTUAL SIZE
Bolt 
"U" Bracket
Bolt
Cover
Protection
Bolt Hole
Spreader
Motor Unit Sprocket
| Lock Nut |
Bolt |
ASSEMBLY STEP 3
Install the Idler Pulley
•Lay the chain/cable beside the rail, as shown. Grasp the end of the cable 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
SLIDE RAIL TO STOPS
ON TOP AND SIDES
OF BRACKET
Lock Nut
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" |
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