Instructions / Assembly
CAUTION
To avoid installation difficulties, do not run the garage door 
opener until instructed to do so. 
1. Align the rail sections [J1] on a flat surface as shown and slide the 
 tapered ends into the larger ones. Pay attention to the 2 unique rail 
 sections, the “Door End” and “Motor End” sections as shown. For the 
 door end section, ensure the square hole is facing upwards.
2. Slide the Trolley Assembly [J3] from the “Motor End” as shown. 
 Note the [
] icon should point towards “Door End”. 
3. Secure 2 clip washers [C3] into the “Door End” window as shown, 
 line up the holes on the clip washers and on the rail.  
4. Place the idler pulley [J2]
 into the window as shown. 
5. Insert the idler bolt [C1] from the top through the rail and pulley, 
 secure with the hitch pin [C2]. 
To prevent INJURY from pinching, keep hands and 
fingers away from the joints while assembling the rail.
4 Middle 
Sections
Motor End
Door End
To Motor
To Door
J3
C1
C3
C3
J2
C2
Square hole is 
facing upwards
Step 1 – Assemble the rail and insert the trolley 
8
ASSEMBLE THE RAIL










