Fig. 1-3No. 10-24 x 1/2” Hex Head Screws5/16” x 1/2” Hex Head Screws“D” -Shaft and Hole3. Place power head and channel on clean, flat surface.4. Slide drive end of channel down over “D”-shaft on top ofpower head (Fig. 1-2).• Support header end of channel level with power head.• Slide carriage to align “D”-shaft with “D”-hole in sprocket.• Slide channel down “D”-shaft flush with power head.5. Fasten channel to power head .• Align mounting holes in front and rear of power head frame.• Insert and securely tighten the four (4) No. 10 x 1/2” hexhead screws [69].NOTE: Chain inner-slide or belt bullet should remain atmid-travel when assembling to power head to provide propertravel when setting limits.1. Attach emergency release knob cord (Fig. 1-1).• Tie overhand knot in end of cord.• Thread cord through knob so knot is inside knob.• Thread cord through hole in carriage lever.• Tie overhand knot in other end of cord.Do Not cut cord until after power head is mounted.2. Attach emergency release tag (Fig. 1-1).• Thread wire through hole in carriage lever.• Wrap wire around itself, tie securely.PLEASE NOTE THE ASSEMBLY PROCEDURESARE DIFFERENT FOR RAIL AND CHANNEL. BESURE TO FOLLOW THE APPLICABLE STEPS.Fig. 1-2Fig. 1-1Do Not attempt to run power head or to set limits untiloperator is fully assembled and attached to the door.“D” -Shaft and HoleHex Head ScrewsCarriage StopCAUTIONDo Not attempt to run power head or to set limits untiloperator is fully assembled and attached to the door.Toward Door Toward Power HeadCarriageNo. 10 x 1/2” Hex Head Screw5/16” x 1/2” Hex Head Washer ScrewEmergencyReleaseTagEmergencyReleaseCordEmergencyReleaseKnobSprocket Saddle1 ...OPERATOR ASSEMBLY FOR HELP-1.800.354.3643 OR GENIECOMPANY.COM10CHANNEL & POWER HEAD ASSEMBLYRAIL & POWER HEAD ASSEMBLY3. Place power head and rail on clean, flat surface.4. Slide drive end of rail down over “D”-shaft on topof power head (Fig. 1-3).• Support header end of rail level with power head.• Slide carriage enough to align “D”-shaft with “D”-holein sprocket.• Slide rail down “D”-shaft flush with power head.drags on the railCAUTIONOPEN BLUE PARTS BAGScrews for attaching light cover are included in thisbag. Please set aside for use later.[69][112][69][69][112]