Instruction manual

7
PREPARATION:
1. Lay out operator and trolley tracks on ground in front of door with door operator motor facing away from door.
2. Install track spacers evenly to track assembly.
3. Install 3/8” take-up bolt to carriage using two 3/8” hex nuts and lock washer provided.
4. Slide trolley carriage through end of tracks towards operator with take-up bolt facing operator.
5. Install front idler assembly to the second set of holes end of trolley tracks.
6. Bolt rail assembly to operator frame using four 3/8” x ¾” bolts and 3/8” serrated hex nuts provided.
7. Attach one end of drive chain to carriage using connecting link provided. Run chain around front idler, over the
track spacers, around drive sprocket and connect to take-up-bolt using connecting link provided. Adjust take-up-
bolt so that chain sags approximately 3” (7.5 cm) at midpoint of tracks. Remove links from drive chain if necessary
to make proper adjustment.