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 boles end of trolley tracks.
6.
Boll rail assembly to operator frame using four 3/8" x ¾" bolts and 3/8" serrated hex nuts
provided.
TRACK SPACER
CARRIAGE ASSEMBLY
TOWARDS
OOOR
----
HEX NUT 3/8-16UNC
LOCK WASHER 3/8
TOWARDS
OPERATOR
TAKE-UP-BOLT
3/8-16UNC
HEX NUT 3/8-16UNC
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.
CONNECTING
LINK
TRACK SPACER
CARRIAGE
TAKE-UP BOLT
OPERATOR
DRIVE SPROCKET
CONNECTING
LINK