2.1 Position operator as showed below. Rest operator head on cardboard or
protective surface on floor so operator does not get scratched. Chassis side of
operator facing up.
2.2 Position rail onto operator chassis by lining up rail sprocket, Make sure shaft
insert into rail sprocket. Press rail down firmly onto shaft and operator chassis.
DO NOT HAMMER.
2.3 Remove the four bolts(H4) from the chassis of the garage door operator.
2.4 Position 2 “U” rail clips over rail and onto chassis. Insert 4 hex bolts (H4) through
rail clips holes and into chassis holes. and tighten hex bolts firmly to hold rail to
the garage door operator head.