Instructions / Assembly
3. Attach a 2x4 (if necessary)
If the calculated header bracket is above the door header, attach a 2x4 between two studs to install 
the header bracket.
5. Position The Opener
6. Connect the Rail to the Header Bracket
4. Attach the Header Bracket
Place the bottom edge of the bracket on the line marked above t he highest point of travel.
Ceiling Installation
The header bracket may be mounted to the ceiling if 
there is minimal clearance above the door. If so, extend 
the centreline to the ceiling. The back edge of the 
bracket must not be further than 5” (12.7 cm) from the 
header wall.
Door header
Use lag screws (not included) to attach the 2x4.
Mark the 2 holes 
with a pencil.
1 1/4” (3 cm) Above 
Sectional Door or
7” (18 cm) Above 
One-piece Jamb Door
Highest Point of Travel
Drill two 3/16” (5 mm)
pilot holes.
Attach the header bracket with
2 lag screws provided.
Note the orientation of the header bracket. Do not mount it upside down.
Position the pulley bracket against the header bracket.
Position the opener on the floor with packaging 
material as protective base.
Align the bracket holes and join with a clevis pin 
and hitch pin as shown.
INSTALL THE HEADER BRACKET
1515 1616
D2 (X1)
D1 (X1)
D3 (x2)
5” (12.7 cm)
INSTALL THE HEADER BRACKET










