Harbor Freight Tools 47821 Garage Door Opener User Manual


 
SKU 47821 For technical questions, please call 1-800-444-3353 Page 9
The Actuator Arm (A) must be parallel to the Gate Wing and to the ground. The placement
of the Pivot T-bracket (G) should be on a Gate Wing cross member (if there is one), about
1/3 to 1/2 the distance from the ground.
8. Using a pencil, mark the outline of the Arm Mounting Bracket (F) on the Mounting
Post.
9. Mark the outline of the Pivot T-bracket (G) on the Gate Wing cross member.
10. Close the Gate Wing completely. See illustration below.
11. Pull out the Actuator Arm (A) piston.
12. Place the Arm Mounting Bracket (F) over the marked outline on the Mounting Post, and
the Pivot T-bracket over marked outline on the Gate Wing cross member.
13. If both mounting brackets easily cover the marked outline, then mark through the bracket
mounting holes in preparation for drilling and installation.
If the Pivot T-bracket (G) cannot reach the marked outline, make a new marked outline
where is does reach.