Download Commander II Instruction Manual PDF file

Installation Step 2Install the Header BracketYou can attach the header bracket either to the wall above thegarage door, or to the ceiling. Follow the instructions which willwork best for your particular requirements. Do not install theheader bracket over drywall. If installing into masonry, useconcrete anchors (not provided).Wall Header Bracket Installation• Center the bracket on the vertical centerline with the bottomedge of the bracket on the horizontal line as shown (with thearrow pointing toward the ceiling).• Mark the vertical set of bracket holes (do not use the holesdesignated for ceiling mount). Drill 3/16" pilot holes and fastenthe bracket securely to a structural support with the hardwareprovided.HARDWARE SHOWN ACTUAL SIZE2x4StructuralSupportHorizontalLineWall Mounting HolesHeaderWallCEILING MOUNT ONLYUPOptionalWall Mounting HolesHeaderBracketCEILING MOUNT ONLYUPThe nail hole is forpositioning only.You must use lag screwsto mount the header bracket.VerticalCenterlineof Garage DoorLag Screws5/16"-9x1-5/8"Door SpringLag Screw5/16"-9 x 1-5/8"Highest Point ofGarage Door TravelGarageDoorVerticalCenterlineof Garage DoorCeiling Header Bracket Installation• Extend the vertical centerline onto the ceiling as shown.• Center the bracket on the vertical mark, no more than 6"(15 cm) from the wall. Make sure the arrow is pointing towardthe wall. The bracket can be mounted flush against the ceilingwhen clearance is minimal.• Mark the side holes. Drill 3/16" pilot holes and fasten bracketsecurely to a structural support with the hardware provided.– Finished Ceiling –HeaderBracketVerticalCenterlineof Garage Door6" (15 cm)MaximumUPCeiling Mounting HolesDoorSpringLag Screws5/16"-9x1-5/8"CEILING MOUNT ONLYThe nail hole is forpositioning only.You must use lag screwsto mount the header bracket.UPGarage DoorVerticalCenterlineof Garage DoorHeader Wall9