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Anleitung Chamberlain, modell 1345 - 3HP

Hersteller: Chamberlain
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DO NOT install header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4 into masonry. • NEVER try to loosen, move or adjust garage door, springs, cables, pulleys, brackets, or their hardware, all of which are under EXTREME tension. • ALWAYS call a trained door systems technician if garage door binds, sticks, or is out of balance. An unbalanced garage door might not reverse when required. Finished Ceiling Header Wall 2x4 Structural Supports Vertical Centerline of Garage Door Installation procedures vary according to garage door types. Follow the instructions which apply to your door. SECTIONAL DOOR AND ONE-PIECE DOOR WITH TRACK 1. Close the door and mark the inside vertical centerline of the garage door. 2. Extend the line onto the header wall above the door. You can fasten the header bracket within 4 feet (1.2 m) of the left or right of the door center only if a torsion spring or center bearing plate is in the way; or you can attach it to the ceiling (see page 10) when clearance is minimal. (It may be mounted on the wall upside down if necessary, to gain approximately 1/2" (1 cm).) If you need to install the header bracket on a 2x4 (on wall or ceiling), use lag screws (not provided) to securely fasten the 2x4 to structural supports as shown here and on page 13. 3. Open your door to the highest point of travel as shown. Draw an intersecting horizontal line on the header wall 2" (5 cm) above the high point. This height will provide travel clearance for the top edge of the door. Proceed to Step 2, page 14. Header Wall Ceiling Track Highest Point of Travel Door 2" (5 cm) Sectional door with curved track One-piece door with horizontal track Door Track Header Wall Highest Point of Travel 2" (5 cm) 12 ONE-PIECE DOOR WITHOUT TRACK 1. Close the door and mark the inside vertical centerline of your garage door. Extend the line onto the header wall above door, as shown. If headroom clearance is minimal, you can install the header bracket on the ceiling. See page 14. If you need to install the header bracket on a 2x4 (on wall or ceiling), use lag screws (not provided) to securely fasten the 2x4 to structural supports as shown. 2. Open your door to the highest point of travel as shown. Measure the distance from the top of the door to the floor. Subtract the actual height of the door. Add 8" (20 cm) to the remainder. (See Example). 3. Close the door and draw an intersecting horizontal line on the header wall at the determined height. NOTE: If the total number of inches exceeds the height available in your garage, use the maximum height possible, or refer to page 14 for ceiling installation. EXAMPLE Distance from top of door (at highest point of travel) to floor . . . . .92" (234 cm) Actual height of door . . . . . . . . . . . . . .-88" (224 cm) Remainder . . . . . . . . . . . . . . . . . . . . . . . . .4" (10 cm) Add . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+8" (20 cm) Bracket height on header wall . . . . . . . .=12" (30 cm) (Measure UP from top of CLOSED door.) Proceed to Step 2, page 14. Header Wall Vertical Centerline of Garage Door 2x4 Unfinished Ceiling 2x4 OPTIONAL CEILING MOUNT FOR HEADER BRACKET Structural Supports Header Wall Door Highest Point of Travel Header Wall Pivot Distance Floor One-piece door without track: pivot hardware Highest Point of Travel Door Floor DistanceJambHardware One-piece door without track: jamb hardware 13 INSTALLATION STEP 2 Install the Header Bracket You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the instructions which will work best for your particular requirements. Do not install the header bracket over drywall. If installing into masonry, use concrete anchors (not provided). WALL HEADER BRACKET INSTALLATION • Center the bracket on the vertical centerline with the bottom edge of the bracket on the horizontal line as shown (with the arrow pointing toward the ceiling). • Mark the vertical set of bracket holes (do not use the holes designated for ceiling mount). Drill 3/16" pilot holes and fasten the bracket securely to a structural support with the hardware provided. Lag Screw5/16"-9 x 1-5/8" HARDWARE SHOWN ACTUAL SIZE Wall Mounting Holes UP CEILING MOUNT ONLY Optional Wall Mounting Holes The nail hole is for positioning only. You must use lag screws to mount the header bracke Lag Screws 5/16"-9x1-5/8" Highest Point of Garage Door Travel Header Wall Garage Door UPCEILING MOUNT ONLY Door Spring Header Bracket 2x4 Structural Support Horizontal Vertical Centerline of Garage Door Vertical Centerline of Garage Door Line CEILING 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 toward the wall. The bracket can be mounted flush against the ceiling when clearance UP CEILING MOUNT ONLY Ceiling Mounting Holes The nail hole is for position...