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Resumen del manual
Manually raise the door to its high arc position and temporarily clamp in that position. With the door in this high arc position, measure the distance from the top of the door to the floor (see figure at left). Subtract the actual door height from the high arc distance to the floor. This is the high arc rise of the door. Unclamp and close the door. Using the table below, draw a horizontal line at the appropriate height above the door to intersect with the vertical centerline. 110049 1/2” Above High Arc Mark Front Wall Bracket Center of High Arc Mark Door Mount the Front Mounting Bracket securely with lag screws as shown in figure above. If necessary, reinforce the header with steel angle iron or wood to ensure a secure mount. STEP 2: Raise the front of the Rail/Chain assembly so that the Front Rail Bracket and Wall Mounting Bracket align. Insert the 1/4” x 4” bolt and tighten nut loosely for now. Later in the installation, this nut must be tightened securely. STEP 3 — Sectional Doors and One Piece Doors with Track: Raise the Opener and rest the Power Unit on a ladder or other sturdy support. Open the door the full open position. Allow 2" of space between the Tee Rail and the topsection of the door (as shown in the illustration on page9). STEP 3A — One Piece Doors without Track: Raise the opener and rest the power unit on a ladder or other sturdy support. Open the door to the high arc position. Allow 2” of space between the tee rail and the door (at the high arc position) as shown in the illustration on page 9. The opener will be angled as shown. This is necessary for proper operation. NOTE: Since the Opener will be secured permanently in this position, open and close the door a few times to be sure the door does not rub on the Tee Rail and that you have allowed the proper clearances before proceeding. 110050-1 1/4” x 4” Hex Head Bolt Wall Mounting Bracket Nut Cardboard or Cloth to protect the Housing Wall Mounting Bracket 8 C: INSTALLING THE OPERATOR STEP 4: Mount Power Head to Ceiling: Since there is such variety in ceiling structures, all the mounting possibilities for the Power Unit cannot be illustrated here. The main concern is mounting the Power Unit securely to the ceiling joists for operational strength, rigidity and safety. Although there are a series of mounting slots provided on the power unit, try to secure the mounting straps in the slots closest to the front. Mounting may usually be accomplished standard 1-1/4“ perforated steelavailable at most hardware stores. using angle If in SECTIONAL DOORS AND ONEPIECE DOORS WITH TRACKS ONE PIECE DOORS WITHOUT TRACKS doubt about location of, and attachment to, ceiling joists, a carpenter should be contacted to provide assistance. A cross brace will be necessary if power head is mounted 8” or more from the ceiling. STEP 5: Return to the Rail/Wall Mounting Bracket and securely tighten the bolt and nut that connect the Rail Front Idler bracket and the Wall Mounting Bracket. Take care not to over tighten the nut; tighten only until the end of the bolt is ALLOW 2” BETWEEN TOP OF DOOR AND RAIL DOOR FULLY OPEN TOP OF DOOR IN HIGH ARC POSITION ALLOW 2” BETWEEN HIGH ARC 104373 (See Step 2). Mounting The Power Head End of Opener STEP 6: Align the center of opener tracks with the center line previously marked on the top section of the garage door to ensure rail will be parallel with the direction of door travel. Use supplied hangers from the ceiling beams to hang the opener at the power head end (be sure to locate and mount to the solid structural beams, as illustrated). Predrill with 3/16” drill bit and use supplied 1/4” x 1-1/2” lag screws to ensure a rigid mount. NOTE: Hanging brackets should be at an 110050-2 For finished ceilings, or if structural beams are out of position for mounting use a third mounting angle (not Cut and bend Hangers to fit Opener Power Head Structural Beams angle to provide rigid support. If hangers have no angle or if you use longer hangers, cross brace the hangers to eliminate the possibility of sway during operation of the opener. included) making sure it is securely mounted to beams. Reinforce Door Vertically and Horizontally 110051-2 Top Roller Guideline Door Center Line Mounting Bracket Top Roller Guideline STEP 7: Door Bracket Installation NOTE: If the door is of light construction it may be necessary to reinforce the center stile with steel angle or wood to prevent damage to the door if it encounters an obstruction on closing. Mount the door bracket using two 1/4”-20 x 2” carriage bolts and 1/4” nuts (supplied), on center line of door with the middle hole in line with the top rollers. Fiberglass, aluminum or lightweight steel garage doors will require reinforcement before installation of the door mounting bracket Contact your door manufacturer for a reinforcement kit or instructions. WARNING If your door comes equipped with a strut mounted opener bracket, proceed to Step 8. 110051-1 9 Step 8: Connecting Door Arm to Trolley (THIS IS...
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