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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com
®
GARAGE DOOR OPENER
Model 3575S
For Residential Use Only
Owner’s Manual
■ Please read this manual and the enclosed safety materials carefully!
■ Fasten the manual near the garage door after installation.
®
■ The door WILL NOT CLOSE unless the Protector System is connected and properly
aligned.
■ Periodic checks of the opener are required to ensure safe operation.
■ The model number label is
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TABLE OF CONTENTS Operation 26-32 Introduction 2-5 Operation safety instructions . . . . . . . . . . . . . . . . . . . . . 26 Safety symbol and signal word review. . . . . . . . . . . . . . . 2 Using your garage door opener . . . . . . . . . . . . . . . . . . . 26 Preparing your garage door . . . . . . . . . . . . . . . . . . . . . . . 3 Using the wall-mounted door control . . . . . . . . . . . . . . . 27 Tools needed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Usi
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1 Preparing your garage door Before you begin: To prevent possible SERIOUS INJURY or DEATH: � Disable locks. • ALWAYS call a trained door systems technician if garage � Remove any ropes connected to garage door. door binds, sticks or is out of balance. An unbalanced garage door may not reverse when required. � Complete the f ollowing test to make sure your garage • NEVER try to loosen, move or adjust garage door, door door is balanced and is not sticking or binding: springs, cables, pul
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— — — — — — — — Slack in chain tension is normal when garage door is closed. Slack in chain tension is normal when garage door is closed. Planning Identify the type and height of your garage door. Survey your garage area to see if any of the conditions below apply to your installation. Additional materials may be required. You may find it helpful to refer back to this page and the accompanying illustrations as you proceed with the installation of your opener. SECTIONAL DOOR INS
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LIGHT LOCK Carton Inventory Your garage door opener is packaged in two cartons If anything is missing, carefully check the packing which contain the motor unit and all parts illustrated material. Parts may be stuck in the foam. Hardware for below. Accessories will depend on the model purchased. installation is also listed below. Chain Spreader ® SECURITY 3-Button Remote Control Remote Control Model 373P (1) Transmitter Visor Clip Smart Control Panel™ Chain Styrofoam 2 Conductor Bell Wire Whi
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ASSEMBLY STEP 1 Attach the T-Rail to the Motor Unit To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top of the opener. To avoid installation difficulties, do not run the garage door opener until instructed to do so. � Remove the bolt and lock nut from the top of the motor unit. Washered Bolt 5/16"-18x1/2" Lock Nut � Place rail onto the bolt mounted on the motor unit and align the back hole with the hole in the top of the unit. Styrofoam T-rail
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Figure 1 ASSEMBLY STEP 3 Lock Washer Outer Nut Tighten the Chain Inner Nut To Tighten Outer Nut � Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley. To Tighten Inner Nut � To tighten the chain, turn outer nut in the direction shown (Figure 1). � When the chain is approximately 1/2" (13 mm) above Trolley the base of the rail at its midpoint, re-tighten the inner nut to secure the adjustment. Figure 2 Sprocket noise can result if chain is too loose.
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Unfinished INSTALLATION STEP 1 Ceiling OPTIONAL Determine the Header Bracket CEILING MOUNT Location FOR HEADER BRACKET 2x4 Header Wall Vertical Centerline of Garage Door To prevent possible SERIOUS INJURY or DEATH: 2x4 Structural • Header bracket MUST be RIGIDLY fastened to structural Supports support on header wall or ceiling, otherwise garage door might not reverse when required. DO NOT install header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4
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INSTALLATION STEP 2 Install the Header Bracket Wall Mounting Holes You can attach the header bracket either to the wall above the garage door, or to the ceiling. Follow the instructions CEILING MOUNT ONLY The nail hole is for which will work best for your particular requirements. Do positioning only. You must use lag screws not install the header bracket over drywall. If installing UP to mount the header bracket. into masonry, use concrete anchors (not provided). WALL HEADER BRACKET INSTALLA
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INSTALLATION STEP 3 Attach the Rail to the Header Bracket � Position the opener on the garage floor below the header bracket. Use packing material as a protective base. NOTE: If the door spring is in the way you’ll need help. Have someone hold the opener securely on a Header Wall temporary support to allow the rail to clear the spring. Header � Position the rail bracket against the header bracket. Bracket � Align the bracket holes and join with a clevis pin as shown. Chain Pulley � Inse
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INSTALLATION STEP 4 Position the Opener To prevent damage to garage door, rest garage door opener Follow instructions which apply to your door type as rail on 2x4 placed on top section of door. illustrated. SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK A 2x4 laid flat is convenient for setting an ideal door-to-rail distance. Rail � Remove foam packaging. � Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough. � Open the door all the way and p
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INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door Three representative installations are shown. Yours may opener, fasten it SECURELY to structural supports of the be different. Hanging brackets should be angled (Figure 1) garage. Concrete anchors MUST be used if installing any to provide rigid support. On finished ceilings (Figure 2 and brackets into masonry. Figure 3), attach a sturdy metal bracket to structural supports before installing the o
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LOCK LOCK LOCK LOCK LIGHT LIGHT INSTALLATION STEP 6 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from Locate door control within sight of door, at a minimum electrocution: height of 5' (1.5 m) where small children cannot reach, • Be sure power is not connected BEFORE installing door away from moving parts of door and door hardware. If control. installing into drywall, drill 5/32" holes and use the anchors • Connect ONLY to 24 VOLT low voltage wires. provided. For
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NOTICE INSTALLATION STEP 7 Install the Light To prevent possible OVERHEATING of the endpanel or light socket: � Press the release tabs on both sides of lens. Gently rotate lens back and downward until the lens hinge is in • DO NOT use short neck or specialty light bulbs. the fully open position. Do not remove the lens. • DO NOT use halogen bulbs. Use ONLY incandescent. � Install up to a 100 watt maximum light bulb in each To prevent damage to the opener: socket. The light will turn ON and
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INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from To avoid installation difficulties, do not run the opener electrocution or fire: at this time. • Be sure power is not connected to the opener, and disconnect power to circuit BEFORE removing cover to To reduce the risk of electric shock, your garage door establish permanent wiring connection. opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type
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INSTALLATION STEP 10 ® Install The Protector System Be sure power is not connected to the garage door opener BEFORE installing the safety reversing sensor. The safety reversing sensor must be connected and aligned correctly before the garage door opener will To prevent SERIOUS INJURY or DEATH from a closing garage move in the down direction. door: • Correctly connect and align the safety reversing sensor. This IMPORTANT INFORMATION ABOUT required safety device MUST NOT be disabled. THE S
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INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install Figure 1 DOOR TRACK MOUNT (RIGHT SIDE) and align the brackets so the sensors will face each other across the garage door, with the beam no higher than 6" Door (15 cm) above the floor. They may be installed in one of Track three ways, as follows. Lip Garage door track installation (preferred) (Figure 1): Indicator Light � Slip the curved arms over the rounded edge of each door track, with the curved arms facing t
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MOUNTING AND WIRING THE SAFETY REVERSING Figure 5 SENSORS Wing Nut � Slide a 1/4"-20x1/2" carriage bolt head into the slot on 1/4"-20 each sensor. Use wing nuts to fasten sensors to brackets, with lenses pointing toward each other across the door. Be sure the lens is not obstructed by a bracket extension (Figure 5). Carriage Bolt 1/4"-20x1/2" � Finger tighten the wing nuts. Lens � Run the wires from both sensors to the opener. Use insulated staples to secure wire to wall and ceiling. T
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INSTALLATION STEP 11 Fasten the Door Bracket Fiberglass, aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE installation of door bracket. Follow instructions which apply to your door type as Contact your door manufacturer for reinforcement kit. illustrated below or on the following page. A horizontal reinforcement brace should be long enough to be secured to two or three vertical supports. A vertical reinforcement brace should cover Header the height of the top p
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ONE-PIECE DOORS Please read and comply with the warnings and reinforcement instructions on the previous page. They apply to one-piece doors also. � Center the door bracket on the top of the door, in line with the header bracket as shown. Mark either the left and right, or the top and bottom holes. � Metal Doors: Drill 3/16" pilot holes and fasten the bracket with the 1/4"-14x5/8" self-threading screws HARDWARE SHOWN ACTUAL SIZE provided. � Wood Doors: Drill 5/16" holes and use 5/16"x
