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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlain.com
GARAGE DOOR OPENER
Model CG40D 1/2 HP
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 loca
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TABLE OF CONTENTS Introduction 2-7 Adjustment 27-29 Safety symbol and signal word review ...............................2 Adjust the travel limits.......................................................27 Preparing your garage door................................................3 Adjust the force.................................................................28 Tools needed.......................................................................3 Test the safety reversal system ...................
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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 following test to make sure your garage door is balanced and is not sticking or binding: • NEVER try to loosen, move or adjust garage door, door springs, cables, pulleys, br
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— — — — — — — — Planning Identify the type and height of your garage door. Survey • Look at the garage door where it meets the floor. Any your garage area to see if any of the conditions below gap between the floor and the bottom of the door must apply to your installation. Additional materials may be not exceed 1/4" (6 mm). Otherwise, the safety reversal required. You may find it helpful to refer back to this page system may not work properly. See Adjustment Step 3. and the accom
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Planning (Continued) ONE-PIECE DOOR INSTALLATIONS Without a properly working safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or • Generally, a one-piece door does not require KILLED by a closing garage door. reinforcement. If your door is lightweight, refer to the • The gap between the bottom of the garage door and the floor information relating to sectional doors in Installation MUST NOT exceed 1/4" (6 mm). Otherwise, the safety Step 11. reversal system
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Carton Inventory Your garage door opener is packaged in one carton which PARTS MAY BE STUCK IN THE FOAM. Hardware for contains the motor unit and all parts illustrated below. assembly and installation is shown on the next page. Save Accessories will depend on the model purchased. If the carton and packing material until installation and anything is missing, carefully check the packing material. adjustment is complete. Lighted Door Control Button Motor Unit with a Light Lens with (2) screws 6ABx1
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Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. ASSEMBLY HARDWARE Nut Lock Nut Lock Washer 3/8" (1) 1/4"-20 (2) 3/8" (1) Bolt 1/4"-20x1-3/4 (2) Master Link (2) Idler Bolt (1) Trolley Threaded Shaft (1) INSTALLATION HARDWARE Carriage Bolt Wing Nut Ring Nut 5/16"-18 (8) Handle 1/4"-20x1/2" (2) 1/4"-20 (2) Fastener (3) Lag Screw Hex Bolt Lock Washer 5/16" (7) Insulated 5/16"-9x1-5/8" (2) 5/16"-18x7/8" (4) Staples (30)
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ASSEMBLY STEP 1 Assemble the Rail & Install the Trolley To prevent INJURY from pinching, keep hands and fingers away from the joints while assembling the rail. To avoid installation difficulties, do not run the garage door opener until instructed to do so. The front rail has a cut out “window” at the door end (see 3. Place the motor unit on packing material to protect the illustration). The hole above this window is larger on cover, and rest the back end of the rail on top. For the top of the ra
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ASSEMBLY STEP 2 Fasten the 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. • Insert a 1/4"-20x1-3/4 bolt into the cover protection bolt hole on the back end of the rail as shown. Tighten securely with a 1/4"-20 lock nut. Do NOT overtighten. • Remove the two bolts from the top of the motor unit. Hex Screws 8-32x7/16" • Place the “U” bracket, flat side down onto the motor unit and align the bracket hole with t
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ASSEMBLY STEP 4 Install the Chain/Cable To avoid possible SERIOUS INJURY to fingers from moving garage door opener: 1. Pull the cable around the idler pulley and toward the • ALWAYS keep hand clear of sprocket while operating opener. trolley. • Securely attach chain spreader BEFORE operating. 2. Connect the cable to the retaining slot on the trolley, as shown (Figure 1): • From below, push pins of master link bar up through Dispensing Carton cable link and trolley slot. Leave Chain and Cable • P
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ASSEMBLY STEP 5 Tighten the Chain Figure 1 Trolley Outer Lock Threaded • Spin the inner nut and lock washer down the trolley Washer Nut Shaft To Tighten Outer Nut threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown (Figure 1). Inner Nut • When the chain is approximately 1/4" (6 mm) above the To Tighten base of the rail at its midpoint, re-tighten the inner nut to Inner Nut secure the adjustment. Figure 2 Sprocket noise can result if chain is too
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INSTALLATION STEP 1 Unfinished Ceiling OPTIONAL Determine the Header Bracket CEILING MOUNT Location FOR HEADER BRACKET Header Wall 2x4 Vertical Centerline To prevent possible SERIOUS INJURY or DEATH: of Garage Door • Header bracket MUST be RIGIDLY fastened to structural 2x4 Structural support on header wall or ceiling, otherwise garage door Supports might not reverse when required. DO NOT install header bracket over drywall. • Concrete anchors MUST be used if mounting header bracket or 2x4 into
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Wall Mount INSTALLATION STEP 2 Install the Header Bracket You can attach the header bracket either to the wall above UP 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). Optional WALL HEADER BRACKET INSTALLATION Mounting Holes • Center the bracket on the vertical centerline with the bottom edge of the bracket on the hor
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INCREASE TRAVEL DOWN UP INSTALLATION STEP 3 Attach the Rail to the Header Bracket NOTE: (Optional) With some existing installations, you may re-use the old header bracket with the two plastic spacers included in the hardware bag. Place the spacers inside the bracket on each side of the rail, as illustrated. • 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
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INSTALLATION STEP 4 Position the Opener To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door. Follow instructions which apply to your door type as 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 place
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INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to structural supports of the Three representative installations are shown. Yours may garage. Concrete anchors MUST be used if installing any be different. Hanging brackets should be angled (Figure 1) brackets into masonry. to provide rigid support. On finished ceilings (Figure 2 and Figure 3), attach a sturdy metal bracket to structural supports before installing the opener
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INSTALLATION STEP 6 Install the Door Control To prevent possible SERIOUS INJURY or DEATH from electrocution: Locate door control within sight of door at a minimum • Be sure power is not connected BEFORE installing door height of 5 feet (1.5 m) where small children cannot reach, control. and away from all moving parts of door and door • Connect ONLY to 24 VOLT low voltage wires. hardware. To prevent possible SERIOUS INJURY or DEATH from a closing 1. Strip 1/4" (6 mm) of insulation from one end o
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NOTICE INSTALLATION STEP 7 Install the Light and Lens To prevent possible OVERHEATING of the endpanel or light socket: INSTALL THE LIGHT • DO NOT use short neck or specialty light bulbs. • DO NOT use halogen bulbs. Use ONLY incandescent. • Install an A19 standard neck, 75 watt maximum light bulb in the socket. The light will turn ON and remain lit To prevent damage to the opener: • DO NOT use bulbs larger than 75W. for approximately 4-1/2 minutes when power is connected. Then the light will tu
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INSTALLATION STEP 9 Electrical Requirements To prevent possible SERIOUS INJURY or DEATH from electrocution or fire: To avoid installation difficulties, do not run the opener • Be sure power is not connected to the opener, and at this time. 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 • Garage door installation and wiring MUST be in complian
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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 To prevent SERIOUS INJURY or DEATH from a closing garage aligned correctly before the garage door opener will door: move in the down direction. • Correctly connect and align the safety reversing sensor. This required safety device MUST NOT be disabled. IMPORTANT INFORMATION ABOUT THE SAFETY
