Table of Contents
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GARAGE DOOR OPENER
Series CG40
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
and properly aligned.
Periodic checks of the opener are required to ensure safe operation.
The model number label is located on the front end panel of your opener.
®
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlaingroup.com
®
is connected
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Table of Contents
Related Manuals for Chamberlain CG40 Series
Summary of Contents for Chamberlain CG40 Series
- Page 1 Periodic checks of the opener are required to ensure safe operation. The model number label is located on the front end panel of your opener. ® The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.chamberlaingroup.com ®...
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Page 2: Table Of Contents
TABLE OF CONTENTS Introduction Safety symbol and signal word review...2 Preparing your garage door ...3 Tools needed ...3 Planning ...4-5 Carton inventory ...6 Hardware inventory ...7 Assembly Assemble T-rail and attach the pulley bracket ...8 Install the trolley ...9 Fasten the T-rail to the motor unit ...9 Install the chain/cable and sprocket cover ...10 Tighten the chain and cable ...11 Installation... -
Page 3: Preparing Your Garage Door
Preparing your garage door Before you begin: • Disable locks. • Remove any ropes connected to garage door. • Complete the following test to make sure your garage door is balanced and is not sticking or binding: 1. Lift the door about halfway as shown. Release the door. -
Page 4: Planning
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. - Page 5 Planning (Continued) ONE-PIECE DOOR INSTALLATIONS • Generally, a one-piece door does not require reinforcement. If your door is lightweight, refer to the information relating to sectional doors in Installation Step 11. • Depending on your door’s construction, you may need additional mounting hardware for the door bracket (Step 11).
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Page 6: Carton Inventory
Carton Inventory Your garage door opener is packaged in one carton which contains the motor unit and the parts illustrated below. Note that accessories will depend on the model purchased. If anything is missing, carefully check the packing material. Parts may be stuck in the Lighted Door Control Button with (2) screws 6ABx1-1/2"... -
Page 7: Hardware Inventory
Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures. Washered Bolt 5/16" - 18 x 1/2" (2) (mounted in motor unit) Threaded Trolley Shaft (1) Lag Screw 5/16"- 9 x 1-5/8" (2) Lag Screw 5/16"-18 x 1-7/8"... -
Page 8: Assemble T-Rail And Attach The Pulley Bracket
ASSEMBLY STEP 1 Assemble the Rail and Attach the Cable Pulley Bracket To avoid installation difficulties, do not run the garage door opener until instructed to do so. 1. Align the four T-rail sections on a flat surface exactly as shown. Center sections are interchangeable. -
Page 9: Install The Trolley
ASSEMBLY STEP 2 Install the Trolley • Attach the trolley threaded shaft to the trolley with the lock washer and nuts as shown. • As a temporary stop, insert a screwdriver into the hole in the front end of the T-rail. •... -
Page 10: Install The Chain/Cable And Sprocket Cover
ASSEMBLY STEP 4 Install the Chain/Cable and Attach the Sprocket Cover INSTALLING THE CHAIN/CABLE 1. Pull the cable loop from the carton and fasten it to the trolley with a master link from the hardware bag (see Figure 1). Keep Chain and Cable •... -
Page 11: Tighten The Chain And Cable
ASSEMBLY STEP 5 Tighten the Chain and Cable • Spin the inner nut and lock washer down the trolley threaded shaft, away from the trolley. • To tighten the chain, turn outer nut in the direction shown. AS YOU TURN THE NUT, KEEP THE CHAIN FROM TWISTING. -
Page 12: Determine The Header Bracket Location
INSTALLATION STEP 1 Determine the Header Bracket Location WARNING To prevent possible SERIOUS INJURY or DEATH: • Header bracket MUST be RIGIDLY fastened to CAUTION structural support on header wall or ceiling, otherwise garage door might not reverse when required. DO NOT install header bracket over drywall. - Page 13 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...
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Page 14: Install The Header Bracket
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. -
Page 15: Attach The T-Rail To The Header Bracket
Header Wall Header Bracket Cable Pulley Bracket Garage Door HARDWARE SHOWN ACTUAL SIZE Clevis Pin 5/16" x 2-3/4" INSTALLATION STEP 3 Attach the T-Rail to the Header Bracket • Position the opener on the garage floor below the header bracket. Use packing material as a protective base. -
Page 16: Position The Opener
INSTALLATION STEP 4 Position the Opener 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-T-rail distance. • Raise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough. -
Page 17: Hang The Opener
INSTALLATION STEP 5 Hang the Opener Two representative installations are shown. Yours may be different. Hanging brackets should be angled (Figure 1) to provide rigid support. On finished ceilings (Figure 2), attach a sturdy metal bracket to structural supports before installing the opener. This bracket and fastening hardware are not provided. -
Page 18: Install The Door Control
CAUTION INSTALLATION STEP 6 Install the Door Control Locate the door control within sight of the door at a minimum height of 5 feet where small children cannot reach, and away from all moving parts of the door and door hardware. 1. -
Page 19: Install The Light And Lens
INSTALLATION STEP 7 Install the Light and Lens INSTALL THE LIGHT • Install a 75 watt maximum light bulb in the socket. The light will turn ON and remain lit for approximately 4-1/2 minutes when power is connected. Then the light will turn OFF. •... -
Page 20: Electrical Requirements
WARNING INSTALLATION STEP 9 Electrical Requirements CAUTION To avoid installation difficulties, do not run the opener at this time. To reduce the risk of electric shock, your garage door opener has a grounding type plug with a third grounding pin. This plug will only fit into a grounding type outlet. -
Page 21: Install The Protector System
INSTALLATION STEP 10 Install The Protector System The safety reversing sensor must be connected and aligned correctly before the garage door opener will move in the down direction. IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING SENSOR When properly connected and aligned, the sensor will detect an obstacle in the path of its electronic beam. - Page 22 INSTALLING THE BRACKETS Be sure power to the opener is disconnected. Install and align the brackets so the sensors will face each other across the garage door, with the beam no higher than 6" above the floor. They may be installed in one of three ways, as follows.
- Page 23 MOUNTING AND WIRING THE SAFETY SENSORS • Slide a 1/4"-20x1/2" carriage bolt head into the slot on 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.
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Page 24: Fasten The Door Bracket
INSTALLATION STEP 11 Fasten the Door Bracket Follow instructions which apply to your door type as 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 the height of the top panel. - Page 25 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.
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Page 26: Connect Door Arm To Trolley
INSTALLATION STEP 12 Connect Door Arm to Trolley Follow instructions which apply to your door type as illustrated below and on the following page. SECTIONAL DOORS ONLY • Make sure garage door is fully closed. Pull the emergency release handle to disconnect the outer trolley from the inner trolley. -
Page 27: Connect The Door Arm To The Trolley
ALL ONE-PIECE DOORS 1. Assemble the door arm: • Fasten the straight and curved door arm sections together to the longest possible length (with a 2 or 3 hole overlap). • With the door closed, connect the straight door arm section to the door bracket with the 5/16"x1-1/4"... -
Page 28: Adjust The Travel Limits
ADJUSTMENT STEP 1 Adjust the UP and DOWN Travel Limits Limit adjustment settings regulate the points at which the door will stop when moving up or down. To operate the opener, press the Door Control push bar. Run the opener through a complete travel cycle. •... -
Page 29: Adjustment
ADJUSTMENT STEP 2 Adjust the Force Force adjustment controls are located on the back panel of the motor unit. Force adjustment settings regulate the amount of power required to open and close the door. If the forces are set too light, door travel may be interrupted by nuisance reversals in the down direction and stops in the up direction. -
Page 30: Test The Safety Reversal System
ADJUSTMENT STEP 3 Test the Safety Reversal System TEST • With the door fully open, place a one-inch board (or a 2x4 laid flat) on the floor, centered under the garage door. • Operate the door in the down direction. The door must reverse on striking the obstruction. -
Page 31: Operation
OPERATION IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of severe injury or death: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ALWAYS keep remote controls out of reach of children. NEVER permit children to operate or play with garage door control push buttons or remote controls. -
Page 32: Using The Wall-Mounted Door Control
Using the Wall-Mounted Door Control Press the push button to open or close the door. Press again to reverse the door during the closing cycle or to stop the door while it's opening. To Open the Door Manually WARNING • To prevent possible SERIOUS INJURY or DEATH from a falling garage door: CAUTION –... -
Page 33: Care Of Your Garage Door Opener
Care of Your Opener LIMIT AND FORCE ADJUSTMENTS: Weather conditions may cause some minor changes in door operation requiring some readjustments, particularly during the first year of operation. Pages 28 and 29 refer to the limit and force adjustments. Only a screwdriver is required. -
Page 34: Having A Problem
Having a Problem? (Continued) 6. The garage door opens and closes by itself: • Be sure that all remote control push buttons are off. • Remove the bell wire from the door control terminals and operate from the remote only. If this solves the problem, the door control is faulty (replace), or there is an intermittent short on the wire between the door control and the motor unit. -
Page 35: Programming
If supplied with your garage door opener, the large button is factory programmed to operate it. Additional buttons on any Security multi-function remote or mini-remote can be programmed to operate other Security garage door openers. remote controls. that you wish... -
Page 36: To Add Or Change A Keyless Entry Pin
To Add or Change a Keyless Entry PIN NOTE: Your new Keyless Entry must be programmed to operate your garage door opener. USING THE “LEARN” BUTTON 1. Press and release the “learn” button on motor unit. The learn indicator light will glow steadily for 30 seconds. -
Page 37: Repair Parts
REPAIR PARTS Rail Assembly Parts Installation Parts PART 41A4166 41A5056-17 Single-function remote control, 10A20 29B137 41A2828 217A238 41A4353 41A5047 178B35 178B34 12B350 41A5034 41A5266-1 41A2848 114A2490 PART DESCRIPTION 4A1008 Master link kit 41A3489 Complete trolley assembly 183B112 Rail braces (each) 183B111 T-rail –... -
Page 38: Motor Unit Assembly Parts
Motor Unit Assembly Parts PART DESCRIPTION 31D380 Sprocket cover 41C4220A Gear and sprocket assembly, Complete with: Spring washer; Thrust washer; Retaining ring; Bearing plate; Roll pins (2); Drive gear and worm gear; Helical gear w/retainer and grease 41A2817 Drive/worm gear kit w/grease, Roll pins (2) 41B4245 Line cord... -
Page 39: Accessories
ACCESSORIES 953CB 3-Button Security ™ Remote Control: Includes visor clip. 3-Button Mini-Remote Control 956CB with Security ™: With key ring and velcro fastening strip. 945CB Multi-Function Door Control Panel: Provides a Lock feature which prevents operation of garage door opener from portable remotes and a Light feature for constant light. -
Page 40: Repair Parts And Service
CHAMBERLAIN GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTY The Chamberlain Group, Inc. (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it will be free from any defect in materials and/or workmanship for a period of one year from the date of purchase.