Chamberlain CG40 Series Owner'S Manual Download Page 1

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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chamberlaingroup.com

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

is connected

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.

Summary of Contents for CG40 Series

Page 1: ...ner 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 located on the front end panel of your opener ...

Page 2: ... manually 32 Care of your garage door opener 33 Having a problem 34 Programming 35 36 To add a hand held remote control 35 To erase all codes 35 Multi function remotes 35 To add or change a Keyless Entry PIN 36 Repair Parts 37 38 Rail assembly parts 37 Installation parts 37 Motor unit assembly parts 38 Accessories 39 Repair Parts and Service 40 Warranty 40 TABLE OF CONTENTS When you see these Safe...

Page 3: ... their hardware all of which are under EXTREME tension Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement 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 ...

Page 4: ... in your garage If so a support bracket and additional fastening hardware may be required Installation Step 10 Depending upon garage construction extension brackets or wood blocks may be needed to install sensors Installation Step 10 Alternate floor mounting of the safety reversing sensor will require hardware not provided Do you have an access door in addition to the garage door If not Model 7702...

Page 5: ...hardware is required See page 17 Slack in chain tension is normal when garage door is closed Safety Reversing Sensor Header Wall Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1 4 Motor Unit Access Door Wall mounted Door Control Cable Pulley Bracket Header Bracket Trolley Straight Door Arm Emergency Release Rope Handle Door Bracket Curved Door Arm Header Wall T rail G...

Page 6: ...emote Control 2 Safety Reversing Sensors 1 Sending Eye and 1 Receiving Eye with 2 Conductor White White Black Bell Wire attached Safety Sensor Bracket 2 Motor Unit with a Light Lens 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 packin...

Page 7: ...2 Nut 5 16 18 5 Washered Bolt 5 16 18 x 1 2 2 mounted in motor unit Carriage Bolts 1 4 20 x 1 2 12 Hex Bolt 5 16 18 x 7 8 3 Master Link 2 Ring Fastener 3 Threaded Trolley Shaft 1 Lock Washer 5 16 4 Lag Screw 5 16 18 x 1 7 8 2 Wing Nut 1 4x20 2 Insulated Staples 30 Rail Grease Hex Bolt 5 16 18 x 7 8 4 Carriage Bolts 1 4 20x1 2 2 Lag Screw 5 16 9 x 1 5 8 2 Clevis Pin 5 16 x1 1 4 1 Self Threading Scr...

Page 8: ...oor reversals 3 Assemble lock nuts ensure alignment and tighten NOTE If T rail is not assembled exactly as shown trolley will not travel smoothly along length of rail or it will hit against nuts 4 Position the cable pulley bracket on the front end of the T rail as shown Fasten securely with the hardware shown NOTE When tightening the screws be sure to keep bracket parallel to the rail Otherwise th...

Page 9: ...ed in the top of the motor unit Align the holes in the back section of the T rail with the holes in the motor unit Fasten the rail with the two washered screws previously removed Tighten securely Remember to use only these screws Any other screws will cause serious damage to the opener Insert a 5 16 18x7 8 hex bolt into the cover protection bolt hole in the T rail as shown Tighten securely with a ...

Page 10: ... connect the chain to the flat end of the shaft Figure 1 Check to make sure the chain is not twisted 5 Remove the screwdriver ATTACHING THE SPROCKET COVER Insert the back tab in the slot on the back of the mounting plate Squeeze the cover slightly and insert the front tab Figure 3 To avoid possible SERIOUS INJURY to fingers from moving garage door opener ALWAYS keep hand clear of sprocket while op...

Page 11: ...nced door may not reverse when required and could result in SEVERE INJURY or DEATH 3 All repairs to cables spring assemblies and other hardware MUST be made by a trained door systems technician BEFORE installing opener 4 Disable all locks and remove all ropes connected to garage door BEFORE installing opener to avoid entanglement 5 Install garage door opener 7 feet or more above floor 6 Mount emer...

Page 12: ...s shown Draw an intersecting horizontal line on the header wall 2 above the high point This height will provide travel clearance for the top edge of the door Proceed to Step 2 page 14 One piece door with horizontal track To prevent possible SERIOUS INJURY or DEATH Header bracket MUST be RIGIDLY fastened to structural support on header wall or ceiling otherwise garage door might not reverse when re...

Page 13: ... shown Measure the distance from the top of the door to the floor Subtract the actual height of the door Add 8 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 Do...

Page 14: ...arage Door Travel Vertical Center Line Header Wall Garage Door UP CEILING MOUNT ONLY Wall Mounting Holes Optional Wall Mounting Holes The nail hole is for positioning only You must use lag screws to mount the header bracket UP CEILING MOUNT ONLY Door Spring Header Bracket 2x4 Structural Support Vertical Center Line UP CEILING MOUNT ONLY Ceiling Mounting Holes The nail hole is for positioning only ...

Page 15: ...ve someone hold the opener securely on a temporary support to allow the rail to clear the spring Position the rail bracket against the header bracket Align the bracket holes and join with a clevis pin as shown Insert a ring fastener to secure Header Bracket Temporary Support Header Wall Garage Door Cable Pulley Bracket Clevis Pin 5 16 x2 3 4 Ring Fastener Header Bracket Cable Pulley Bracket T rail...

Page 16: ...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 Open the door all the way and place a 2x4 laid flat on the top section beneath the T rail If the top section or panel hits the trolley when you raise the door pull down on the trolley release arm to disconnect inner and outer sections Slide the outer tro...

Page 17: ... the T rail is centered over the door or in line with the header bracket if the bracket is not centered above the door 7 Remove the 2x4 Operate the door manually If the door hits the rail raise the header bracket 8 Grease the top and underside of the rail surface where the trolley slides with rail grease To avoid possible SERIOUS INJURY from a falling garage door opener fasten it SECURELY to struc...

Page 18: ...dware 1 Strip 1 4 of insulation from one end of the bell wire Connect it to the two screw terminals on the back of the door control by color white wire to 2 and white red wire to 1 2 Fasten the Lighted Door Control Button securely with 6ABx1 1 2 screws If installing into drywall drill 5 32 holes and use the anchors provided 3 Run the bell wire up the wall and across the ceiling to the opener Use i...

Page 19: ...f the red handle so NOTICE reads right side up as shown Secure with an overhand knot at least 1 from the end of the rope to prevent slipping Thread the other end of the rope through the hole in the release arm of the outer trolley Adjust rope length so the handle is 6 feet above the floor Secure with an overhand knot NOTE If it is necessary to cut the rope heat seal the cut end with a match or lig...

Page 20: ...the black line wire to the screw on the brass terminal the white neutral wire to the screw on the silver terminal and the ground wire to the green ground screw The opener must be grounded Reinstall the cover To avoid installation difficulties do not run the opener at this time RIGHT WRONG To prevent possible SERIOUS INJURY or DEATH from electrocution or fire Be sure power is not connected to the o...

Page 21: ...installed on the left or right of the door as long as the sun never shines directly into the receiving eye lens The mounting brackets are designed to clip onto the track of sectional garage doors without additional hardware If it is necessary to mount the units on the wall the brackets must be securely fastened to a solid surface such as the wall framing Extension brackets see accessories are avai...

Page 22: ...he track as shown in Figure 1 If your door track will not support the bracket securely wall installation is recommended Wall installation Place the bracket against the wall with curved arms facing the door Be sure there is enough clearance for the sensor beam to be unobstructed If additional depth is needed an extension bracket see Accessories or wood blocks can be used Use bracket mounting holes ...

Page 23: ... the sending eye wing nut and readjust aiming directly at the receiving eye Lock in place Loosen the receiving eye wing nut and adjust sensor until it receives the sender s beam When the green indicator light glows steadily tighten the wing nut TROUBLESHOOTING THE SAFETY SENSORS 1 If the sending eye indicator light does not glow steadily after installation check for Electric power to the opener A ...

Page 24: ...ding on your door s construction Metal or light weight doors using a vertical angle iron brace between the door panel support and the door bracket Drill 3 16 fastening holes Secure the door bracket using the two 1 4 14x5 8 self threading screws Figure 2A Alternately use two 5 16 bolts lock washers and nuts not provided Figure 2B Metal insulated or light weight factory reinforced doors Drill 3 16 f...

Page 25: ...the door if required for your installation Refer to the dotted line optional placement drawing Header Wall Vertical Centerline of Garage Door Finished Ceiling Optional Placement of Door Bracket Header Bracket Door Bracket 2x4 Support For a door with no exposed framing or for the optional installation use 5 16 x1 1 2 lag screws not provided to fasten door bracket METAL DOOR Top of Door Inside Garag...

Page 26: ...ure 3 Hole alignment alternative If holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 from the solid end Reconnect to trolley with cut end down as shown Bring arm sections together Find two pairs of holes that line up and join with bolts lock washers and nuts Pull the emergency release handle towards the opener at a 45 angle so that the trolley release arm is ...

Page 27: ...uals 2 of trolley travel Closed door adjustment decrease DOWN travel limit Turn the DOWN limit adjustment screw clockwise 5 complete turns 27 Nuts 5 16 18 Lock Washers 5 16 Ring Fastener Straight Arm Bolts 5 16 18x7 8 Door Bracket Clevis Pin 5 16 x1 1 4 Curved Door Arm Door Arm Door Arm Connector Hole Closed Door Fully Closed Trolley Fully Open Trolley Open Door Door with Backward Slant Door Arm C...

Page 28: ... completely Increase down travel Turn the down limit adjustment screw counterclockwise One turn equals 2 of travel If door still won t close completely and the trolley bumps into the pulley bracket see page 4 or 5 try lengthening the door arm page 26 and decreasing the down limit If the opener reverses in fully closed position Decrease down travel Turn the down limit adjustment screw clockwise One...

Page 29: ... Make small adjustments until the door completes a close cycle After each adjustment run the opener through a complete travel cycle Do not increase the force beyond the minimum amount required to close the door 2 Test the UP open force Grasp the door bottom when the door is about halfway through UP open travel The door should stop If the door is hard to hold or doesn t stop DECREASE UP open force ...

Page 30: ...ch board remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment IMPORTANT SAFETY CHECK Repeat Adjustment Steps 1 2 and 3 after Each adjustment of door arm length limits or force controls Any repair to or adjustment of the garage door including springs and hardware Any repair to or buckling of the garage floor Any repair to or adjustment of the opener ADJ...

Page 31: ...ged in when power is restored after interruption when the opener is activated Lights will also turn on when someone walks through the open garage door They will turn off automatically after 4 1 2 minutes Bulb size is 75 watts maximum IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of severe injury or death WARNING WARNING 1 READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS 2 ALWAYS keep remote contro...

Page 32: ...nt possible SERIOUS INJURY or DEATH from a falling garage door If possible use emergency release handle to disengage trolley ONLY when garage door is CLOSED Weak or broken springs or unbalanced door could result in an open door falling rapidly and or unexpectedly NEVER use emergency release handle unless garage doorway is clear of persons and obstructions NEVER use handle to pull door open or clos...

Page 33: ...d up of ice or snow under the door The door may be frozen to the ground Remove any restriction The garage door spring may be broken Have it replaced Repeated operation may have tripped the overload protector in the motor Wait 15 minutes and try again 2 Opener operates from the remote but not from the Door Control Is the door control lit If not remove the bell wire from the motor unit terminals Sho...

Page 34: ...adjustments to force or travel limits The need for occasional adjustment of the force and limit settings is normal Weather conditions in particular can affect door travel 11 The door reverses for no apparent reason and opener lights blink for 5 seconds after reversing Check the safety reversing sensor Remove any obstruction or align the receiving eye See Installation Step 10 12 The opener lights d...

Page 35: ... the Multi Function Door Control all three buttons are held 4 Release buttons when the motor unit lights blink It has learned the code If light bulbs are not installed two clicks will be heard KG KG 1 3 9 7 5 1 3 9 7 5 1 2 3 1 2 1 Press and release the learn button on the motor unit The learn indicator light will glow steadily for 30 seconds 2 Within 30 seconds press and hold the button on the han...

Page 36: ...r the present PIN then press and hold the button The opener light will blink twice Release the button 2 Press the new 4 digit PIN you have chosen then press Enter The motor unit lights will blink once when the PIN has been learned Test by pressing the new PIN then press Enter The door should move To set a temporary PIN You may authorize access by visitors or service people with a temporary 4 digit...

Page 37: ...RT NO NO DESCRIPTION 1 41A4166 Lighted door control button 2 41A5056 17 Single function remote control housing only no circuit board 3 10A20 3V2032 Lithium battery 4 29B137 Transmitter visor clip 5 41A2828 Manual release rope handle assembly 6 217A238 2 conductor bell wire white white red 7 41A4353 Header bracket w clevis pin fastener 8 41A5047 Door bracket w clevis pin fastener 9 178B35 Curved do...

Page 38: ...88 Light socket 7 108D36 Lens 8 30B363 Capacitor 1 2HP 9 12A373 Capacitor bracket 10 41A3150 Terminal block w screws KEY PART NO NO DESCRIPTION 11 41D3058 Universal replacement motor bracket assembly Complete with motor worm bracket bearing assembly RPM sensor 12 41R0370 15 Cover 13 41A2818 Helical gear retainer w grease 14 41D3452 Limit switch assembly 15 41C4398A RPM sensor assembly 16 41C4246 W...

Page 39: ...sensor installation onto the wall or floor To order call 1 800 528 9131 Motion Detecting Control Panel Multi function door control with motion sensor that automatically turns opener lights on for 5 minutes when it detects a person entering the garage Sensor can be easily deactivated when desired 3 Button Mini Remote Control with Security With key ring and velcro fastening strip 956CB 940CB 10 foot...

Page 40: ...MISUSE FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE OR ANY ALTERATIONS TO THIS PRODUCT LABOR CHARGES FOR DISMANTLING OR REINSTALLING A REPAIRED OR REPLACED UNIT REPLACEMENT OF BATTERIES AND LIGHT BULBS OR UNITS INSTALLED FOR NON RESIDENTIAL USE THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH OR RELATING TO THE GARAGE DOOR OR GARAGE DOOR HARDWARE INCLUDING BUT NOT LIMITED TO THE D...

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