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Chamberlain CG40DM User's Manual

1. Safety Reversing Sensor Invisible Light Beam 6 15 cm max above floor Protection Area RELY HL LPLLLLHLIELEA Facing the door from inside the garage 19 144111 HL Safety Reversing Sensor 6 15 cm max above floor 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 15 cm above the floor They may be installed in one of three ways as follows Garage door track installation preferred Slip the curved arms over the rounded edge of each door track with the curved arms facing the door Snap into place against the side of the track It should lie flush with the lip hugging the back edge of the track as shown in Figure 1 If your door track will not support the bracket securely wall installation is recommended Wall installation Figures 2 amp 3 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 e fadditional depth is needed an extension bracket see Accessories or wood blocks can be used Use bracket mounting holes as a template to locate and drill 2 3 16 diameter pilot holes on the wall at each side of the door no higher than 6 15 cm above the floor Attach brackets to wall with lag screws not prov
2. Curved Header Bracket Door Arm Rail 00000000000 Door Straight Emergency he Door Arm bia arage ope Door Cy Handle Carton Inventory Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below Accessories will depend on the model purchased If anything is missing carefully check the packing material D Lighted Door Control Button with 2 screws 6ABx1 1 2 2 Conductor Bell Wire White amp White Red Single Button Remote Control PARTS MAY BE STUCK IN THE FOAM Hardware for assembly and installation is shown on the next page Save the carton and packing material until installation and adjustment is complete Motor Unit with a Light Lens Cu Chain Spreader Trolley Idler Pulley Rail Front header Section Chain and Cable in Dispensing Carton Rail Center Back Sections e Se S e amp o 9 e 9 9 p 9 6 Curved Door Arm Section e Se 8 Straight Door Hanging Brackets Arm Section The Protector System 2 Safety Reversing Sensors 1 Sending Eye and 1 Receiving Eye with 2 Conductor White amp White Black Safety Reversing Sensor Bracket 2 Safety Labels and Literature Bell Wire attached Hardware Inventory Separate all hardware and group as shown below for the assembly and installation procedures ASSEMBLY HARDWARE Lock Washer 1 4 20 2 3 8 1
3. 14 Position the opener crensian anere aa 14 Hang the opener sse dr query e 15 Install the door control n anuanua 16 Install the light and lens 2205 17 Attach the emergency release rope and handle 17 Electrical requirements liliis 18 Install The Protector System lisse 19 22 Fasten the door bracket 23 24 Connect the door arm to the trolley 25 26 INTRODUCTION Safely Symbol and Signal Word Review Adjustment 27 29 Adjust the travel limits 00 00000 ue 27 Adjustthe TOPCO oe dat ME RED 28 Test the safety reversal system 29 Test The Protector System lliiiusuuue 29 Operation 30 34 Operation safety instructions 00 30 Using your garage door opener 30 Using the wall mounted Door Control 31 To open the door manually 31 Care of your garage door opener 32 Having a problem 2 0000200005 33 Diagnostic chart 00020200200005 34 Programming 35 36 To add or reprogram a hand held remote control 35 To erase all CodeS 2 200020002 202s 35 3 Button Remotes 0 0 000 cece ee eee 35 To add reprogram or change a Keyless Entry PIN 36 Repair Parts 37 38 Rail assembly parts noona nnana 37 Installation parts 02000200220005 37 M
4. Stop Bolt Lock Washers 5 16 Bolts 5 16 18x7 8 Door Figure 2 Bracket Pulley io 20 cm min Trolley Washers o Nuts JO 5 16 f 5 16 18 A Figure 3 CORRECT Curved Door Groove facing out Figure 4 ALL ONE PIECE DOOR Figure 5 d CORRECT INCORRECT 1 Assemble the door arm Figure 5 IMPORTANT The groove on the straight door arm MUST face away from the curved 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 clevis pin Secure with a ring fastener Door 2 Adjustment procedures Figure 6 On one piece doors before connecting the door arm to the trolley the travel limits must be adjusted Limit adjustment screws are located on the left side panel as shown on page 27 Follow adjustment Clevis Pin Straight procedures below 5 16 x1 1 4 Arm Open door adjustment decrease UP travel limit Bolts Zw Groove facing out Ring Fastener Lock Nuts Washers 5 16 18 Turn the UP limit adjustment screw counter 5 16 18x7 8 Curved clockwise 4 turns Door Arm Press the Door Control push button The trolley will Press the Door Control push button The trolley will travel to the fully open position travel to the fully closed position Manually raise the door to the
5. bracket securely to a structural support with the A ge hardware provided Header i 6 15 cm Maximum Ceiling Mounting Holes Door Lag Screws 5 16 9x1 5 8 Header Wall Garage Door Centerline of Garage Door 13 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 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 5 16 x1 1 2 as shown e Insert a ring fastener to secure HARDWARE SHOWN ACTUAL SIZE 3 Clevis Pin 5 16 x1 1 2 Ring Fastener 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 rail distance 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 a 2x4 laid flat on the top section beneath the rail e fthe 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 trolley towar
6. 10 After ANY adjustments are made the safety reversal system MUST be tested 11 Safety reversal system MUST be tested every month Garage door MUST reverse on contact with 1 1 2 high 3 8 cm object or a 2x4 laid flat on the floor Failure to adjust the garage door opener properly may cause SEVERE INJURY or DEATH ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED see page 3 An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH ALL repairs to cables spring assemblies and other hardware ALL of which are under EXTREME tension MUST be made by a trained door systems technician ALWAYS disconnect electric power to garage door opener BEFORE making ANY repairs or removing covers SAVE THESE INSTRUCTIONS 4 f the door has been stopped in a partially open position it will close 5 If obstructed while closing the door will reverse If the obstruction interrupts the sensor beam the opener lights will blink for five seconds 6 If obstructed while opening the door will stop 7 f fully open the door will not close when the beam is broken The sensor has no effect in the opening cycle If the sensor is not installed or is misaligned the door won t close from a hand held remote However you can close the door with the Door Control the Outside Keylock or Keyless Entry if you activate them until down travel is complete f you release them too soon the door will r
7. door Press the remote control push button to close the door The door will not move more than an inch 2 5 cm and the opener lights will flash The garage door opener will not close from a remote if the indicator light in either sensor is off alerting you to the fact that the sensor is misaligned or obstructed If the opener closes the door when the safety reversing sensor is obstructed and the sensors are no more than 6 15 cm above the floor call for a trained door systems technician 1 a HEEL Safety Reversing Sensor Safety Reversing Sensor 29 OPERATION IMPORTANT SAFETY INSTRUCTIONS A amp WARNING To reduce the risk of SEVERE INJURY or DEATH READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS 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 ONLY activate garage door when it can be seen clearly it is properly adjusted and there are no obstructions to door travel ALWAYS keep garage door in sight until completely closed NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR NO ONE SHOULD GO UNDER A STOPPED PARTIALLY OPENED DOOR If possible use emergency release handle to disengage trolley ONLY when garage door is CLOSED Weak or broken springs or
8. E Bolt 1 4 20x1 3 4 2 Mast o cicccccccrcccrccccccc R erat 1 Trolley Threaded Shaft 1 INSTALLATION HARDWARE Jmm 2 Q C Wing Nut Rin Nut 5 16 18 8 Carriage Bolt 1 4 20 2 g 8 Handle Fastener 3 1 4 20x1 2 2 gt TTD Fl Lock Washer 5 16 7 Insulated Lag Screw Hex Bolt Staples 30 5 16 9x1 5 8 2 5 16 18x7 8 4 ndn D LUE Lag Screw 5 16 18x1 7 8 2 Screw 6ABx1 1 4 2 Screw 6 32x1 2 im Self Threading Screw 1 4 14x5 8 2 g Clevis Pin Clevis Pin Clevis Pin 5 16 x1 1 2 1 5 16 x1 1 5 16 x1 1 4 1 Drywall Anchors 2 ASSEMBLY STEP 1 Assemble the Rail amp Install the Trolley 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 illustration The hole above this window is larger on the top of the rail than on the bottom A smaller hole 3 1 2 8 9 cm away is close to the rail edge Rotate the back rail so it has a similar hole close to the opposite edge about 4 3 4 12 cm from the far end 1 Remove the straight door arm and hanging bracket packaged inside the front rail and set aside for Installation Step 5 and 12 NOTE To prevent INJURY while unpacking the rail carefully remove the straight door arm stored within the rail section 2 Align the rail sections on a flat surface as shown and slide the tapered ends in
9. Connect the cable to the retaining slot on the trolley as shown Figure 1 From below push pins of master link bar up through cable link and trolley slot Push master link cap over pins and past pin notches Slide clip on spring over cap and onto pin notches until both pins are securely locked in place 3 With the trolley against the screwdriver dispense the remainder of the cable chain along the rail toward the motor unit into the slot on the chain spreader around the sprocket onto the chain spreader and continuing to the trolley assembly The sprocket teeth must engage the chain Figure 2 4 Check to make sure the chain is not twisted then connect it to the threaded shaft with the remaining master link 5 Thread the inner nut and lock washer onto the trolley threaded shaft Figure 3 6 Insert the trolley threaded shaft through the hole in the trolley Be sure the chain is not twisted Figure 4 7 Loosely thread the outer nut onto the trolley threaded shaft 8 Remove the screwdriver Chain Figure 2 Spreader U Bracket Bolt Motor Unit Sprocket Figure 4 10 4 amp WARNING To avoid possible SERIOUS INJURY to fingers from moving garage door opener e ALWAYS keep hand clear of sprocket while operating opener Securely attach chain spreader BEFORE operating Dispensing Carton Leave Chain and Cable Inside Dispensing Carton to Prevent Kinking Keep Chain and Cab
10. Strip 1 4 6 mm of insulation from each set of wires Separate white and white black wires sufficiently to connect to the opener terminal screws white to 2 and white black to 3 Figure 10 Figure 10 Connect Wire to Screw Terminals Bell Wire Finished Ceiling d nvisible Light Beam Safety o Safety Reversing Protection Area Reversing Sensor Sensor ALIGNING THE SAFETY REVERSING SENSORS Plug in the opener The indicator lights in both the sending and receiving eyes will glow steadily if wiring connections and alignment are correct The sending eye amber indicator light will glow regardless of alignment or obstruction If the green indicator light in the receiving eye is off dim or flickering and the invisible light beam path is not obstructed alignment is required Loosen 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 22 1 Strip wire 7 16 7 16 11 mm 11 mm LRL 2 Twist like colored wires together 3 Connect wire to the opener terminal screws white to 2 and white black to 3 Door Control Connections Sensor dotted lines Connections 1 z D S OPENER TERMINAL SCREWS TROUBLESHOOTING THE SAFETY REV
11. WHEN TO ADJUST THE FORCES 1 Test the DOWN close force Grasp the door bottom when the door is about halfway through DOWN close travel The door should reverse Reversal halfway through down travel does not guarantee reversal on a 1 1 2 3 8 cm obstruction See Adjustment Step 3 page 29 M the door is hard to hold or doesn t reverse DECREASE the DOWN close force by turning the control counterclockwise Make small adjustments until the door reverses normally After each adjustment run the opener through a complete cycle If the door reverses during the down close cycle and the opener lights aren t flashing INCREASE DOWN close force by turning the control clockwise 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 by turning the control counterclockwise Make small adjustments until the door stops easily and opens fully After each adjustment run the opener through a complete travel cycle If the door doesn t open at least 5 feet 1 5 m INCREASE UP open force by turning the control clockwise Make small adjustments until door opens completely Readju
12. opener e DO NOT use bulbs larger than 75W ONLY use A19 size bulbs 75 Watt Max Light Bulb Lens Tab 4 amp WARNING To prevent possible SERIOUS INJURY or DEATH from a falling garage door f 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 closed If rope knot becomes untied you could fall Release arm Emergency Release Handle ED Overhand Knot ey INSTALLATION STEP 9 Electrical Requirements 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 If the plug doesn t fit into the outlet you have contact a qualified electrician to install the proper outlet If permanent wiring is required by your local code refer to the following procedure To make a permanent connection through the 7 8 hole in the top of the motor unit Remove the motor unit cover screws and set the cover aside Remove the attached 3 prong cord Connect the black line wire to the screw on the brass terminal the white neutral wire to
13. service people with a temporary 4 digit PIN After a programmed number of hours or number of accesses this temporary PIN expires and will no longer open the door It can be used to close the door even after it has expired To set a temporary PIN 1 Press the four buttons for your personal entry PIN not the last temporary PIN then press and hold the button The opener light will blink three times Release the button 2 Press the temporary 4 digit PIN you have chosen then press Enter The opener light will blink four times 3 To set the number of hours this temporary PIN will Work press the number of hours up to 255 then press sk OR 3 To set the number of times this temporary PIN will work press the number of times up to 255 then press The opener light will blink once when the temporary PIN has been learned Test by pressing the four buttons for the temporary PIN then press ENTER The door should move If the temporary PIN was set to a certain number of openings remember that the test has used up one opening To clear the temporary password repeat steps 1 3 setting the number of hours or times to 0 in step 3 One Button Close Opener can be closed by pressing only the ENTER button if the one button close feature has been activated This feature has been activated at the factory To activate or deactivate this feature press and hold buttons 1 and 9 for 10 seconds The keypad will blink twice when
14. the one button close is active The keypad will blink four times when one button close is deactivated REPAIR PARTS Rail Assembly Parts KEY PART NO NO DESCRIPTION 4A1008 Master link kit 4105141 1 Complete trolley assembly 41A5665 2 Complete rail 144056 Idler pulley 41A5807 Chain and cable 12D598 1 U bracket NOT SHOWN 183A163 Wear pads KEY PART NO DESCRIPTION 4144166 Door control button 950D Single Button remote control 10A20 3V2032 Lithium battery 29B137 Remote control visor clip 41A2828 Emergency release rope and handle assembly 41B4494 1 2 conductor bell wire white and white red 41A5047 1 Door bracket w clevis pin amp fastener 41A5047 2 Header bracket w clevis pin amp fastener 41A5034 Safety reversing sensor kit receiving and sending eyes with 3 9 m 2 conductor bell wire 178B34 Straight door arm section 12B776 Hanging brackets 178B35 Curved door arm section 41A5266 1 Safety reversing sensor brackets 2 NOT SHOWN e 8 9 9 e S o 9 e 9 o 9 o 9 9 go 9 o 9 41A5258 22 Installation hardware bag includes hardware listed on page 7 11444281 Owner s manual 114A4281SP Owner s manual Spanish 37 Motor Unit Assembly Parts Down LIMIT SWITCH ASSEMBLY Contact Brown Wire Grey Wire Drive Gear Center Limit Up Yellow Contact Contact Wire KEY PART KEY PART NO NO DESCRIPTION NO NO DESCRIPTION 1 41A5615 Chain Spreade
15. to vehicles be sure fully open door provides adequate clearance 2 4 5 10 cm Cover Protection Bolt INCREASE TRAVEL DOWN UP e Ifthe door reverses when closing and there is no visible interference to travel cycle If the opener lights are flashing the Safety Reversing Sensors are either not installed misaligned or obstructed See Troubleshooting page 22 Test the door for binding Pull the emergency release handle Manually open and close the door If the door is binding or unbalanced call for a trained door systems technician If the door is balanced and not binding adjust the DOWN close force See Adjustment Step 2 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 Weather conditions can affect the door movement so occasional adjustment may be needed The maximum force adjustment range is about 3 4 of a complete turn Do not force controls beyond that point Turn force adjustment controls with a screwdriver NOTE If anything interferes with the door s upward travel it will stop If anything interferes with the door s downward travel including binding or unbalanced doors it will reverse HOW AND
16. touch wires together If motor unit activates replace door control If motor unit does not activate disconnect door control wires from motor unit Momentarily short across red and white terminals with jumper wire If motor unit activates replace door control wires Door control or wire shorted 4 FLASHES 5 0 Symptom Sending indicator light glows steadily receiving indicator light is dim or flashing Safety reversing sensors e Realign receiving eye sensor clean lens and secure brackets slightly misaligned dim or e Veri door facic firm dio walband d t flashing LED erify door track is firmly secured to wall and does not move 5 FLASHES 14 Symptom Motor has over heated the motor unit does not operate or trolley is stuck on stop bolt Motor unit hums briefly RPM Sensor Hee n or ee Short travel 6 8 15 20 cm to iios uu diu Unplug unit to reset Try to operate motor unit check diagnostic code e If itis still flashing 5 times and motor unit moves 6 8 15 20 cm replace RPM sensor f motor unit doesn t operate motor unit is overheated Wait 30 minutes and retry If motor unit still will not operate replace logic board 6 FLASHES r4 Symptom Motor unit doesn t operate Replace logic board because motor rarely fails Motor Circuit Failure Replace Receiver Logic Board 34 PROGRAMMING NOTICE If this SecuritydK garage door opener is operated with a non rolling code transmitter the technical measure i
17. unbalanced door could result in an open door falling rapidly and or unexpectedly causing SEVERE INJURY or DEATH NEVER use emergency release handle unless garage doorway is clear of persons and obstructions NEVER use handle to pull garage door open or closed If rope knot becomes untied you could fall Using Your Garage Door Opener Your Security4F opener and hand held remote control have been factory set to a matching code which changes with each use randomly accessing over 100 billion new codes Your opener will operate with up to eight Security remote controls and one Security Keyless Entry System If you purchase a new remote or if you wish to deactivate any remote follow the instructions in the Programming section Activate your opener with any of the following e The hand held Remote Control Hold the large push button down until the door starts to move The wall mounted Door Control Hold the push button or bar down until the door starts to move e The Keyless Entry See Accessories If provided with your garage door opener it must be programmed before use See Programming When the opener is activated with the safety reversing sensor correctly installed and aligned 1 If open the door will close If closed it will open 2 If closing the door will reverse 3 If opening the door will stop 9 If one control force or travel limits is adjusted the other control may also need adjustment
18. 14A4281B All Rights Reserved
19. 5 NN Hy X tension is normal pag pom Wall mounted Door Control Lookatthe garage door where it meets the floor Any gap between the floor and the bottom of the door must not exceed 1 4 6 mm Otherwise the safety reversal System may not work properly See Adjustment Step 3 Floor or door should be repaired SECTIONAL DOOR INSTALLATIONS e Do you have a steel aluminum fiberglass or glass panel door If so horizontal and vertical reinforcement is required Installation Step 11 The opener should be installed above the center of the door If there is a torsion spring or center bearing plate in the way of the header bracket it may be installed within 4 feet 1 22 m to the left or right of the door center See Installation Steps 1 and 11 e f your door is more than 7 feet 2 13 m high see rail extension kits listed on Accessories page FINISHED CEILING Support bracket amp fastening hardware is NN If Access Door Header CLOSED POSITION Bracket Trolley Stop Bolt Trolley Gap between floor and bottom of door must not exceed 1 4 6 mm Emergency Release Door Arm Door Bracket 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 Depend
20. ATION OPERATION OR CARE INCLUDING BUT NOT LIMITED TO ABUSE MISUSE FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE UNAUTHORIZED REPAIRS OR ANY ALTERATIONS TO THIS PRODUCT LABOR CHARGES FOR 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 DOOR SPRINGS DOOR ROLLERS DOOR ALIGNMENT OR HINGES THIS LIMITED WARRANTY ALSO DOES NOT COVER ANY PROBLEMS CAUSED BY INTERFERENCE ANY SERVICE CALL THAT DETERMINES THE PROBLEM HAS BEEN CAUSED BY ANY OF THESE ITEMS COULD RESULT IN A FEE TO YOU UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL INCIDENTAL OR SPECIAL DAMAGES ARISING IN CONNECTION WITH USE OR INABILITY TO USE THIS PRODUCT IN NO EVENT SHALL SELLER S LIABILITY FOR BREACH OF WARRANTY BREACH OF CONTRACT NEGLIGENCE OR STRICT LIABILITY EXCEED THE COST OF THE PRODUCT COVERED HEREBY NO PERSON IS AUTHORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT Some states do not allow the exclusion or limitation of consequential incidental or special damages so the above limitation or exclusion may not apply to you This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state 2011 The Chamberlain Group Inc 1
21. CHAMBERLAIN EU a Larch Avene Elmhurst Illinois 60126 1196 SECURITY mia www chamberlain com c UL us GARAGE DOOR OPENER Model CG40DM 1 2 HP For Residential Use Only Owner s Manual E Please read this manual and the enclosed safety materials carefully Bl Fasten the manual near the garage door after installation E The door WILL NOT CLOSE unless The Protector System is connected and properly aligned E Periodic checks of the opener are required to ensure safe operation Bl The model number label is located on the front panel of your opener TABLE OF CONTENTS Introduction 2 7 Safety symbol and signal word review 2 Preparing your garage door 22205 3 Tools ne ded s 1rd eto RRREXCE N RISEDOP E 3 Planning ee suse od wa RR et Rr e 4 5 Carton inventory iot cng aces cadead es er medion has 6 Hardware inventory 00 eee eee eee 7 Assembly 8 11 Assemble the rail and install the trolley 8 Fasten the rail to the motor unit and install the idler Pulley erre Uer EERIVeRHR 9 Install the chain cable 22220 10 Tighten the chain se RR 11 Installation 11 26 Installation safety instructions 11 Determine the header bracket location 12 Install the header bracket 2 13 Attach the rail to the header bracket
22. ERSING SENSORS 1 If the sending eye indicator light does not glow steadily after installation check for Electric power to the opener e A short in the white or white black wires These can occur at staples or at opener connections Incorrect wiring between sensors and opener Abroken wire 2 If the sending eye indicator light glows steadily but the receiving eye indicator light doesn t Check alignment Check for an open wire to the receiving eye 3 If the receiving eye indicator light is dim realign either sensor NOTE When the invisible beam path is obstructed or misaligned while the door is closing the door will reverse If the door is already open it will not close The opener lights will blink 10 times See page 19 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 Figure 1 shows one piece of angle iron as the horizontal brace For the vertical brace 2 pieces of angle iron are used to create a U shaped support The best solution is to check with your garage door manufacturer for an opener installation door reinforcement kit NOTE Many door reinforcement kits provide for direct attachment of the clevis pin and door arm In this cas
23. ON Selling prices will be furnished on request or parts will SPANS AMERICA be shipped at prevailing prices and you will be billed accordingly INSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE SIMPLY DIAL OUR TOLL WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FREE NUMBER FOLLOWING INFORMATION PART NUMBER 1 800 528 9131 e PART NAME MODEL NUMBER www chamberlain com ADDRESS ORDERS TO THE CHAMBERLAIN GROUP INC Technical Support Group For professional installation parts and service 6050 S Country Club Road contact your local CHAMBERLAIN dealer Look for him Tucson Arizona 85706 in the Yellow Pages or call our Service number for a SERVICE INFORMATION TOLL FREE NUMBER list of dealers in your area 1 800 528 9131 CHAMBERLAIN GARAGE DOOR OPENER ONE YEAR LIMITED WARRANTY FOUR YEAR MOTOR 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 is free from defect in materials and or workmanship for a period of one year from the date of purchase and that the motor is free from defect in materials and or workmanship for a period of four years from the date of purchase The proper operation of this product is dependent on your compliance with the instructions regarding installation operation maintenance and testing Failure to comply strictly with those instructions will void this limited warra
24. anging brackets should be angled supports of the garage Concrete anchors MUST be Figure 1 to provide rigid support On finished ceilings used if installing any brackets into masonry Figure 2 and Figure 3 attach a sturdy metal bracket to structural supports before installing the opener This bracket and fastening hardware are not provided Figure 1 1 Measure the distance from each side of the motor unit Structural to the structural support Supports 2 Cut both pieces of the hanging bracket to required lengths 3 Drill 3 16 pilot holes in the structural supports Ww b PE 4 Attach one end of each bracket to a support with Masur N i x 5 16 18x1 7 8 lag screws Bolt 5 16 18x7 8 n 5 Fasten the opener to the hanging brackets with Lock Washer 5 16 5 16 18x7 8 hex bolts lock washers and nuts Nut 5 16 18 6 Check to make sure the rail is centered over the door or in line with the header bracket if the bracket is not centered above the door Figure 2 Hidden 7 Remove the 2x4 Operate the door manually If the Support door hits the rail raise the header bracket Bracket n Not Provided __ Seat NOTE DO NOT connect power to opener at this time ee BEST eT Not Provided Bolt 5 16 18x7 8 Lock Washer 5 16 Nut 5 16 18 HARDWARE SHOWN ACTUAL SIZE Bolt 5 16 18x7 8 NN i 7 9 Lock Washer 5 16 Lag Screw 5 16 18x1 7 8 Nut 5 16 18 Hex Bolt 5 16 18x7 8 Lock Washer Nut 5 16 5 16 18
25. ation as the door is being opened or closed from the fully open position Inner Trolley Outer Trolley Closed Release Door Handle Inner Trolley e Trolley i lei Correct Angle oo a art ose a Door with Backward Slant Incorrect Open Door 26 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 Does the door open and close completely Does the door stay closed and not reverse unintentionally when fully closed If your door passes both of these tests no limit adjustments are necessary unless the reversing test fails Adjustment Step 3 page 29 Adjustment procedures are outlined below Read the procedures carefully before proceeding to Adjustment Step 2 Use a screwdriver to make limit adjustments Run the opener through a complete travel cycle after each adjustment NOTE Repeated operation of the opener during adjustment procedures may cause the motor to overheat and shut off Simply wait 15 minutes and try again If anything interferes with the door s upward travel it will stop If anything interferes with the door s downward travel including binding or unbalanced doors it will reverse HOW AND WHEN TO ADJUST THE LIMITS o Ifthe door does not open completely bu
26. bstruction the other control may also need adjustment ADJUST After ANY adjustments are made the safety reversal system MUST be tested Door MUST e If the door stops on the obstruction it is not traveling reverse on contact with 1 1 2 high 3 8 cm object far enough in the down direction Reconduct or 2x4 laid flat on the floor Adjustment Steps 1 and 2 NOTE On a sectional door make sure limit adjustments do not force the door arm beyond a straight up and down position See the illustration on page 25 Repeat the test e When the door reverses on the 1 1 2 3 8 cm board remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment e fthe unit continues to fail the Safety Reverse Test call for a trained door systems technician IMPORTANT SAFETY CHECK Test the Safety Reverse System after Each adjustment of door arm length limits or force controls Any repair to or adjustment of the garage door including springs and hardware e Any repair to or bucking of the garage floor 71 2 3 8 cm board Any repair to or adjustment of the opener or a 2x4 laid flat ADJUSTMENT STEP 4 A WARNING Test The Protector Sy sfent Without a properly installed safety reversing sensor Press the remote control push button to open the door persons particularly small children could be e Place the opener carton in the path of the door SERIOUSLY INJURED or KILLED by a closing garage
27. ck washers and nuts not provided or 5 16 x1 1 2 lag screws not provided depending on your installation needs NOTE The door bracket may be installed on the top edge of the door if required for your installation Refer to the dotted line optional placement drawing Finished Ceiling Header Wall Header e Bracket 9x4 Support imu Door Bracket Optional WOOD DOOR HORIZONTAL Placement of AND VERTICAL Door Bracket REINFORCEMENT IS NEEDED FOR LIGHTWEIGHT GARAGE DOORS FIBERGLASS ALUMINUM STEEL DOORS Vertical WITH GLASS PANEL ETC Centerline of NOT PROVIDED Garage Door For a door with no exposed framing or for the optional installation use lag screws 5 16 x1 1 2 ot Provided to fasten door bracket 24 HARDWARE SHOWN ACTUAL SIZE Self Threading Screw 1 4 14x5 8 q Self Threading Screw 1 4 14x5 8 Top of Door Inside Garage Top of Door Inside Garage Optional Placement Carriage Bolt 5 16 x2 Not Provided WOOD DOOR 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 Slide the outer trolley back away from the pulley about 8 20 cm as shown in Figures 1 2 a
28. d the motor unit The trolley can remain disconnected until Installation Step 12 is completed emaje 9 Trolley U ENGAGED of RELEASED Release Arm ONE PIECE DOOR WITHOUT TRACK A 2x4 on its side is convenient for setting an ideal door to rail distance 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 a 2x4 on its side on the top section of the door beneath the rail Thetop of the door should be level with the top of the motor unit Do not position the opener more than 4 10 cm above this point Header Wall Header Bracket Idler Pulley Ring Fastener Clevis Pin Mounting Garage Door Opener Carton or Temporary Support CAUTION To prevent damage to garage door rest garage door opener rail on 2x4 placed on top section of door Ds 2x4 is used to determine the correct mounting height from ceiling Door Header Bracket a Top of Door I g A T 2x4 is used to determine the correct mounting height from ceiling INSTALLATION STEP 5 Hang the Opener To avoid possible SERIOUS INJURY from a falling Three representative installations are shown Yours may garage door opener fasten it SECURELY to structural be different H
29. djust garage door door If balanced it should stay in place supported door springs cables pulleys brackets or their entirely by its springs hardware ALL of which are under EXTREME 2 Raise and lower the door to see if there is any tension binding or sticking Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing and operating garage door opener to avoid entanglement CAUTION To prevent damage to garage door and opener e ALWAYS disable locks BEFORE installing and operating the opener ONLY operate garage door opener at 120V 60 Hz to avoid malfunction and damage If your door binds sticks or is out of balance call a trained door systems technician Sectional Door One Piece Door Tools needed During assembly installation and adjustment of the opener instructions will call for hand tools as illustrated below 7 S one 00 Level optional Pencil S37 Tape Measure Hack Saw CQ 50 13 SS Claw Hammer Drill Bits Wire Cutters 3 16 5 16 and 5 32 Screwdriver esc OU gc ockets and Wrench i Stepladder Og Peo nae OH Pliers Adjustable End Wrench and 1 4 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 t
30. e you will not need the door bracket proceed to Step 12 SECTIONAL DOORS 1 Center the door bracket on the previously marked vertical centerline used for the header bracket installation Note correct UP placement as stamped inside the bracket Position the top edge of the bracket 2 4 5 10 cm below the top edge of the door OR directly below any structural support across the top of the door Mark drill holes and install as follows depending 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 fastening holes Secure the door bracket using the self threading screws Figure 3 Wood Doors Use top and bottom or side to side door bracket holes Drill 5 16 holes through the door and secure bracket with 5 16 x2 carriage bolts lock washers and nuts not provided Figure 4 NOTE The 1 4 14x5 8 self threading screws are not intended for use on wood doors e e HARDWARE SHOWN ACTUAL SIZE Self Threading Screw 1 4 14x5 8 23 CAUTION Fiberglass aluminum or lightweight steel garage doors WILL REQUIRE reinforcement BEFORE in
31. e of garage door Upon completion of installation test safety reversal system Door MUST reverse on contact with a 1 1 2 3 8 cm high object or a 2x4 laid flat on the floor finished INSTALLATION STEP 1 puse OPTIONAL CEILING Determine the Header Bracket Location MOUNT FOR Header HEADER 4 amp WARNING wal BAM Vertical Centerline To prevent possible SERIOUS INJURY or DEATH of Garage Door Header bracket MUST be RIGIDLY fastened to 2x4 Structural structural support on header wall or ceiling Supports 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 into masonry NEVER try to loosen move or adjust garage IWI yg SS door springs cables pulleys brackets or their optional hardware ALL of which are under EXTREME tension ALWAYS call a trained door systems technician if garage door binds sticks or is out of balance An unbalanced garage door might NOT reverse when required DOES Installation procedures vary according to garage door types Follow the instructions which apply to your door 1 Close the door and mark the inside vertical centerline of the garage door 2 Extend the line onto the header wall above the door cz 2 5 cm You can fasten the header bracket within 4 feet 1 22 m of the left or right o
32. en power is connected Then the light will turn OFF Use standard neck Garage Door Opener bulbs for replacement NOTE Use only standard light bulbs The use of short neck or specialty light bulbs may overheat the endpanel or light socket INSTALL THE LENS Locate and loosen approximately 1 8 3 mm the two screws near top of opener front panel Position lens against panel with slotted tabs directly below screws Slide lens up to seat tabs behind screws e Snap bottom tabs of lens into panel slots Retighten top panel screws to secure lens INSTALLATION STEP 8 Attach the Emergency Release Rope and Handle Thread one end of the rope through the hole in the top of the red handle so NOTICE reads right side up as shown Secure with an overhand knot at least 1 2 5 cm 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 1 83 m above the floor Ensure that the rope and handle clear the tops of all vehicles to avoid entanglement Secure with an overhand knot NOTE If it is necessary to cut the rope heat seal the cut end with a match or lighter to prevent unraveling 17 CAUTION To prevent possible OVERHEATING of the endpanel or light socket e DO NOT use short neck or specialty light bulbs DO NOT use halogen bulbs Use ONLY incandescent To prevent damage to the
33. equipped with a security light feature This feature activates the light on when the safety sensor beam has been obstructed 33 s BellWire ea eR 0 ed Mp E p IY L L ON L LLL e Mlm i Learn S S Button i uo UE e Diagnostic LED Safety Reversing Sensor Sending Eye Safety Reversing Sensor Amber Indicator Light Receiving Eye Safety Reversing Sensor Green Indicator Light 6 My motor unit hums briefly e First verify that the trolley is against the stop bolt Release the door from the opener by pulling the Emergency Release Rope Manually bring the door to a closed position Loosen the chain by adjusting the outer nut 4 to 5 turns This relieves the tension Run the motor unit from the remote control or door control The trolley should travel towards the door and stop If the trolley re engages with the door pull the Emergency Release Rope to disengage Decrease the UP travel by turning the UP Travel adjustment screw 2 full turns away from the arrow Re tighten the outer nut so the chain is a 1 4 6 mm above the base of the rail When the door is reconnected and closed the chain will sag This is normal If the trolley does not move away from the bolt repeat the steps above te Bell Wire MT et Installed Safety Reversing Sensor Diagnostics Located On Motor Un
34. everse The opener lights will turn on under the following conditions when the opener is initially plugged 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 It will turn off automatically after 4 1 2 minutes Bulb size is A19 Bulb power is 75 watts maximum 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 31 To Open the Door Manually 4 amp WARNING To prevent possible SERIOUS INJURY or DEATH from a falling garage door e 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 closed If rope knot becomes untied you could fall DISCONNECT THE TROLLEY The door should be fully closed Trolley if possible Pull down on the emergency release handle so that the trolley release arm snaps into a vertical position Trolley and lift the door manually Release Arm The lockout feature prevents n Manual 2 isconnect the trolley from reconnecting Position automatically and the door can be raised and l
35. f Figure 3 Lag Screws n Eo 5 16 18x1 7 8 2 77 L2 Bolt 5 16 18x7 8 Lock Washer 5 16 Nut 5 16 18 Not Provided Bolt 5 16 18x7 8 5 Lock Washer 5 16 Ste o 9N Nut 5 16 18 15 INSTALLATION STEP 6 Install the Door Control Locate door control within sight of door at a minimum height of 5 feet 1 5 m where small children cannot reach and away from all moving parts of door and door hardware 1 Strip 1 4 6 mm 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 insulated staples to secure the wire in several places Be careful not to pierce the wire with a staple creating a short or open circuit 4 Receiver terminal screws and the antenna are located on the back panel of the motor unit Position the antenna wire as shown 5 Then connect the bell wire to the opener terminal screws white to 2 and white red to 1 6 Use tacks or staples to permanently attach the entrapment warning label to the wall near the door control and the manual release safety reverse test in a prominent location on the inside of the garage door NOTE DO NOT connect the power and operate t
36. f the door center only if a torsion spring or center bearing plate is in the way or you can attach it to the ceiling see page 13 when clearance is minimal It may be mounted on the wall upside down if necessary to gain approximately 1 2 1 cm If you need to install the header bracket on a 2x4 on wall or ceiling use lag screws not provided Sectional door with One piece door with to securely fasten the 2x4 to structural supports as curved track horizontal track shown here and on page 13 3 Open your door to the highest point of travel as shown Draw an intersecting horizontal line on the header wall above the high point Header Wall e 2 b cm above the high point for sectional door Header Wall and one piece door with track f 20 cm fer e 8 20 cm above the high point for one piece door m 8 20cm without track This height will provide travel clearance for the top edge of the door NOTE If the total number of inches exceeds the height Jamb Header Wall 5 cm Track Track Highest Point of Travel Highest Point of Travel T Door Highest Point of Travel available in your garage use the maximum height Hardware Migne al possible or refer to page 13 for ceiling installation Travel Pivot One piece door without track One piece door without track jamb hardware pivot hardware 12 Wall Mount INSTALLATION STEP 2 I
37. he opener at this time The trolley will travel to the full open position but will not return to the close position until the sensor beam is connected and properly aligned Bell Wire v S Lighted Door Control Button Terminal Screws Lighted Door Control Button Bell Wire To prevent possible SERIOUS INJURY or DEATH from electrocution e Be sure power is NOT connected BEFORE installing door control e Connect ONLY to 24 VOLT low voltage wires To prevent possible SERIOUS INJURY or DEATH from a closing garage door Install door control within sight of garage door out of reach of children at a minimum height of 5 feet 1 5 m and away from ALL moving parts of door NEVER permit children to operate or play with door control push buttons or remote control transmitters Activate door ONLY when it can be seen clearly is properly adjusted and there are no obstructions to door travel ALWAYS keep garage door in sight until completely closed NEVER permit anyone to cross path of closing garage door HARDWARE SHOWN ACTUAL SIZE juua MIL Drywall Anchors Insulated Staples 5 SEED Screw 6ABx1 1 2 Lighted Door Control Button Opener Terminal Screws Antenna INSTALLATION STEP 7 Install the Light and Lens INSTALL THE LIGHT Install an A19 standard neck 75 watt maximum light bulb in the socket The light will turn ON and remain lit for approximately 4 1 2 minutes wh
38. his page and the accompanying illustrations as you proceed with the installation of your opener Depending on your requirements there are several installation steps which may call for materials or hardware not included in the carton Installation Step 1 Look at the wall or ceiling above the garage door The header bracket must be securely fastened to structural supports Installation Step 5 Do you have a finished ceiling 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 7702CB Emergency Key Release is required See Accessories page SECTIONAL DOOR INSTALLATION _ is needed for lightweight garage doors fiberglass steel aluminum door with Im ZEE m ine of Door H Safety Reversing Sensor when garage door is closed glass panels etc See page 23 for details j pur ae E n Extension Spring m Ss Motor Unit OR sop Torsion Spri ng Horizontal and vertical reinforcement Slack in chain required See page 1
39. ice persons This temporary password can be limited to a programmable number of hours or entries 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 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 Garage Door Monitor Monitors the status of your garage door from inside your home 39 7702CB 760CB 7708CB FA TT10CB EZ 41A5281 Outside Quick Release Required for a garage with NO access door Outdoor Key Switch Operates the garage door automatically from outside when remote control is not handy 8 Foot 2 4 m Rail Extension To allow an 8 foot 2 4 m door to open fully 10 Foot 3 m Rail Extension To allow a 10 foot 3 m door to open fully Extension Brackets Optional For safety sensor installation onto the wall or floor To order call 1 800 528 9131 Remote Light Control Enables homeowner to turn ona lamp television or other appliance from their car with their garage door opener remote or from anywhere in their home with an additional Chamberlain Security remote CHAMBERLAIN SERVICE HOW TO ORDER IS ON CALL REPAIR PARTS OUR LARGE SERVICE ORGANIZATI
40. ided e f using extension brackets or wood blocks adjust right and left assemblies to the same distance out from the mounting surface Make sure all door hardware obstructions are cleared Floor installation Figure 4 Use wood blocks or extension brackets see Accessories to elevate sensor brackets so the lenses will be no higher than 6 15 cm above the floor e Carefully measure and place right and left assemblies at the same distance out from the wall Be sure all door hardware obstructions are cleared Fasten to the floor with concrete anchors as shown HARDWARE SHOWN ACTUAL SIZE Carriage Bolt Wing Nut 1 4 20x1 2 1 4 20 Staples 20 Figure 1 DOOR TRACK MOUNT RIGHT SIDE Door Track Indicator Safety Reversing Sensor Bracket Figure 2 WALL MOUNT RIGHT SIDE Fasten Wood Block to Wall with Lag Screws Not Provided Indicator Safety Reversing Sensor Bracket Lag Soreys _ Not Provided a Lens Figure 3 WALL MOUNT RIGHT SIDE inside Extension Bracket gara9 See Accessories wall Provided with Extension Bracket 9 3 Safety Reversing Sensor Bracket Provided with Extension Bracket Indicator Light Figure 4 FLOOR MOUNT RIGHT SIDE Attach with Concrete Anchors Not Provided Indicator Light Safety Reversing Sensor Bracket MOUNTING AND WIRING THE SAFETY REVERSING SENSORS M
41. ign the rail assembly with the top of the motor unit Slide the rail end onto the U bracket all the way to the stops that protrude on the top and sides of the bracket Bolt Attach spreader to the motor unit with two screws Cover Protection Bolt Hole oO SLIDE RAIL TO STOPS Lock Nut ON TOP AND SIDES OF BRACKET Bolt 1 4 20x1 3 4 ASSEMBLY STEP 3 Chain and Install the Idler Pulley e Lay the chain cable beside the rail as shown Grasp the end of the cable and pass approximately 12 30 cm of cable through the window Allow it to hang until Assembly Step 5 Remove the tape from the idler pulley The inside center should be pre greased If dry regrease to ensure proper operation Place the idler pulley into the window as shown Insert the idler bolt from the top through the rail and pulley Tighten with a 3 8 lock washer and Kj nut underneath the rail until the lock washer is Lock compressed Washer 9 Sue e Rotate the pulley to be sure it spins freely ai 9 Nut 3 8 Insert a 1 4 20x1 3 4 bolt into the trolley stop hole in Cable Link the front of the rail as shown Tighten securely with a idler 9 Lock 1 4 20 lock nut Pulley Nut HARDWARE SHOWN ACTUAL SIZE Bolt 1 4 20x1 3 4 J LN 7 Y A P Lock Washer 3 8 Lock Nut 1 4 20 Nut 3 8 Idler Bolt ASSEMBLY STEP 4 Install the Chain Cable 1 Pull the cable around the idler pulley and toward the trolley 2
42. ing on your door s construction you may need additional mounting hardware for the door bracket Step 11 4 amp WARNING Without a properly working safety reversal system persons particularly small children could be SERIOUSLY INJURED or KILLED by a closing garage door The gap between the bottom of the garage door and the floor MUST NOT exceed 1 4 6 mm Otherwise the safety reversal system may NOT work properly The floor or the garage door MUST be repaired to eliminate the gap ONE PIECE DOOR WITHOUT TRACK Iaa Door 2224728 FINISHED CEILING Support bracket amp fastening hardware is required See page 15 pad Access Slack in chain tension is normal when garage door is closed Motor Unit Wall mounted Door Control CLOSED POSITION lee 3 Gap between floor and bottom of door must not exceed 1 4 6 mm Safety Reversing Sensor ONE PIECE DOOR WITH TRACK Header Wall Access Door Safety Reversing Sensor Gap between floor and bottom of door must not exceed 1 4 6 mm Safety Reversing Sensor Safety Reversing Sensor Emergency Release Rope amp Handle Straight Door Arm c rved Door Arm Garage Door CLOSED POSITION Trolley Stop Bolt Cable c In
43. it Your garage door opener is programmed with self diagnostic capabilities The Learn button diagnostic l j LED will flash a number of times then pause signifying Diagnostic Safely Reversing Sensor LED it has found a potential issue Consult Diagnostic Chart Diagnostic Chart below 1 FLASH Symptom One or both of the Indicator lights on the safety reversing sensors x do not glow steady Safety reversing sensors wire m os 0 i nspect sensor wires for a short staple in wire correct wiring polarity pen broken or disconnected AUS black white wires reversed broken or disconnected wires replace attach OR as needed 2 FLASHES Disconnect all wires from back of motor unit Remove sensors from brackets and shorten sensor wires to 1 2 ft Safety reversing sensors 30 60 cm from back each of sensor wire shorted or black white wire reversed Reattach sending eye to motor unit using shortened wires If sending eye indicator light glows steadily attach the receiving eye Align sensors if the indicator lights glow replace the wires for the sensors If the sensor indicator lights do not light replace the safety reversing Sensors 3 FLASHES A Symptom LED is not lit on door control e Inspect door control wires for a short staple in wire replace as needed e Disconnect wires at door control
44. it lights blink It SN has learned the code If light n pm bulbs are not installed two 2 S clicks will be heard 35 operate it Additional buttons on any Security 3 Button remote or mini remote can be programmed to operate other Security garage door openers To Add Reprogram 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 2 Within 30 seconds enter a four digit personal identification number PIN of your choice on the keypad Then press and hold the enter button 3 Release the button when the motor unit lights blink It has learned the code If light bulbs are not installed two clicks will be heard To change an existing known PIN If the existing PIN is known it may be changed by one person without using a ladder 1 Press the four buttons for 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
45. le Taut When Dispensing Figure 1 Master Link ee Clip On Spring 117 Link Cap Master Link Master Clip On Spring c Cap 11 Pin Notch otted Round Hole Hole Master s Link Bar Master Cable Link Bar Figure 3 er Threaded et Inner Nut uL Lock sie 16 Washer ASSEMBLY STEP 5 Tighten the Chain 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 Figure 1 When the chain is approximately 1 4 6 mm above the base of the rail at its midpoint re tighten the inner nut to secure the adjustment Sprocket noise can result if chain is too loose When installation is complete you may notice some chain droop with the door closed This is normal If the chain returns to the position shown in Figure 2 when the door is open do not re adjust the chain NOTE During future maintenance ALWAYS pull the emergency release handle to disconnect trolley before adjusting chain You may notice loosening of chain after Adjustment Step 3 Test the Safety Reversal System Check for proper tension and readjust chain if necessary Then repeat Adjustment Step 3 You have now finished assembling your garage door opener Please read the following warnings before proceeding to the installation section INSTALLATION Figure 1 Nut Lock Washer Trolley Threaded lt _ To Tighten Inne
46. n the receiver of the garage door opener which provides security against code theft devices will be circumvented The owner of the copyright in the garage door opener does not authorize the purchaser or supplier of the non rolling code transmitter to circumvent that technical measure Your garage door opener has already been programmed at the factory to operate with your hand held remote control The door will open and close when you press the large push button Below are instructions for programming your opener to operate with additional SecuritysF remote controls To Add or Reprogram a Hand held Remote Control USING THE LEARN BUTTON To Erase All Codes From Motor Unit Memory To deactivate any unwanted remote first erase all codes Press and hold the learn button on motor unit until the learn indicator light goes out approximately 6 seconds All previous codes are now erased Reprogram each remote or keyless entry you wish to use 1 Press and release the learn 3 Button Remotes button on the motor unit The learn indicator light will glow steadily for 30 seconds If provided with your garage door opener the large button is factory programmed to Sea Within 30 seconds press and hold the button on the hand held remote that you wish to operate your garage door Release the button when the motor un
47. nd 3 Figure 1 Fasten straight door arm section to outer trolley with the 5 16 x1 clevis pin Secure the connection with a ring fastener Fasten curved section to the door bracket in the same way using the 5 16 x1 1 4 clevis pin IMPORTANT The groove on the straight door arm MUST face away from the curved door arm Figure 4 Figure 2 Bring arm sections together Find two pairs of holes that line up and join sections Select holes as far apart as possible to increase door arm rigidity Figure 3 Hole alignment alternative e f holes in curved arm are above holes in straight arm disconnect straight arm Cut about 6 15 cm 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 toward the opener at a 45 angle so that the trolley release arm is horizontal Proceed to Adjustment Step 1 page 27 Trolley will re engage automatically when opener is operated HARDWARE SHOWN ACTUAL SIZE CO Ring Fastener Nut 5 16 18 Clevis Pin 5 16 x1 1 4 Door Bracket Lock Washer 5 16 Hex Bolt 5 16 18x7 8 Clevis Pin 5 16 x1 Trolley Pulley Outer Trolley ae Ring Clevis Pin Fastener ley 5 16 x1 Emergency Door Release Handle Bracket Clevis Pin 5 16 x1 1 4 Figure 1 Pulley IH ep ep ep qp
48. nstall 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 If installing into masonry use concrete anchors not provided WALL HEADER BRACKET INSTALLATION Center the bracket on the vertical centerline with the bottom edge of the bracket on the horizontal line as shown with the arrow pointing toward the ceiling Mark the vertical set of bracket holes Drill 3 16 pilot Header Wall holes and fasten the bracket securely to a structural support with the hardware provided 2x4 Structural Support Optional Mounting Holes Vertical Centerline of Garage Door HARDWARE SHOWN ACTUAL SIZE iut Lag Screws 5 16 9x1 5 8 Lag Screw 5 16 9x1 5 8 Door Spring Highest Point of Garage Door Garage Door Travel Vertical Centerline of Garage Door CEILING HEADER BRACKET INSTALLATION e Extend the vertical centerline onto the ceiling as shown e Center the bracket on the vertical mark no more than 6 15 cm from the wall Make sure the arrow is pointing away from the wall The bracket can be mounted flush against the ceiling when clearance m d Finished Ceiling is minimal 2 7 2772 Vertical Centerline e Mark the side holes Drill 3 16 pilot holes and fasten 7 d of Garage Door
49. nty in its entirety If during the limited warranty period this product appears to contain a defect covered by this limited warranty call 1 800 528 9131 toll free before dismantling this product Then send this product pre paid and insured to our service center for warranty repair You will be advised of shipping instructions when you call Please include a brief description of the problem and a dated proof of purchase receipt with any product returned for warranty repair Products returned to Seller for warranty repair which upon receipt by Seller are confirmed to be defective and covered by this limited warranty will be repaired or replaced at Seller s sole option at no cost to you and returned pre paid Defective parts will be repaired or replaced with new or factory rebuilt parts at Seller s sole option ALL IMPLIED WARRANTIES FOR THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE ONE YEAR LIMITED WARRANTY PERIOD SET FORTH ABOVE EXCEPT THE IMPLIED WARRANTIES WITH RESPECT TO THE MOTOR WHICH ARE LIMITED IN DURATION TO THE FOUR YEAR LIMITED WARRANTY PERIOD FOR THE MOTOR AND NO IMPLIED WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD Some States do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you THIS LIMITED WARRANTY DOES NOT COVER NON DEFECT DAMAGE DAMAGE CAUSED BY IMPROPER INSTALL
50. oor opener will move in the down direction Verify the safety sensors are properly installed aligned and free of any obstructions Refer to Installation Step 10 Install The Protector Systeme Check diagnostic LED for flashes on the motor unit then refer to the Diagnostic Chart on the following page My remotes will not activate the door Reprogram remotes following the programming instructions Refer to Programming f remote will still not activate your door check diagnostic LED for flashes on motor unit then refer to Diagnostic Chart on the following page My door reverses for no apparent reason Repeat safety reverse test after adjustments to force or travel limits The need for occasional adjustment for the force and limit settings is normal Weather conditions in particular can affect door travel Manually check door for balance or any binding problems Refer to Adjustment Step 2 Adjust the Force My door reverses for no apparent reason after fully closing and touching the floor Repeat safety reverse test after adjustments to force or travel limits The need for occasional adjustment for the force and limit settings is normal Weather conditions in particular can affect door travel Refer to Adjustment Step 1 Adjust the UP and DOWN Travel Limits Decrease down travel by turning down limit adjustment screw clockwise My lights will not turn off when door is open The garage door opener is
51. open position Manually close the door and lift the door arm to the parallel to the floor and lift the door arm to the trolley The arm should touch the trolley just ahead trolley The arm should touch the trolley just in of the door arm connector hole Refer to the fully back of the door arm connector hole Refer to closed trolley door arm positions in the illustration the fully open trolley door arm positions in the If the arm is behind the connector hole adjust the illustration If the arm does not extend far enough limit further One full turn equals 2 5 cm of trolley adjust the limit further One full turn equals travel 2 5 cm of trolley travel 3 Connect the door arm to the trolley onoi door adjustment decrease DOWN travel Close the door and join the curved arm to the ee connector hole in the trolley with the remaining clevis Turn the DOWN limit adjustment screw clockwise pin It may be necessary to lift the door slightly to 4 complete turns make the connection Secure with a ring fastener Figure 6 Run the opener through a complete travel cycle If the door has a slight backward slant in full open position as shown in the illustration decrease the UP limit until the door is parallel to the floor NOTE When setting the up limit on the following page the door should not have a backward slant when fully open as illustrated below A slight backward slant will cause unnecessary bucking and or jerking oper
52. otor unit assembly parts 38 Accessories 39 Repair Parts and Service 40 Warranty 40 This garage door opener has been designed and tested to offer safe service provided it is installed operated maintained and tested in strict accordance with the instructions and warnings contained in this manual 4 amp WARNING Mechanical A WARNING Electrical CAUTION When you see these Safety Symbols and Signal Words on the following pages they will alert you to the possibility of serious injury or death if you do not comply with the warnings that accompany them The hazard may come from something mechanical or from electric shock Read the warnings carefully When you see this Signal Word on the following pages it will alert you to the possibility of damage to your garage door and or the garage door opener if you do not comply with the cautionary statements that accompany it Read them carefully Preparing your garage door amp WARNING Before you begin Disable locks To prevent possible SERIOUS INJURY or DEATH Remove any ropes connected to garage door e ALWAYS call a trained door systems technician if garage door binds sticks or is out of balance An Complete the following test to make sure your garage unbalanced garage door may NOT reverse when door is balanced and is not sticking or binding required 1 Lift the door about halfway as shown Release the aa try to loosen move or a
53. ounting e 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 Figure 5 Finger tighten the wing nuts Option A Installation Without Pre Wiring e Run the bell wire from both sensors to the garage door opener Attach the wire to the wall and ceiling with the staples Figure 6 Option B Pre Wired Installation If your garage already has wires installed for the safety reversing sensors follow the instructions below e Cut the end of the safety reversing sensor wire making sure there is enough wire to reach the pre installed wires from the wall Figure 7 Separate the safety reversing sensor wires and strip 7 16 11 mm of insulation from each end Choose two of the pre installed wires and strip 7 16 11 mm of insulation from each end Make sure that you choose the same color pre installed wires for each sensor Figure 8 Connect the pre installed wires to the sensor wires with wire nuts making sure the colors correspond for each sensor Figure 9 21 Figure 5 Wing Nut 1 4 20x1 2 Figure 6 Figure 7 Figure 8 Safety Reversing Sensor Wires Pre Installed Wires Figure 9 Safety Reversing Sensor Not Provided Pre Installed Wires White Black Connect to garage door opener
54. owered manually as often as necessary Lockout position Manual disconnect TO RE CONNECT THE TROLLEY Pull the emergency release handle toward the opener at an angle so that the trolley release arm is horizontal The trolley Rel will reconnect on the next UP pia or DOWN operation either Emergency Release Handle m manually or by using the door ky ser Down and Back control or remote Trolley To reconnect CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS S INCREASE TRAVEL DOWN UP LIMIT CONTROLS Left Panel Weather conditions may cause some minor changes in door operation requiring some re adjustments particularly during the first year of operation Pages 27 and 28 refer to the limit and force adjustments Only a screwdriver is required Follow the instructions carefully Repeat the safety reverse test Adjustment Step 3 page 29 after any adjustment of limits or force FORCE CONTROLS Back Panel MAINTENANCE SCHEDULE Every Month e Manually operate door If it is unbalanced or binding call a trained door systems technician e Check to be sure door opens amp closes fully Adjust limits and or force if necessary see pages 27 and 28 Repeat the safety reverse test Make any necessary adjustments see Adjustment Step 3 Two Times a Year Check chain tension Disconnect trolley first Adjust if necessary see page 11 Every Year Oil door rollers bearing
55. r 11 41R0370 15 Cover 2 41C4220A Gear and sprocket assembly 41A2818 Limit switch drive and Complete with Spring washer retainer thrust washer retaining ring 4103452 Limit switch assembly bearing plate roll pins 2 drive gear and worm gear 41C4398A RPM sensor assembly helical gear w retainer and 4105497 High voltage wire harness grease 4105498 Low voltage wire 41B4245 Line cord harness an 41D181 End panels w all labels 4142826 Motor shaft bearing kit 175B88 Light socket 41A2822 1 Interrupter cup assembly 108D36 2 Lens 41A5021 1M 315 Receiver logic board assembly Complete with 308532 Capacitor 1 2 HP Logic board end panel w all 12A373 Capacitor bracket labels light socket 41A3150 Terminal block w screws 41A5014 3 End panel w all labels 41D3058 Universal replacement motor amp NOT SHOWN bracket assembly 41A2825 Opener assembly hardware Complete with Motor worm kit includes screws not bracket bearing assembly designated by a number in RPM sensor illustration OMAN DO F amp F CO e 38 ACCESSORIES 953D 940D 945CB CLDM1 3 Button SECURITY Remote Control Includes visor clip 3 Button Mini Remote Control with SECURITY 49 With key ring and fastening strip SECURITY Keyless Entry Enables homeowner to operate garage door opener from outside by entering a password on a specially designed keyboard Also can add a temporary password for visitors or serv
56. r Nut Figure 2 1 Chain I I 1 4 6 mm I Base of Rail Mid length of Rail IMPORTANT INSTALLATION INSTRUCTIONS A amp WARNING To reduce the risk of SEVERE INJURY or DEATH READ AND FOLLOW ALL INSTALLATION WARNINGS AND INSTRUCTIONS Install garage door opener ONLY on properly balanced and lubricated garage door An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH ALL repairs to cables spring assemblies and other hardware MUST be made by a trained door systems technician BEFORE installing opener Disable ALL locks and remove ALL ropes connected to garage door BEFORE installing opener to avoid entanglement Install garage door opener 7 feet 2 13 m or more above floor Mount the emergency release within reach but at least 6 feet 1 83 m above the floor and avoiding contact with vehicles to avoid accidental release NEVER connect garage door opener to power source until instructed to do so 8 NEVER wear watches rings or loose clothing while installing or servicing opener They could be caught in garage door or opener mechanisms Install wall mounted garage door control within sight of the garage door out of reach of children at minimum height of 5 feet 1 5 m e away from ALL moving parts of the door Place entrapment warning label on wall next to garage door control Place manual release safety reverse test label in plain view on insid
57. s and hinges The opener does not require additional lubrication Do not grease the door tracks 32 THE REMOTE CONTROL BATTERY To prevent possible SERIOUS INJURY or DEATH NEVER allow small children near batteries f battery is swallowed immediately notify doctor To reduce risk of fire explosion or chemical burn Replace ONLY with 3V2032 coin batteries DO NOT recharge disassemble heat above 100 C 212 F or incinerate The lithium battery should produce power for up to 5 years To replace battery use the visor clip or screwdriver blade to pry oS open the case as shown Insert battery positive side up Dispose of old battery properly Battery positive side up NOTICE To comply with FCC and or Industry Canada rules IC adjustment or modifications of this receiver and or transmitter are prohibited except for changing the code setting or replacing the battery THERE ARE NO OTHER USER SERVICEABLE PARTS Tested to Comply with FCC Standards FOR HOME OR OFFICE USE Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation HAVING A PROBLEM 1 My door will not close and the light bulbs blink on my motor unit The safety reversing sensor must be connected and aligned correctly before the garage d
58. st the UP limit if necessary After each adjustment run the opener through a complete travel cycle 4 amp WARNING Without a properly installed safety reversal system persons particularly small children could be SERIOUSLY INJURED or KILLED by a closing garage door Too much force on garage door will interfere with proper operation of safety reversal system NEVER increase force beyond minimum amount required to close garage door NEVER use force adjustments to compensate for a binding or sticking garage door If one control force or travel limits is adjusted the other control may also need adjustment After ANY adjustments are made the safety reversal system MUST be tested Door MUST reverse on contact with 1 1 2 high 3 8 cm object or 2x4 laid flat on floor Force Adjustment Controls BACK PANEL FORCE ADJUSTMENT LABEL Close Force Open Force 28 ADJUSTMENT STEP 3 A WARNING Test the Safety Reversal Sy stem Without a properly installed safety reversal system TEST persons particularly small children could be SERIOUSLY INJURED or KILLED by a closing garage With the door fully open place a 1 1 2 3 8 cm board door or a 2x4 laid flat on the floor centered under the Safety reversal system MUST be tested every garage door month e Operate the door in the down direction The door must If one control force or travel limits is adjusted reverse on striking the o
59. stallation of door bracket Contact your door manufacturer for reinforcement kit Header 5 Bracket 5 a Door Bracket Location s HORIZONTAL AND VERTICAL Vertical of REINFORCEMENT IS NEEDED Centerline FOR LIGHTWEIGHT GARAGE of Garage DOORS FIBERGLASS Door ALUMINUM STEEL DOORS A WITH GLASS PANEL ETC amp P NOT PROVIDED Figure 1 Vertical Reinforcement Not Provided Vertical Centerline of Garage Door 4 Vertical Reinforcement Vertical Centerline of Garage Door 5 16 18x2 Door Bracket Lock Washer 6 5 16 ut gt 5 16 18 Bracket Figure 2B Self Threading Screw 1 4 14x5 8 Figure 2A Inside Edge of Door or Reinforcement Not Provided Bolt 5 16 x2 Vertical Centerline of Garage Door UP Vertical Centerline of Garage Door Self Threading Figure 4 Ne Screw 1 4 14x5 8 Figure 3 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 provided e Wood Doors Drill 5 16 holes and use 5 16 x2 carriage bolts lo
60. t be installed inside the garage so that the sending and receiving eyes face each other across the door no more than 6 15 cm above the floor Either can be 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 4 amp WARNING Be sure power is NOT connected to the garage door opener BEFORE installing the safety reversing sensor To prevent SERIOUS INJURY or DEATH from a closing garage door e Correctly connect and align the safety reversing sensor This required safety device MUST NOT be disabled Install the safety reversing sensor so beam is NO HIGHER than 6 15 cm above garage floor 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 available if needed If installing in masonry construction add a piece of wood at each location to avoid drilling extra holes in masonry if repositioning is necessary The invisible light beam path must be unobstructed No part of the garage door or door tracks springs hinges rollers or other hardware may interrupt the beam while the door is closing ae dp lt D dp qp lt i dp lt D lt D gt
61. t opens at least five feet 1 5 m Increase up travel Turn the UP limit adjustment screw clockwise One turn equals 2 5 cm of travel NOTE To prevent the trolley from hitting the cover protection bolt keep a minimum distance of 2 4 5 cm 10 cm between the trolley and the bolt If door does not open at least 5 feet 1 5 m Adjust the UP open force as explained in Adjustment Step 2 If the door does not close completely Increase down travel Turn the down limit adjustment screw counterclockwise One turn equals 2 5 cm of travel If door still won t close completely and the trolley bumps into the pulley bracket page 4 try lengthening the door arm page 25 and decreasing the down limit If the opener reverses in fully closed position Decrease down travel Turn the down limit adjustment screw clockwise One turn equals 2 5 cm of travel 27 4 amp WARNING Without a properly installed safety reversal system persons particularly small children could be SERIOUSLY INJURED or KILLED by a closing garage door Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system If one control force or travel limits is adjusted the other control may also need adjustment After ANY adjustments are made the safety reversal system MUST be tested Door MUST reverse on contact with 1 1 2 high 3 8 cm object or 2x4 laid flat on floor To prevent damage
62. 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 A WARNING To prevent possible SERIOUS INJURY or DEATH from electrocution or fire e Be sure power is NOT connected to the opener and disconnect power to circuit BEFORE removing cover to establish permanent wiring connection Garage door installation and wiring MUST be in compliance with ALL local electrical and building codes NEVER use an extension cord 2 wire adapter or change plug in any way to make it fit outlet Be sure the opener is grounded PERMANENT WIRING CONNECTION Ground Tab Green Ground Screw Ground Wire White Wire Black Wire 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 The sending eye with an amber indicator light transmits an invisible light beam to the receiving eye with a green indicator light If an obstruction breaks the light beam while the door is closing the door will stop and reverse to full open position and the opener lights will flash 10 times The units mus
63. to the larger ones Tabs along the side will lock into place 3 Place the motor unit on packing material to protect the cover and rest the back end of the rail on top For convenience put a support under the front end of the rail KEEP LARGER HOLE ON TOP FRONT RAIL TOP Tapered End S Tapered End Screwdriver 59 Tabs Front Rail TO DOOR Window Cut Out 4 As a temporary trolley stop insert a screwdriver into the hole 10 25 cm away from the front of the rail as shown 5 Check to be sure there are 4 plastic wear pads inside the inner trolley If they became loose during shipping check all packing material Snap them back into position as shown 6 Slide the trolley assembly along the rail from the back end to the screwdriver bi Back Rails TO MOTOR UNIT Wear Pads ASSEMBLY STEP 2 Fasten the Rail to the Motor Unit CAUTION To avoid SERIOUS damage to garage door opener e Insert a 1 4 20x1 3 4 bolt into the cover protection use ONLY those bolts fasteners mounted in the top of bolt hole on the back end of the rail as shown Tighten the opener securely with a 1 4 20 lock nut DO NOT overtighten Hex Screws Remove the two bolts from the top of the motor unit 8 39x7 16 Place the U bracket flat side down onto the motor unit and align the bracket hole with the bolt holes Fasten with the previously removed bolts Al

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