Chamberlain 1265-267 1/2 HP User Manual

The Chamberlain Group, Inc.A DUCHOSSOIS ENTERPRISE845 Larch AvenueElmhurst, Illinois 60126-1196www.chamberlaingroup.comGARAGE DOOR OPENERModels • 1265

10INSTALLATION STEP 2Install the Header BracketYou can attach the header bracket either to the wallabove the garage door, or to the ceiling. Follow th

Clevis Pin5/16"x2-3/4"Ring Fastener11INSTALLATION STEP 3Attach the T-Rail to the HeaderBracket• Position the opener on the garage floor be

12ONE-PIECE DOOR WITHOUT TRACK• With the door fully open and parallel to the floor,measure the distance from the floor to the top ofthe door.• Using a

13INSTALLATION STEP 5Hang the OpenerTwo representative installations are shown. Yoursmay be different. Hanging brackets should be angled(Figure 1) to

21REDWHTFigure 4REMOVE COVER14INSTALLATION STEP 6Install the Door ControlLocate door control within sight of the door at aminimum height of 5 feet whe

15INSTALLATION STEP 7Install the Lights and LensINSTALL THE LIGHTS• Install a 75 watt maximum light bulb in each socket.The lights will turn ON and re

16INSTALLATION STEP 9Electrical RequirementsTo avoid installation difficulties, do not run theopener at this time.To reduce the risk of electric shock

17Invisible Light BeamProtection AreaSensor Beam6" max.above floorSensor Beam6" max.above floorFacing the door from inside the garageINSTALL

18FLOOR MOUNT (RIGHT SIDE)WALL MOUNT (RIGHT SIDE)DOOR TRACK MOUNT (RIGHT SIDE)Indicator lightLensLip SensorBracketDoorTrackSensorBracketExtensionBrack

191/4"-20x1/2"Carriage boltLensWing nutFigure 4MOUNTING AND WIRING THE SAFETY SENSORS• Slide a 1/4"-20x1/2" carriage bolt head int

2Introduction Pages 2-5Safety symbol and signal word review...2Preparing your garage door ...

20To prevent damage to garage door, reinforce inside ofdoor with angle iron both vertically and horizontally.INSTALLATION STEP 11Fasten the Door Brack

21ONE-PIECE DOORS Please read and comply with the warnings andreinforcement instructions on the previous page.They apply to one-piece doors also.• Cen

22INSTALLATION STEP 12Connect Door Arm to TrolleyFollow instructions which apply to your door type asillustrated below and on the following page.SECTI

ALL ONE-PIECE DOORS1. Assemble the door arm:• Fasten the straight and curved door arm sectionstogether to the longest possible length (with a 2or 3 ho

24ADJUSTMENT STEP 1Adjust the UP and DOWN TravelLimitsLimit adjustment settings regulate the points at whichthe door will stop when moving up or down.

ADJUSTMENT STEP 2Adjust the ForceForce adjustment controls are located on the backpanel of the motor unit. Force adjustment settingsregulate the amoun

Without a properly installed safety reversal system,persons (particularly small children) could beSERIOUSLY INJURED or KILLED by a closing garagedoor.

OPERATION 27IMPORTANT SAFETY INSTRUCTIONS1. READ AND FOLLOW ALL WARNINGS ANDINSTRUCTIONS.2. ALWAYS keep remote controls out of reach of children.NEVER

B) To operate one door using all threebuttons on the hand-held remote:You may program the remote toopen the door with the large button,close it with t

29Care of Your OpenerLIMIT AND FORCE ADJUSTMENTS:Weather conditions may causesome minor changes in dooroperation requiring somereadjustments, particul

3PliersWire CuttersClaw HammerHack SawScrewdriverAdjustable End Wrench1/2" and 7/16" Socketsand WrenchDrillTape Measure21StepladderPencil3/1

30Having a Problem? (Continued)6. The garage door opens and closes by itself:• Be sure that all remote control push buttons areoff.• Remove the bell w

*3-Channel RemotesIf supplied with your garage door opener, the largebutton is factory programmed to operate it. Additionalbuttons on anySecurity✚ 3-c

1. Enter a four digit personalidentification number (PIN) of yourchoice on the keypad. Then pressand hold ENTER.2. While holding the ENTER button,pres

710115NOTICEUPCEILING MOUNT ONLY861432LOCKLIGHT9121345RAIL GREASENO. 83A4 62Installation Parts33REPAIR PARTSRail Assembly PartsKEY PARTNO. NO. DESCRIP

Motor Unit Assembly Parts34121081314151619453DNUPBrownWire(Down)ContactLIMIT SWITCH ASSY.GreyWireYellowWire(Up)ContactCenter LimitContactDriveGear7920

LOCKLIGHT35ACCESSORIES 974LM970LM982LM1708LM97LM1702LMOutside Quick Release:Required for a garage with NOaccess door. Enables homeowner toopen garage

© 2001, The Chamberlain Group, Inc.114A2070J All Rights Reserved Printed in MexicoLIFTMASTER GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTYThe Chamberla

Safety Reversing SensorHorizontal and vertical reinforcementis needed for lightweight garage doors(fiberglass, steel, aluminum,door with glass panels,

5Straight DoorArm SectionCurved DoorArm SectionSafety LabelsandLiteratureHeader BracketUPCEILING MOUNT ONLYSprocket Cover2 Conductor Bell WireWhite &a

6ASSEMBLY STEP 1Attach the T-Rail to the Motor UnitTo avoid installation difficulties, do not run thegarage door opener until instructed to do so.• Re

7ASSEMBLY STEP 3Tighten the Chain• Spin the inner nut and lock washer down thethreaded shaft, away from the trolley.• To tighten the chain, turn outer

8INSTALLATION STEP 1Determine the Header BracketLocationInstallation procedures vary according to garage doortypes. Follow the instructions which appl

9Header WallVerticalCenterlineVerticalCenterlineof GarageDoor2x4UnfinishedCeiling2x4OPTIONALCEILING MOUNTFOR HEADER BRACKETStructuralSupportsONE-PIECE