Owner’s Manual Please read this manual and the enclosed safety materials carefully! Fasten the manual near the garage door after installation. The

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

Header BracketBelt Pulley BracketFoam PackagingOpener Carton orTemporarySupportHeader WallGarageDoorClevis Pin5/16" x 2-3/4"Ring FastenerTo

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 OpenerThree representative installations are shown. Yoursmay be different. Hanging brackets should beangled, Figure 1, t

Bell WireTerminal Screws Bottom Mounting Hole Top Mounting HoleRedGreyWhiteTo release wire, push in tab with screwdriver tipDoor ControlConnections7/

15INSTALLATION STEP 7Install the Lights and LensPress the release tabs on both sides of lens. Gentlyrotate lens back and downward until the lens hinge

INSTALLATION 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

19Invisible Light BeamProtection AreaSensorSensorBell WireBell WireFinishedCeilingQuick-Connect TerminalsStrip wire 7/16"7/16"SensorConnecti

2Introduction 2-5Safety symbol review and signal word review ...2Preparing your garage door ...3Tools ..

20INSTALLATION STEP 11Fasten the Door Bracket Follow instructions which apply to your door typeas illustrated below or on the following page.A horizon

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

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

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

24Without a properly installed safety reversal system,persons (particularly small children) could beSERIOUSLY INJURED or KILLED by a closing garagedoo

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

ADJUSTMENT STEP 3Test the Safety Reversal SystemTEST• With the door fully open, place a one-inch board(or a 2x4 laid flat) on the floor, centered unde

OPERATION 27Using Your Garage Door OpenerYour Security✚ opener and hand-held remote controlhave been factory programmed to a matching codewhich change

28Using the Wall-Mounted Door ControlTHE MULTI-FUNCTION DOOR CONTROLPress the push bar to openor close the door. Pressagain to reverse the doorduring

29CARE OF YOUR OPENERLIMIT AND FORCE ADJUSTMENTS:Weather conditions may cause some minor changesin door operation requiring some re-adjustments,partic

3Preparing your garage door Before you begin:• Disable locks. • Remove any ropes connected to garage door. • Complete the following test to make sure

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 provided with your garage door opener, the largebutton is factory programmed to operate it. Additionalbuttons on any Security✚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

7101165NOTICEUPCEILING MOUNT ONLY81423912LOCKLIGHT21563784Rail Assembly PartsInstallation Parts33KEY PARTNO. NO. DESCRIPTION1 4A1008 Master link kit2

Motor Unit Assembly Parts3423456789101112131KEY PARTNO. NO. DESCRIPTION1 41A4371-1 Belt cap2 41B4245-1 Line cord3 41B3150-1 Terminal block w/screws4 4

35LOCKLIGHTCLOSEDOPENACCESSORIES 974LM970LM995LM2778BD41A52811702LMOutside Quick Release:Required for a garage with NOaccess door. Enables homeowner t

© 2003, The Chamberlain Group, Inc.114A2503G All Rights Reserved Printed in MexicoLIFTMASTER SERVICE ISON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AMER

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

5Straight DoorArm SectionCurved DoorArm SectionHeader BracketUPCEILING MOUNT ONLY2-Conductor Bell WireWhite & White/RedSafety LabelsandLiterature

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

ASSEMBLY STEP 3Attach the Belt Cap Retainer• Position the belt cap retainer over the openersprocket so the two holes in cap align with the twoholes in

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

9ONE-PIECE DOOR WITHOUT TRACK1. Close the door and mark the inside verticalcenterline of your garage door. Extend the lineonto the header wall above d