Chamberlain 3265 1/2 HP User Manual

The Chamberlain Group, Inc.845 Larch AvenueElmhurst, Illinois 60126-1196www.liftmaster.comGARAGE DOOR OPENERModel 3265 1/2 HPFor Residential Use Only

10Clevis Pin5/16"x2-3/4"Ring FastenerINSTALLATION STEP 3Attach the Rail to the Header Bracket• Position the opener on the garage floor below

11ONE-PIECE DOOR WITHOUT TRACKA 2x4 on its side is convenient for setting an ideal door-to-rail distance. • Remove foam packaging.• Raise the opener o

MeasureDistanceLag Screws5/16"-18x1-7/8"StructuralSupportsBracket(Not Provided)Lag Screws5/16"-18x1-7/8"(Not Provided)Bolt 5/16&qu

13To prevent possible SERIOUS INJURY or DEATH fromelectrocution:• Be sure power is not connected BEFORE installing doorcontrol.• Connect ONLY to 24 VO

14INSTALLATION STEP 7Install the Light • Press the release tabs on both sides of lens. Gentlyrotate lens back and downward until the lens hinge is int

15INSTALLATION STEP 9Electrical RequirementsTo avoid installation difficulties, do not run the openerat this time.To reduce the risk of electric shock

16Invisible Light BeamProtection AreaSafety Reversing Sensor6" (15 cm) max. above floorSafety Reversing Sensor6" (15 cm) max. above floorFac

17DOOR TRACK MOUNT (RIGHT SIDE)IndicatorLightLensLip SensorBracketDoorTrackFLOOR MOUNT (RIGHT SIDE)WALL MOUNT (RIGHT SIDE)IndicatorLightSensorBracketL

Invisible Light BeamProtection AreaSafety Reversing SensorConnect Wire toOpener Quick-Connect TerminalsBell WireBell WireFinishedCeilingQuick-Connect

19Fiberglass, aluminum or lightweight steel garage doors WILLREQUIRE reinforcement BEFORE installation of door bracket.Contact your door manufacturer

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

20Header WallVerticalCenterline ofGarage DoorFinished CeilingOptionalPlacementof DoorBracketHeaderBracketDoorBracket2x4 SupportFor a door with no expo

21INSTALLATION STEP 12Connect Door Arm to TrolleyFollow instructions which apply to your door type asillustrated below and on the following page.SECTI

22ALL ONE-PIECE DOORS1. Assemble the door arm, Figure 4:• Fasten the straight and curved door arm sectionstogether to the longest possible length (wit

23ADJUSTMENT STEP 1Adjust the UP and DOWN Travel LimitsLimit adjustment settings regulate the points at which thedoor will stop when moving up or down

ADJUSTMENT STEP 2Adjust the ForceForce adjustment controls are located on the back panelof the motor unit. Force adjustment settings regulate theamoun

Without a properly installed safety reversal system, persons(particularly small children) could be SERIOUSLY INJURED orKILLED by a closing garage door

OPERATION26To reduce the risk of SEVERE INJURY or DEATH:Using Your Garage Door OpenerYour Security✚®opener and hand-held remote controlhave been facto

To Open the Door ManuallyThe door should be fully closed ifpossible. Pull down on theemergency release handle and liftthe door manually. To reconnectt

CARE OF YOUR OPENERLIMIT AND FORCE ADJUSTMENTS:Weather conditions may causesome minor changes in dooroperation requiring some re-adjustments, particul

29HAVING A PROBLEM?1. My door will not close and the light bulbs blink onmy motor unit: The safety reversing sensor must beconnected and aligned corre

3To prevent damage to garage door and opener:• ALWAYS disable locks BEFORE installing and operating theopener. • ONLY operate garage door opener at 12

Bell WireSafety Reversing SensorDiagnosticsLocated On Motor UnitLED or Diagnostic LED“Learn” Button 30Installed Safety Reversing SensorYour garage doo

*3-Button RemotesIf provided with your garage door opener, the largebutton is factory programmed to operate it. Additionalbuttons on anySecurity✚®3-Bu

LOCKLIGHT1. Enter a four digit personalidentification number (PIN) of yourchoice on the keypad. Then pressand hold ENTER.2. While holding the ENTER bu

1345 6233REPAIR PARTSRail Assembly PartsKEY PARTNO. NO. DESCRIPTION1 4A1008 Master link kit2 41A4813 Chain pulley bracket3 41A3489 Complete trolley as

Motor Unit Assembly Parts34210813141551939416127181117667DNUPBrownWire(Down)ContactLIMIT SWITCHASSEMBLYGreyWireYellowWire(Up)ContactCenter LimitContac

35ACCESSORIES 374LM370LM395LM41A52811702LMOutside Quick Release:Required for a garage with NO accessdoor. Enables homeowner to opengarage door manuall

© 2007, The Chamberlain Group, Inc.114A3044G All Rights ReservedLIFTMASTER®SERVICE ISON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AMERICAINSTALLATION AN

FINISHED CEILINGSupport bracket& fasteninghardware is required.See page 12.Slack in chain tensionis normal whengarage door is closed.SafetyReversi

5Your garage door opener is packaged in two cartons whichcontain the motor unit and all parts illustrated below.Accessories will depend on the model p

6ASSEMBLY STEP 1Attach the Rail to the Motor UnitTo avoid installation difficulties, do not run the garagedoor opener until instructed to do so.• Remo

7LockWasherTo Tighten Outer NutInner NutTrolleyTo TightenInner NutOuter NutINSTALLATIONASSEMBLY STEP 3Tighten the Chain • Spin the inner nut and lock

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

9INSTALLATION STEP 2Install the Header BracketYou can attach the header bracket either to the wall abovethe garage door, or to the ceiling. Follow the