The Chamberlain Group, Inc.845 Larch AvenueElmhurst, Illinois 60126-1196www.liftmaster.comGARAGE DOOR OPENERModel Series 1300For Residential Use Only
10ASSEMBLY STEP 4Attach the Chain Spreaderand Re-install the ChainMODELS 1356 AND 1346 ONLY• Line up the holes in the chain spreader with theholes in
11ASSEMBLY STEP 5Tighten the ChainALL MODELS• Spin the inner nut and lock washer down thetrolley threaded shaft, away from the trolley.• To tighten th
12INSTALLATION STEP 1Determine the Header BracketLocationInstallation procedures vary according to garage doortypes. Follow the instructions which app
13Header WallVerticalCenterlineof GarageDoor2x4UnfinishedCeiling2x4OPTIONALCEILING MOUNTFOR HEADER BRACKETStructuralSupportsONE-PIECE DOOR WITHOUT TRA
14INSTALLATION STEP 2Install the Header BracketYou can attach the header bracket either to the wallabove the garage door, or to the ceiling. Follow th
15Clevis Pin5/16"x2-3/4"Ring FastenerINSTALLATION STEP 3Attach the Rail to the HeaderBracket• Position the opener on the garage floor below
16ONE-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
17INSTALLATION STEP 5Hang the OpenerTwo representative installations are shown. Yoursmay be different. Hanging brackets should be angled(Figure 1) to
18To prevent possible SERIOUS INJURY or DEATH fromelectrocution:• Be sure power is not connected BEFORE installing doorcontrol.• Connect ONLY to 24 VO
19INSTALLATION STEP 7Install the Light and Lens INSTALL THE LIGHT• Install an A19 standard neck, 75 watt maximumlight bulb in the socket. The light wi
2When you see these Safety Symbols and SignalWords on the following pages, they will alert you tothe possibility of serious injury or death if you don
20INSTALLATION STEP 9Electrical RequirementsTo avoid installation difficulties, do not run theopener at this time.To reduce the risk of electric shock
21Invisible Light BeamProtection AreaSafety Reversing Sensor6" (15 cm) max. above floorSafety Reversing Sensor6" (15 cm) max. above floorFac
22DOOR TRACK MOUNT (RIGHT SIDE)IndicatorLightLensLip SensorBracketDoorTrackFLOOR MOUNT (RIGHT SIDE)WALL MOUNT (RIGHT SIDE)IndicatorLightSensorBracketL
23Carriage Bolt 1/4"-20x1/2"LensWing Nut1/4"-20Figure 5MOUNTING AND WIRING THE SAFETYREVERSING SENSORS• Slide a 1/4"-20x1/2"
24INSTALLATION STEP 11Fasten the Door Bracket Follow instructions which apply to your door typeas illustrated below or on the following page.A horizon
25Header WallVerticalCenterline ofGarage DoorFinished CeilingOptionalPlacementof DoorBracketHeaderBracketDoorBracket2x4 SupportFor a door with no expo
26INSTALLATION STEP 12Connect Door Arm to TrolleyFollow instructions which apply to your door type asillustrated below and on the following page.SECTI
27ALL ONE-PIECE DOORS1. Assemble the door arm, Figure 4:• Fasten the straight and curved door arm sectionstogether to the longest possible length (wit
28ADJUSTMENT STEP 1Adjust the UP and DOWN TravelLimitsLimit adjustment settings regulate the points at whichthe door will stop when moving up or down.
29ADJUSTMENT STEP 2Adjust the ForceForce adjustment controls are located on the backpanel of the motor unit. Force adjustment settingsregulate the amo
3To prevent damage to garage door and opener:• ALWAYS disable locks BEFORE installing and operatingthe opener. • ONLY operate garage door opener at 12
30Without a properly installed safety reversal system,persons (particularly small children) could beSERIOUSLY INJURED or KILLED by a closing garagedoo
31OPERATION Using Your Garage Door OpenerYour Security✚®opener and hand-held remotecontrol have been factory-set to a matching codewhich changes with
32To Open the Door ManuallyThe door should be fullyclosed if possible. Pull downon the emergency releasehandle and lift the doormanually. To reconnect
33Care of Your OpenerLIMIT AND FORCE ADJUSTMENTS:Weather conditions may causesome minor changes in dooroperation requiring somereadjustments, particul
34Having 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
35*3-Button RemotesIf supplied with yourgarage door opener,the large button isfactory programmed tooperate it. Additionalbuttons on anySecurity✚®3-but
361. Press and release the “learn”button on motor unit. The learnindicator light will glow steadily for30 seconds.2. Within 30 seconds, enter a fourdi
377 UP CEILING MOUNT ONLY 11 10 NOTICE 5 6 8 1 4 9 12 3 2 Installation PartsREPAIR PARTSKEY PARTNO. NO. DESCRIPTION 1 41A4166 Door control button2 37
38Motor Unit Assembly Parts212A108131415161943DNUPBrownWire(Down)ContactLIMIT SWITCH ASSY.GreyWireYellowWire(Up)ContactCenter LimitContactDriveGear920
39LOCKLIGHTCLOSEDOPENACCESSORIES 373LM1708LM41A52811702LM Outside Quick Release:Required for a garage with NOaccess door. Enables homeowner toopen gar
4Safety Reversing SensorSupport bracket & fastening hardwareis required.See page 17. — — — — — — — —Header WallFINISHED CEILINGTorsi
© 2007, The Chamberlain Group, Inc.114A3072F All Rights ReservedLIFTMASTER®SERVICEIS ON CALLOUR LARGE SERVICE ORGANIZATIONSPANS AMERICAINSTALLATION AN
5Without a properly working safety reversal system,persons (particularly small children) could beSERIOUSLY INJURED or KILLED by a closing garagedoor.•
6Straight Door Arm Section Curved Door Arm Section Safety LabelsandLiteratureHeader Bracket UP CEILING MOUNT ONLY Sprocket Cover 2-Conductor Bell Wi
7Hardware InventorySeparate all hardware and group as shown below for the assembly and installation procedures.Nut 5/16"-18 (4) Clevis Pin 5/16&q
8To avoid SERIOUS damage to garage door opener, use ONLY those bolts/fasteners mounted in the top ofthe opener.WARNINGCAUTIONWARNINGWARNINGASSEMBLY ST
9ASSEMBLY STEP 3Fasten the Rail to the Motor UnitMODELS 1356 AND 1346 ONLY• Remove the two washered bolts mounted in top ofmotor unit.• Align rail and
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