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Chamberlain 3265 1/2 HP Planning, ONE-PIECEDOOR WITH TRACK, SECTIONAL DOOR INSTALLATION, ONE-PIECEDOOR WITHOUT TRACK

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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 this page and the accompanying illustrations as you proceed with the installation of your opener.

SECTIONAL DOOR INSTALLATION

Horizontal and vertical reinforcement is needed for lightweight garage doors (fiberglass, steel, aluminum,

door with glass panels, etc.). See page 19 for details.

Header Wall

— —	Vertical Centerline
—	of Garage Door

FINISHED CEILING

Support bracket & fastening hardware is required.

See page 12.

Slack in chain tension is normal when garage door is closed.

Extension Spring

OR

Torsion Spring

Access Door

Motor Unit

Wall- mounted Door Control

— — —	Safety
	Reversing
— —	Sensor
— —

Gap between floor and bottom of door must not exceed 1/4" (6 mm).

Safety Reversing Sensor

ONE-PIECE DOOR WITHOUT TRACK

Slack in chain tension is normal when garage door is closed.

Header

Wall

FINISHED CEILING

Support bracket & fastening hardware is required. See page 12.

Motor Unit

ONE-PIECE DOOR WITH TRACK

Wall- mounted Door Control

Slack in chain tension is normal when garage door is closed.

Access

Door

Access

Door

Safety

Reversing Sensor

	Gap between floor and bottom of
Safety	door must not exceed 1/4" (6 mm).

Reversing Sensor

Safety

Reversing Sensor

Gap between floor and bottom of door must not exceed 1/4"

Safety

Reversing Sensor

(6 mm).

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Contents

For Residential Use Only Introduction2-5 Assembly Installation7-22 Adjustment23-25 Operation26-30 Preparing your garage door Tools needed Planning Carton Inventory Attach the Rail to the Motor Unit Attach the Chain to the Sprocket and Install the Sprocket Cover Tighten the Chain Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Position the Opener Hang the Opener Install the Door Control Install the Light Attach the Emergency Release Rope and Handle Electrical Requirements Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred) (Figure 1): Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY REVERSING SENSORS TROUBLESHOOTING THE SAFETY REVERSING ALIGNING THE SAFETY REVERSING SENSORS Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1.Assemble the door arm, Figure 4: 2.Adjustment procedures, Figure 5: •Open door adjustment: decrease UP travel limit •Closed door adjustment: decrease DOWN travel limit Adjust the UP and DOWN Travel Limits Adjust the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-MountedDoor Control To Open the Door Manually CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: Repeat the safety reverse test (Adjustment Step 3, page 25) after any adjustment of limits or force THE REMOTE CONTROL BATTERY HAVING A PROBLEM 1. My door will not close and the light bulbs blink on my motor unit: 2. My remotes will not activate the door: 3. My door reverses for no apparent reason: Repeat 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Installation Parts Motor Unit Assembly Parts ACCESSORIES 1702LM Outside Quick Release: 395LM 1708LM 8 Foot (2.4 m) Complete Rail:373W LIFTMASTER ONE-YEARLIMITED WARRANTY LIFETIME MOTOR LIMITED WARRANTY