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Chamberlain 2585 3/4 HP Position the Opener, ONE-PIECEDOOR WITHOUT TRACK, SECTIONAL DOOR OR ONE-PIECEDOOR WITH TRACK

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INSTALLATION STEP 4

Position the Opener

Follow instructions which apply to your door type as illustrated.

SECTIONAL DOOR OR ONE-PIECE DOOR WITH TRACK

A 2x4 laid flat is convenient for setting an ideal door-to-rail distance.

ïRemove foam packaging.

ïRaise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough.

ïOpen the door all the way and place a 2x4 laid flat on the top section beneath the rail.

ïIf the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to disconnect inner and outer sections. Slide the outer trolley toward the motor unit. The trolley can remain disconnected until Installation Step 12

is completed.

Trolley

Release Arm

ENGAGEDRELEASED

CAUTION

To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door.

Rail

2x4 is used to determine

Doorthe correct mounting height from ceiling.

ONE-PIECE DOOR WITHOUT TRACK

A 2x4 on its side is convenient for setting an ideal door-to-rail distance.

ïRemove foam packaging.

ïRaise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough.

ïOpen the door all the way and place a 2x4 on its side on the top section of the door beneath the rail.

ïThe top of the door should be level with the top of the motor unit. Do not position the opener more than 4" (10 cm) above this point.

Header

Bracket

Top of Door

Top of Motor Unit

2x4 is used to determine the correct mounting height from ceiling.

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Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Carton Inventory Attach the Rail to the Motor Unit Set the Belt Tension Attach the Belt Cap Retainer 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): Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS ALIGNING THE SAFETY SENSORS TROUBLESHOOTING THE SAFETY 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: ïOpen door adjustment: decrease UP travel limit ïClosed 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: THE REMOTE CONTROL BATTERY Repeat the safety reverse test (Adjustment Step 3, page 25) after any adjustment of limits or force 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: 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: 2778BD 8 Foot (2.4 m) Complete Rail: 2770BD LIFTMASTER GARAGE DOOR OPENER FIVE-YEARLIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY