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Manual LiftMaster 8550 Garage Door Opener

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Manual

Carton Inventory

Accessories will varydepending on the garage door opener model purchased. Depending on your

specific model, other accessories may be included with your garage door opener.The instructions for

these accessories will be attached to the accessory and are notincluded in this manual. The images

throughout this manual are for reference and your productmaylookdifferent.

A. Header bracket

B. Pulley and bracket

C. Door bracket

D. Curved door arm

E. Straight door arm

F. Trolley

G. Emergency release rope and handle

H. Rail

I. Garage door opener

J. Sprocketcover with hex screws

K. Belt

L. Door control

M. White and red/white wire

N. The Protector System

Safety reversing sensors with white and white/blackwire attached: Sending Sensor (1)

Receiving Sensor (1) and Safety Sensor Brackets (2)

O. Safety labels and literature

P. Rail grease

Security+ 2.0™ Accessories

880LM

Smart Control Panel

895MAX

Remote Control

Installation Hardware

Hexbolt5/16"-18 x 7/8" (4) Lockwasher 5/16" (4)

Lag screw 5/16"-9 x 1-5/8" (2) Self-threading screw 1/4"-14 x 5/8" (2)

Clevis pin 5/16" x 2-3/4" (1) Ring fastener (3)

Clevis pin 5/16" x 1-1/4" (1) Carriage bolt1/4"-20 x 1/2" (2)

Clevis pin 5/16" x 1" (1) Wing nut1/4"-20 (2)

Nut5/16"-18 (4)

Door Control Hardware

Screw 6AB x 1" (2)

Screw 6-32 x 1" (2)

Drywall anchors (2)

Insulated staples

Not Provided

Not

Provided

Preparation

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More about this manual

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