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Chamberlain 3800PLD User Manual

Model 3800pld garage door opener

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The Chamberlain Group, Inc.

845 Larch Avenue

Elmhurst, Illinois 60126-1196

www.liftmaster.com

Please read this manual and the enclosed safety materials carefully!
Fasten the manual near the garage door after installation.
The door WILL NOT CLOSE unless the Protector System

®

and cable tension monitor are

connected and properly aligned.

Periodic checks of the garage door opener are required to ensure safe operation.
The model number label is located behind the hinged door of your opener.

DO NOT exceed 10 complete cycles of door operation per hour.

This product is intended for installation only by trained garage door technicians. This
product may require adjustments to door springs and or track configurations. This product
is not intended for use on low headroom tracks or garage doors utilizing extension springs.

For Residential and Light Duty Commercial Use

Install On Sectional Doors With Torsion

Assemblies Only

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Model 3800PLD

GARAGE DOOR OPENER

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