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Chamberlain HD920EV User Manual

Chamberlain HD920EV
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13
Installation
STEP3 Attach the rail to the header bracket
1. Align the rail with the header bracket. Insertthe clevis pin through the holes in the header
bracketand rail. Secure with the ring fastener.
NOTE: Use the packing material as a protective base for the garage door opener.
HARDWARE
Clevis Pin 5/16"x1-1/2"
Ring Fastener
Clevis Pin
5/16"x1-1/2"
Ring Fastener
STEP 4 Position the garage door opener
To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of
door.
1. Remove the packing material and liftthe garage door opener onto a ladder.
2. Fully open the door and place a 2x4 (laid flat) under the rail. For one-piece doors without
tracks, lay the 2x4 on it'sside.
NOTE: A 2x4 is ideal for setting the distance between the rail and the door. If the ladder is not tall
enough you will need help at this point. If the door hits the trolley when it is raised, pull the trolley release
arm down to disconnect the inner and outer trolley. Slide the outer trolley toward the garage door
opener. The trolley can remain disconnected until instructed.
Connected
One-piece
door without
tracks
All other door types
Disconnected
Connected Disconnected

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Chamberlain HD920EV Specifications

General IconGeneral
BrandChamberlain
ModelHD920EV
CategoryGarage Door Opener
LanguageEnglish

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