Chamberlain HD920EV User Manual

12
Installation
STEP 2 Install the header bracket
You can attach the header bracketeither to the wall above the garage door, or to the ceiling. Follow the
instructionswhich will workbest for your particular requirements.Do not install the header bracket over
drywall. If installing into masonry, use concrete anchors (not provided).
HARDWARE
Lag Screw 5/16"-9x1-5/8"
OPTION A WALL INSTALLATION
1. Center the bracket on the vertical centerline with the bottom edge of the bracket on the
horizontal line asshown.
2. Mark the vertical setofbracketholes.Drill 3/16" pilot holes and fasten the bracketsecurely to a
structural support with the hardware provided.
UP
Wall Mount
Optional Mounting
Holes
Vertical
Centerline of
Garage Door
(Header Wall)
Header
Bracket
2x4 Structural
Support
Door Spring
(Garage Door)
Highest Point
of Garage
Door Travel
Horizontal
Line
Lag Screw
5/16"-9x1-5/8"
OPTION B CEILING INSTALLATION
1. Extend the vertical centerline onto the ceiling as shown.
2. Center the bracketon the vertical mark, no more than 6" (15 cm) from the wall. Make sure the
arrow is pointing away from the wall. The bracketcan be mounted flush against the ceiling
when clearance is minimal.
3. Mark the side holes.Drill 3/16" pilotholes and fasten bracketsecurely to a structural support
with the hardware provided.
UP
(Header Wall)
Ceiling Mounting
Holes
(Finished Ceiling)
Vertical
Centerline of
Garage Door
Header
Bracket
6"
(15 cm)
Maximum
Door Spring
(Garage Door)
Lag Screw
5/16"-9x1-5/8"

Chamberlain HD920EV Specifications

General

Brand	Chamberlain
Model	HD920EV
Category	Garage Door Opener
Language	English