Chamberlain HD920EV User Manual

14
Installation
STEP 5 Hang the garage door opener
To avoid possible SERIOUS INJURY from a falling garage door opener, fasten it SECURELY to
structural supports of the garage. Concrete anchors MUST be used if installing ANY brackets into
masonry.
Hanging the garage door opener will varydepending on your garage.Below are three example
installations. Your installation may be different. For ALL installations the garage door opener MUSTbe
connected to structural supports. The instructions illustrate one of the examples below.
Finished Ceiling
Unfinished Ceiling
HARDWARE
Hex Bolt 5/16"- 18x7/8"
Nut 5/16"-18
Lock
Washer
5/16"-18
Lag Screw 5/16"-9x1-5/8"
1. On finished ceilings,use the lag screwsto attach a supportbracket (not provided) to the
structural supportsbefore installing the garage door opener.
2. Make sure the garage door opener isaligned with the header bracket. Measure the distance
from each side of the garage door opener to the support bracket.
3. Cutboth pieces of the hanging bracketto required lengths.
4. Attach the end of each hanging bracketto the supportbracket with appropriate hardware (not
provided).
5. Attach the garage door opener to the hanging brackets with the hexbolts, lockwashers, and
nuts.
6. Remove the 2x4 and manually close the door. Ifthe door hitsthe rail,raise the header bracket.
Finished
Ceiling
(not provided)
Lag Screw
5/16"-
9x1-5/8"
Lag Screw
5/16"-
9x1-5/8"
1
2
3
(not
provided)
Hex Bolt
5/16"- 18x7/8"
Nut 5/16"-18
Lock
Washer
5/16"-18
4
5
6

Chamberlain HD920EV Specifications

General

Brand	Chamberlain
Model	HD920EV
Category	Garage Door Opener
Language	English