Chamberlain HD520EV 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 vary depending 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 screws to attach a supportbracket (not provided) to the structural
supports before 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 supportbracket.
3. Cutboth piecesofthe hanging bracketto required lengths.
4. Attach the end of each hanging bracket to the supportbracketwith 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 HD520EV Specifications

General

Brand	Chamberlain
Model	HD520EV
Category	Garage Door Opener
Language	English