![](/images/backgrounds/52353/52353-6410x1.png)
INSTALLATION STEP 3
Attach the Rail to the Header Bracket
ïPosition the opener on the garage floor below the header bracket. Use packing material as a protective base. NOTE: If the door spring is in the way you’ll need help. Have someone hold the opener securely on a temporary support to allow the rail to clear the spring.
ïPosition the rail bracket against the header bracket.
ïAlign the bracket holes and join with a clevis pin as shown.
ïInsert a ring fastener to secure.
HARDWARE SHOWN
ACTUAL SIZE
Ring Fastener
Clevis Pin
Header Wall
Header
Bracket
Chain
Pulley
Bracket
Header
Bracket
Ring
Fastener
Clevis Pin
Chain
Pulley
Bracket
Rail
Garage
Door
Temporary
Support
INSTALLATION STEP 4
Position the Opener
SECTIONAL DOOR ONLY
A 2x4 laid flat is convenient for setting an ideal door-
ïRaise the opener onto a stepladder. You will need help at this point if the ladder is not tall enough.
ïOpen the door all the way and place a 2x4 laid flat on the top section beneath the rail.
ïIf the top section or panel hits the trolley when you raise the door, pull down on the trolley release arm to disconnect inner and outer sections. Slide the outer trolley toward the motor unit. The trolley can remain disconnected until Installation Step 12
is completed.
Trolley
Release Arm
ENGAGEDRELEASED
CAUTION
To prevent damage to garage door, rest garage door opener rail on 2x4 placed on top section of door.
Rail
2x4 is used to determine
Doorthe correct mounting height from ceiling.
10