10
Cle
v
is Pin 5/16"x2-3/4"
Ring Fastener
INSTALLATION STEP 3
Attach the Rail to the Header
Bracket
• Position 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.
• Position the rail bracket against the header
bracket.
• Align the bracket holes and join with a clevis pin
as shown.
• Insert a ring fastener to secure.
Header
Bracket
Chain
Pulley
Bracket
Temporary
Support
Header Wall
Garage
Door
Clevis Pin
5/16"x2-3/4"
Ring
Fastener
Header
Bracket
Chain
Pulley
Bracket
Rail
HARDWARE SHOWN
ACTUAL SIZE
INSTALLATION STEP 4
Position the Opener
SECTIONAL DOOR ONLY
A 2x4 laid flat is convenient for setting an ideal
door-to-rail distance.
• Raise the opener onto a stepladder. You will need
help at this point if the ladder is not tall enough.
• Open the door all the way and place a 2x4 laid flat
on the top section beneath the rail.
• If 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.
Rail
Door
2x4 is
u
sed to determine
the correct mo
u
nting height
from ceiling.
Trolley
Release Arm
ENGAGED
RELEASED
To prevent damage to garage door, rest garage door
opener rail on 2x4 placed on top section of door.
WARNING
CAUTION
WARNING
WARNING