Attach The Rail To The Header Bracket - Chamberlain LiftMaster Security+ 1256R Owner's Manual

-- Header Wall
Header Bracket
Chain Pulley Bracket
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.
Ring Fastener
Header Bracket 0
i
Clevis Pin
,5/16"x2-3/4"
Pulley
Bracket
-- Garage
Door
Temporary
Support
HARDWARE SHOWN ACTUAL SIZE
o)
Clevis Pin
,5/16"x2-3/4"
O
Ring Fastener
15