Attach The T-Rail To The Header Bracket - Chamberlain Security+ 3112E FS2 Owner's Manual

Header Wall
Header
Bracket
Chain
Pulley
Bracket
Garage
Door
HARDWARE SHOWN ACTUAL SIZE
Clevis Pin
5/16"x2-3/4"
INSTALLATION STEP 3
Attach the T-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
Rail
Clevis Pin
5/16"x2-3/4 "
19
Ring Fastener
Chain
Pulley
Bracket
Rail
Temporary
Support
Ring Fastener