Attachthe Rail To The Headerbracket - Craftsman 139.53902D Owner's Manual

INSTALLATION STEP 3
Attachthe Rail to the HeaderBracket
• 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 header/rail bracket against the header bracket.
• Align the bracket holes and join with a clevis pin 5/16"x2-3/4"
as shown. Spacer can be installed on either side of rail.
• Insert a ring fastener to secure.
/Header Bracket
Ring Fastener\
Header Bracket 0
Spac2
5/16"x2-3/4" \ _ _ -
Header/Rail
Bracket
Garage
Door
_] \ Opener Carton or
/
Temporary
Support
Clevis Pin
5/16"x2-3/4"
HARDWARESHOWN ACTUALSIZE
°1
0
Ring Fastener Spacer
14