Craftsman 139.53675SRT Garage Door Opener User Manual


 
Installation Step 3
Attach the T-rail to the Header Bracket
Position the opener on the garage floor below the
header brackeL Use packing material as a
protective base.,
If the door spring is in the way you'll need help.
Have someone hold the opener securely on a
temporary support to a!low the T-rail to clear the
spring,
Position the cable pulley bracket against the header
bracket.
Align the bracket holes and join with a clevis pin as
shown.
° Insert a ring fastener to secure.
Ring Faslener
Header Bracket
Bracket
Tempom_3,
Support
Hardware Shown Actual Size
°B
C!evis Pin
5/16";{2-3/4"
©
Ring Faslener
H IH, H,H
!5