Attach The Rail To The Header Bracket - Craftsman 139.53920D Owner's Manual

Idler Pulley
mNSTALLATmON STEP 3
Attach the Ra_! to the Header
Bracket
NOTE: (Optional) With some existing installations,
you may re-use the old header bracket with the two
plastic spacers included in the hardware bag, Place
the spacers inside the bracket on each side of the
rail, as illustrated
. 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 raft to clear the spring,
• Position the rail bracket against the header
bracket
. Align the bracket holes and join with a clevis pin
5/16"x1-1/2" as shown,
• Insert a ring fastener to secure
O
Mounting
Hole
Mountinc
Hole
OPTION WITH SOME
EXISTING
INSTALLATIONS
Garage
Door " "___ OTePme ;e rrCr;tt o n or
Suppmt
HARDWARE SHOWN ACTUAL SIZE
Clevis Pin 5/16" x 1_1/2" Ring lastener
14