Attach The Rail To The Header Bracket - Craftsman 139.53939D Owner's Manual

Header Wall
Header Bracket
Idler Pulley
HARDWARE SHOWN ACTUAL SIZE
INSTALLATION STEP 3

Attach the Rail to the Header Bracket

1. 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 will need help. Have
someone hold the opener securely on a temporary support to
allow the rail to clear the spring.
2. Position the rail bracket against the header bracket.
3. Align the bracket holes and join with a clevis pin as shown.
4. Insert a ring fastener to secure.
Ring Fastener
Header
Bracket
Mounting
Hole
Temporary
Support
14