Craftsman 139.53939D Manual Del Propietário página 14

INSTALLATION STEP 3
Attachthe Rail to the HeaderBracket
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.
Header Wall
Header Bracket
Idler Pulley
Ring
\
\
Mounting
Hole
__ Garage
Door
Temporary
Support
HARDWARESHOWN ACTUALSIZE
oD
ClevisPin5/]B"x]-]/2"
0
Ring Fastener
14