Chamberlain 1240R - 1/4HP Manuale Utente

Clevis Pin
5/16"x2-3/4"

Ring  Fastener

15

• 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 rail bracket against the header

bracket.

• Align the bracket holes and join with a clevis pin

as shown.

• Insert a ring fastener to secure.

Header Bracket

Chain Pulley Bracket

Temporary
Support

Header Wall

Garage
Door

Clevis Pin
5/16"x2-3/4"

Ring Fastener

Header Bracket

Chain
Pulley
Bracket

Rail