Craftsman 139.53664SRT2 User Manual

Header
Bracket
Belt Pulley
Bracket
Temporary
Support
Header Wall
Garage
Door
T-rail
Clevis Pin
5/16"x2-3/4 "
Ring Fastener
Header Bracket
Belt Pulley
Bracket
T-rail
• Position the opener on the garage floor below the
header bracket. 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 allow the T-rail to clear the
spring.
• Position the belt pulley bracket against the header
bracket.
• Align the bracket holes and join with a clevis pin as
shown.
• Insert a ring fastener to secure.
15
Installation Step 3
Attach the T-rail to the Header Bracket
Clevis Pin
5/16"x2-3/4"
Ring Fastener
Hardware Shown Actual Size

Craftsman 139.53664SRT2 Specifications

General

Brand	Craftsman
Model	139.53664SRT2
Category	Garage Door Opener
Language	English