Craftsman 139.53664SRT2 Garage Door Opener User Manual


 
Installation Step 3 I
Attach the T-rail to the Header Bracket
I
-- Header Wall
Header
Bracket
Bracket
Garage
Door
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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,
Ring Fastener
Header Bracket
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Clevis Pin
5/16'x2-3/4
Bracket
Temporary
-- Support
Hardware Shown Actual Size
Clevis Pin
5/16"x2-3/4"
©
Ring Fastener
15