Craftsman 139.53677SRT1 Garage Door Opener User Manual


 
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Installation Step 3 [
Attach the T-rail to the Header Bracket
Header
BW
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Garage
Door
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 cable 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
i
Clevis Pin
5/I 6"x2-3/4 Cable
Pulley
Bracket
Temporary
Support
Hardware Shown Actual Size
0
Ckr_sP_
5/16" x 2-3/4"
©
Ring Fastener
15