Craftsman 139.53335SRT3 Owner's Manual page 15

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Installation Step 3
Attach the T.raii to the Header Bracket
• 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.
Hardware Shown Actual Size
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°1
Clevi_ Pin
5/_" x 2- 314"
15