Step 3 attach the rail to the header bracket, Step 4 position the opener, One-piece door without track – Chamberlain SECURITY+ 3265M-267 1/2 HP User Manual

Page 10: Installation step 4, Installation step 3, Position the opener, Attach the rail to the header bracket

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Step 3 attach the rail to the header bracket, Step 4 position the opener, One-piece door without track | Installation step 4, Installation step 3, Position the opener, Attach the rail to the header bracket | Chamberlain SECURITY+ 3265M-267 1/2 HP User Manual | Page 10 / 36 Step 3 attach the rail to the header bracket, Step 4 position the opener, One-piece door without track | Installation step 4, Installation step 3, Position the opener, Attach the rail to the header bracket | Chamberlain SECURITY+ 3265M-267 1/2 HP User Manual | Page 10 / 36
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