3)tighten chain, Safety warnings, Important installation instructions – Chamberlain 1265-267 1/2 HP User Manual

Page 7: Assembly step 3

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3)tighten chain, Safety warnings, Important installation instructions | Assembly step 3 | Chamberlain 1265-267 1/2 HP User Manual | Page 7 / 36 3)tighten chain, Safety warnings, Important installation instructions | Assembly step 3 | Chamberlain 1265-267 1/2 HP User Manual | Page 7 / 36
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