Installation section, Determine header bracket location, Sectional & 1 piece door w/track – Chamberlain 9902 User Manual

Page 12: Warning, Installation step 1, Proceed to step 2, page 14

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Installation section, Determine header bracket location, Sectional & 1 piece door w/track | Warning, Installation step 1, Proceed to step 2, page 14 | Chamberlain 9902 User Manual | Page 12 / 40