Chamberlain - BG770

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Contents

CHAMBERLAIN Lift Master O ISI A L Installation and Maintenance Manual Barrier Gate Operator Models BG770 amp BG790 Doc 01 G0674 Rev E 2 Contents Contents General Product Information _ 4 Specifications_4 Safety Instructions _ 6 Before Installation_ 6 During Installation_ 6 After Installation_ 7 Preparing the Installation _ 8 Unpack Carton_ 8 Preparing the Site_ 9 Preparing the Operator_ 10 Installation _ 11 Step 1 Mounting _ 11 Step 2 Arm Fabrication_ 12 Step 3 Wiring Connections_ 13 Step 4 Arm Attachment_ 14 Step 5 Arm and Tumbuckle Shaft Adjustments_ 16 Step 6 Limit Switch Adjustments_ 18 Optional Accessories _ 19 Vehicle Detectors_ 19 Radio Controls_ 19 Card Readers Keypads or other_20 ...