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LiftMaster BG790 Manual

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OWNER'S MANUAL MODELS BG770 & BG790 VEHICULAR BARRIER GATE OPERATOR MODELS BG770 AND BG790 ARE FOR VEHICULAR PASSAGE GATES ONLY AND ARE NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE

Section	Page
OWNER’S MANUAL MODELS BG770 & BG790 VEHICULAR BARRIER GATE OPERATOR	1
TABLE OF CONTENTS	2
SPECIFICATIONS	3
OPERATOR WARNINGS	4
PREPARATION	5
CARTON INVENTORY	5
SITE PREPARATION	5
OPERATOR PREPARATION	5
INSTALLATION	6
PAD MOUNTING	6
ARM FABRICATION	6
WIRING SPECIFICATIONS	7
WIRING CONNECTIONS	7
ARM ATTACHMENT	8
MODEL BG790: WISHBONE COUNTERWEIGHTED ARM	9
ARM AND TURNBUCKLE SHAFT ADJUSTMENTS	10
LIMIT SWITCH ADJUSTMENTS	11
OPTIONAL ACCESSORIES	12
VEHICLE DETECTORS	12
CARD READERS, KEYPADS OR OTHER	12
RADIO CONTROLS	12
OPERATING INSTRUCTIONS	13
ELECTRICAL OPERATION	13
MANUAL OPERATION	13
TROUBLESHOOTING	14
POWER	14
ACCESSORIES	14
PRIMARY VOLTAGE CIRCUIT	15
LOW VOLTAGE CIRCUIT	15
GENERAL REFERENCE INFORMATION	15
ILLUSTRATED PARTS - MODEL BG770	16
REPAIR PARTS - MODEL BG770	17
ILLUSTRATED PARTS - MODEL BG790	18
REPAIR PARTS - MODEL BG790	19
MAINTENANCE	20
WIRING DIAGRAM	21
WIRING DIAGRAM	22
CONTROL CONNECTION DIAGRAM	23

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OWNER’S MANUAL

MODELS BG770 & BG790

VEHICULAR BARRIER GATE OPERATOR

MODELS BG770 AND BG790 ARE FOR VEHICULAR PASSAGE GATES ONLY

AND ARE NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE