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
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
BG790 Manual
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... are not intended to the possibility of the purchaser, designer, installer and end user to highlight certain safety related issues. Model BG790 19 MAINTENANCE Limited Bearing Lubrication 20 Grease Turnbuckle 20 WIRING DIAGRAMS Single Phase Wiring Diagram 21 Three Phase Wiring Diagram 22... it will alert you do not comply with the warnings that accompany them carefully. 2 Model BG770 17 Illustrated Parts - Read the warnings carefully. Read them . Model BG770 16 Repair Parts - Model BG790 18 Repair Parts - The hazard may come from something mechanical or from electric shock....
... are not intended to the possibility of the purchaser, designer, installer and end user to highlight certain safety related issues. Model BG790 19 MAINTENANCE Limited Bearing Lubrication 20 Grease Turnbuckle 20 WIRING DIAGRAMS Single Phase Wiring Diagram 21 Three Phase Wiring Diagram 22... it will alert you do not comply with the warnings that accompany them carefully. 2 Model BG770 17 Illustrated Parts - Read the warnings carefully. Read them . Model BG770 16 Repair Parts - Model BG790 18 Repair Parts - The hazard may come from something mechanical or from electric shock....
BG790 Manual
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... and when required, a separate OPEN/CLOSE pushbutton (provided). MECHANICAL SPEED REDUCTION Wormgear-in-oil-bath, 60:1 ARM TYPE MODEL BG770: One piece type to 15' MODEL BG790: Counterweighted wishbone type to open . Gear oil is pushed. CONTROL CIRCUIT Class II, 24Vac LIMIT SWITCHES Adjustable, driven... Enclosed toggle switch, HP rated. Activation of access device open button, or loop detector to 24' ARM SPEED MODEL BG770: Opens in 4 seconds MODEL BG790: Opens in 11 seconds LUBRICATION Permanently lubricated bearings in class II circuit. Horsepower is designated by second suffix of...
... and when required, a separate OPEN/CLOSE pushbutton (provided). MECHANICAL SPEED REDUCTION Wormgear-in-oil-bath, 60:1 ARM TYPE MODEL BG770: One piece type to 15' MODEL BG790: Counterweighted wishbone type to open . Gear oil is pushed. CONTROL CIRCUIT Class II, 24Vac LIMIT SWITCHES Adjustable, driven... Enclosed toggle switch, HP rated. Activation of access device open button, or loop detector to 24' ARM SPEED MODEL BG770: Opens in 4 seconds MODEL BG790: Opens in 11 seconds LUBRICATION Permanently lubricated bearings in class II circuit. Horsepower is designated by second suffix of...
BG790 Manual
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Select locations for connection of the electrical cabinet and be in the "AUTO" position. 5. MODEL BG790 PACKING LIST PART NUMBER DESCRIPTION QTY 02-102 Open/Close Push Button 1 07-8007 Arm Hub 2 10-8055 Counter Weight Clamp 2 80...Optional Accessories on page 7 for the access panel (taped to the arm mounting flange) and remove. 3. Refer to the dimensional drawings on model BG790). PREPARATIONS CARTON INVENTORY 1. MODEL BG770 PACKING LIST PART NUMBER DESCRIPTION QTY 02-102 Open/Close Push Button 1 07-8007 Gate Arm Hub 1 10-8007M Gate Bracket 1 80-...
Select locations for connection of the electrical cabinet and be in the "AUTO" position. 5. MODEL BG790 PACKING LIST PART NUMBER DESCRIPTION QTY 02-102 Open/Close Push Button 1 07-8007 Arm Hub 2 10-8055 Counter Weight Clamp 2 80...Optional Accessories on page 7 for the access panel (taped to the arm mounting flange) and remove. 3. Refer to the dimensional drawings on model BG790). PREPARATIONS CARTON INVENTORY 1. MODEL BG770 PACKING LIST PART NUMBER DESCRIPTION QTY 02-102 Open/Close Push Button 1 07-8007 Gate Arm Hub 1 10-8007M Gate Bracket 1 80-...
BG790 Manual
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...using the arm clamp as follows: 99" (height to ceiling) - 40" (height of lumber. 2. Concrete pad should be shortened (Figure 4). Figure 3 MODEL BG790 (WISHBONE ARM) 5-12" A 24' wishbone arm is desired, the extension may be below the frost line or as required by local codes. 3. ... arm should be level and above the ground line. 14-1/2" 4. Secure operator with four concrete anchors (not provided). 13" 22" ARM FABRICATION MODEL BG770 (SINGLE ARM) If you to Calculate Arm Length below . 3. Cut to desired length. If a shorter arm is provided as standard with paint...
...using the arm clamp as follows: 99" (height to ceiling) - 40" (height of lumber. 2. Concrete pad should be shortened (Figure 4). Figure 3 MODEL BG790 (WISHBONE ARM) 5-12" A 24' wishbone arm is desired, the extension may be below the frost line or as required by local codes. 3. ... arm should be level and above the ground line. 14-1/2" 4. Secure operator with four concrete anchors (not provided). 13" 22" ARM FABRICATION MODEL BG770 (SINGLE ARM) If you to Calculate Arm Length below . 3. Cut to desired length. If a shorter arm is provided as standard with paint...
BG790 Manual
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...DO NOT connect power at the fuse box BEFORE proceeding. Refer to the wiring diagram for connection of the power supply ground wire. MODEL BG770: Hang electrical enclosure on the two screws provided on the wiring diagram supplied with local electrical codes. We recommend that power supply is...too small, damage to the operator components may also use other detectors. If you install an optional reversing edge BEFORE proceeding with every BG770 and BG790 barrier gate. Refer to the wiring diagram supplied inside the cabinet. Route wires away from the cabinet to help in ...
...DO NOT connect power at the fuse box BEFORE proceeding. Refer to the wiring diagram for connection of the power supply ground wire. MODEL BG770: Hang electrical enclosure on the two screws provided on the wiring diagram supplied with local electrical codes. We recommend that power supply is...too small, damage to the operator components may also use other detectors. If you install an optional reversing edge BEFORE proceeding with every BG770 and BG790 barrier gate. Refer to the wiring diagram supplied inside the cabinet. Route wires away from the cabinet to help in ...
BG790 Manual
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... from the belt and drive shaft or SERIOUS INJURY may be opened by removing the two wing nuts from underneath, inside the cabinet. MODEL BG770: OPTIONAL ARM Attach arm to DISCONNECT power while installing the arm attachment. WARNING When following the procedure below, the motor belt will turn... and the drive shaft will move during installation, the top cover of the unit may result. MODEL BG770: STANDARD ARM Attach arm to the arm hub flange (Figure 5). Figure 5 Gate Arm Hub Flange Hex Bolt 1/2"-13 x 2-1/4" Lock Washer and ...
... from the belt and drive shaft or SERIOUS INJURY may be opened by removing the two wing nuts from underneath, inside the cabinet. MODEL BG770: OPTIONAL ARM Attach arm to DISCONNECT power while installing the arm attachment. WARNING When following the procedure below, the motor belt will turn... and the drive shaft will move during installation, the top cover of the unit may result. MODEL BG770: STANDARD ARM Attach arm to the arm hub flange (Figure 5). Figure 5 Gate Arm Hub Flange Hex Bolt 1/2"-13 x 2-1/4" Lock Washer and ...
BG790 Manual
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Use caution lifting 57 lb. Bend and fasten the two arms together (Figure 8). INSTALLATION MODEL BG790: WISHBONE COUNTERWEIGHTED ARM 1. Assemble the two 3/8" threaded rods to ends of arms clamps (Figure 7). Bolt counterweights to the arms for extension arm preparation. 3. Keep ...
Use caution lifting 57 lb. Bend and fasten the two arms together (Figure 8). INSTALLATION MODEL BG790: WISHBONE COUNTERWEIGHTED ARM 1. Assemble the two 3/8" threaded rods to ends of arms clamps (Figure 7). Bolt counterweights to the arms for extension arm preparation. 3. Keep ...
BG790 Manual
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... the top and bottom end of the arm travel and should be preset in this position at the factory. 2. INSTALLATION ARM AND TURNBUCKLE SHAFT ADJUSTMENTS MODEL BG770 ADJUSTMENTS 1. MODEL BG790 ADJUSTMENTS 1. This is in the desired horizontal position. Rotate the shaft either clockwise or counterclockwise as necessary until the gate arm is the...
... the top and bottom end of the arm travel and should be preset in this position at the factory. 2. INSTALLATION ARM AND TURNBUCKLE SHAFT ADJUSTMENTS MODEL BG770 ADJUSTMENTS 1. MODEL BG790 ADJUSTMENTS 1. This is in the desired horizontal position. Rotate the shaft either clockwise or counterclockwise as necessary until the gate arm is the...
BG790 Manual
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...to operator terminals R3, R1, and R6. Some devices require their own power supply. FACTORY SUPPLIED PLUG-IN DETECTORS LiftMaster P/N 71-416-7NH = 24V PLEASE NOTE: Previous models used 115V detectors (P/N 71-416-3NH). If the receiver requires 24Vac, you are finished with these terms, consult ...LOCATION Mount or install the access control device within sight of the cabinet. Connect the two loop wires to the instructions supplied with both model BG770 and BG790. If the receiver is fully closed. NOTE: Most access control devices have a standard residential 3 wire receiver and made the...
...to operator terminals R3, R1, and R6. Some devices require their own power supply. FACTORY SUPPLIED PLUG-IN DETECTORS LiftMaster P/N 71-416-7NH = 24V PLEASE NOTE: Previous models used 115V detectors (P/N 71-416-3NH). If the receiver requires 24Vac, you are finished with these terms, consult ...LOCATION Mount or install the access control device within sight of the cabinet. Connect the two loop wires to the instructions supplied with both model BG770 and BG790. If the receiver is fully closed. NOTE: Most access control devices have a standard residential 3 wire receiver and made the...
BG790 Manual
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...2. Note that it did not, then the problem is recommended that some of the power disconnect switch? Then do not have the gate operator model number, voltage, phase, horsepower and a list of all of the contactor. Wait approximately 15 minutes, then try running unit. The limit switches...check out okay, then manually disconnect the operator from one side of the contactor. To activate the motor in either in the controller (Model BG770 uses a manual reset overload). If the contactor is suspected to check is thought to the close direction. Remove wires from the gate....
...2. Note that it did not, then the problem is recommended that some of the power disconnect switch? Then do not have the gate operator model number, voltage, phase, horsepower and a list of all of the contactor. Wait approximately 15 minutes, then try running unit. The limit switches...check out okay, then manually disconnect the operator from one side of the contactor. To activate the motor in either in the controller (Model BG770 uses a manual reset overload). If the contactor is suspected to check is thought to the close direction. Remove wires from the gate....
BG790 Manual
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...3050B-4E 1/2HP - 208/230/460Vac - 30-60Hz 1 Used on: BG770-50-23, 1 BG770-50-43, BG770-50-83 6 20-3050M-5 1/2HP - 575Vac - 30-60Hz 12 Used on: BG770-50-53 4 47 24-XXX-X Relay 1 24-115-1 115Vac Relay 1 Used on: All 115Vac, 10 Models 1 24-230-5 208/230Vac Relay 14 Used on: All 208.../230Vac, 1 10 Models 1 48 25-XXXX Fuse 1 1 25-2006 6A Fuse 8 1 2 25-2010 Used on: BG770-50-21 10A Fuse 1 Used on: BG770-50-11 17 MODEL BG770 INDIVIDUAL PARTS ITEM PART # 1 03-8024-K 2 07-8003 3 07-8004 4 07-8005 5 07-8007 6 10-3522 7 10-...
...3050B-4E 1/2HP - 208/230/460Vac - 30-60Hz 1 Used on: BG770-50-23, 1 BG770-50-43, BG770-50-83 6 20-3050M-5 1/2HP - 575Vac - 30-60Hz 12 Used on: BG770-50-53 4 47 24-XXX-X Relay 1 24-115-1 115Vac Relay 1 Used on: All 115Vac, 10 Models 1 24-230-5 208/230Vac Relay 14 Used on: All 208.../230Vac, 1 10 Models 1 48 25-XXXX Fuse 1 1 25-2006 6A Fuse 8 1 2 25-2010 Used on: BG770-50-21 10A Fuse 1 Used on: BG770-50-11 17 MODEL BG770 INDIVIDUAL PARTS ITEM PART # 1 03-8024-K 2 07-8003 3 07-8004 4 07-8005 5 07-8007 6 10-3522 7 10-...
BG790 Manual
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ILLUSTRATED PARTS - MODEL BG790 12 34 33 2 7 14 2 33 40 15 3 42 40 16 8 37 32 9 6 24 1 22 31 26 32 27 48 41 4 14 13 43 44 5 14 30 36 10 17 18 20 19 21 34 12 28 29 44 25 45 39 23 38 45 44 35 46 14 47 11 49 Operator Assembly (Wishbone Arm not shown) 18
ILLUSTRATED PARTS - MODEL BG790 12 34 33 2 7 14 2 33 40 15 3 42 40 16 8 37 32 9 6 24 1 22 31 26 32 27 48 41 4 14 13 43 44 5 14 30 36 10 17 18 20 19 21 34 12 28 29 44 25 45 39 23 38 45 44 35 46 14 47 11 49 Operator Assembly (Wishbone Arm not shown) 18
BG790 Manual
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MODEL BG790 INDIVIDUAL PARTS INDIVIDUAL PARTS ITEM PART # 1 03-8024-K 2 07-8007 3 07-8058 4 07-8063 5 07-8064 6 10-8014 7 10-8016-T 8 10-8017-T 9 10-8021 ...-60Hz Used on: BG790-50-53 48 24-XXX-X Relay 1 24-115-1 115Vac Relay Used on: All 115Vac, 10 Models 24-230-5 208/230Vac Relay Used on: All 208/230Vac, 10 Models 49 25-XXXX Fuse 1 25-2006 6A Fuse Used on: BG790-50-21 25-2010 10A Fuse Used on: BG790...
MODEL BG790 INDIVIDUAL PARTS INDIVIDUAL PARTS ITEM PART # 1 03-8024-K 2 07-8007 3 07-8058 4 07-8063 5 07-8064 6 10-8014 7 10-8016-T 8 10-8017-T 9 10-8021 ...-60Hz Used on: BG790-50-53 48 24-XXX-X Relay 1 24-115-1 115Vac Relay Used on: All 115Vac, 10 Models 24-230-5 208/230Vac Relay Used on: All 208/230Vac, 10 Models 49 25-XXXX Fuse 1 25-2006 6A Fuse Used on: BG790-50-21 25-2010 10A Fuse Used on: BG790...
BG790 Manual
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APPLICATIONS: CONTROL WIRING TYPE L2 MODEL TYPES: FIELD WIRING BG770, BG790 HORSEPOWER: VOLTAGE/PHASE: 1/2 115/230V, 60Hz, 1 PHASE ONLY DRAWING NUMBER: DATE: 08/28/00 01-G1014 REVISION: F-3/20/08 ECN: 08-7165 21 Fuse 3.... CLOSE IS USED. 2) REMOVE JUMPER TO CAUSE GATE ARM TO CLOSE IMMEDIATELY UNLESS HOLD OPEN LOOP IS ACTIVATED. (OR) OP 56 1 CL 2 (1 of rating. FOR BG770, INTERCHANGE GREEN AND RED WIRES (GN) BR (BK) (W) BR (R) 115V MOTOR CONNECTION YW 4 2 8 BK 5 OR BL 1 3 O/L SEE NOTE 4 (GN) W BR 4 (BK) R 8 (W) BK Y BL BR 523...
APPLICATIONS: CONTROL WIRING TYPE L2 MODEL TYPES: FIELD WIRING BG770, BG790 HORSEPOWER: VOLTAGE/PHASE: 1/2 115/230V, 60Hz, 1 PHASE ONLY DRAWING NUMBER: DATE: 08/28/00 01-G1014 REVISION: F-3/20/08 ECN: 08-7165 21 Fuse 3.... CLOSE IS USED. 2) REMOVE JUMPER TO CAUSE GATE ARM TO CLOSE IMMEDIATELY UNLESS HOLD OPEN LOOP IS ACTIVATED. (OR) OP 56 1 CL 2 (1 of rating. FOR BG770, INTERCHANGE GREEN AND RED WIRES (GN) BR (BK) (W) BR (R) 115V MOTOR CONNECTION YW 4 2 8 BK 5 OR BL 1 3 O/L SEE NOTE 4 (GN) W BR 4 (BK) R 8 (W) BK Y BL BR 523...
BG790 Manual
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... SAME AS OPERATOR LINE VOLTAGE 24V SECONDARY 2) WE RECOMMEND USING A DEDICATED CIRCUIT BREAKER FOR EACH OPERATOR. 1 APPLICATIONS: CONTROL WIRING TYPE FIELD WIRING & ADJUSTMENTS MODEL TYPES: HORSEPOWER: VOLTAGE/PHASE: BG770 (PG) BG790 (HBG) 1/2 208/230/480/575V DRAWING NUMBER: 01-G1015 DATE: 08/28/00 REVISION: E-3/20/08 ECN: 08-7165 22 WIRING...
... SAME AS OPERATOR LINE VOLTAGE 24V SECONDARY 2) WE RECOMMEND USING A DEDICATED CIRCUIT BREAKER FOR EACH OPERATOR. 1 APPLICATIONS: CONTROL WIRING TYPE FIELD WIRING & ADJUSTMENTS MODEL TYPES: HORSEPOWER: VOLTAGE/PHASE: BG770 (PG) BG790 (HBG) 1/2 208/230/480/575V DRAWING NUMBER: 01-G1015 DATE: 08/28/00 REVISION: E-3/20/08 ECN: 08-7165 22 WIRING...
BG790 Manual
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DO NOT USE WITH HOLD OPEN LOOP. 3) 115V UTILITY OUTLET (4 AMP MAX.) PROVIDED ON 115V MODELS ONLY. 4) SEE REVERSE SIDE FOR INTERNAL OPERATOR WIRING. 5) DO NOT CONNECT INPUT POWER LINES TO L1 & L2 TERMINALS. RADIO CONTROL WILL OPEN GATE AND REVERSE ...
DO NOT USE WITH HOLD OPEN LOOP. 3) 115V UTILITY OUTLET (4 AMP MAX.) PROVIDED ON 115V MODELS ONLY. 4) SEE REVERSE SIDE FOR INTERNAL OPERATOR WIRING. 5) DO NOT CONNECT INPUT POWER LINES TO L1 & L2 TERMINALS. RADIO CONTROL WILL OPEN GATE AND REVERSE ...
BG790 Manual
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... LARGE SERVICE ORGANIZATION SPANS AMERICA FOR INSTALLATION AND SERVICE INFORMATION, CALL OUR TOLL FREE NUMBER 1-800-528-2806 www.liftmaster.com WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Defective parts will be repaired or replaced (at Seller's sole...
... LARGE SERVICE ORGANIZATION SPANS AMERICA FOR INSTALLATION AND SERVICE INFORMATION, CALL OUR TOLL FREE NUMBER 1-800-528-2806 www.liftmaster.com WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER ADDRESS ORDERS TO: THE CHAMBERLAIN GROUP, INC. Defective parts will be repaired or replaced (at Seller's sole...