Bunn G9-2T DBC, LPG-2, G9WD, G2 TRIFECTA, FPG-2 service manual DC Motor and Grind Chamber G1MD only

Page 19

SERVICE (Cont.)

DC MOTOR AND GRIND CHAMBER - G1MD ONLY

P1706

FIG. 6 DC MOTOR AND GRIND CHAMBER

Location:

The motor is located inside the upper part of the grinder housing.

Test Procedures:

1.Remove the rear panel. Press the red “Reset” button visible on the rear of the motor. Listen care- fully for a “click”. This resets the motor protection circuit and may indicate that something other than

coffee was inserted into the hopper for grinding. If the grinder remains unable to start, proceed to #2. If the grinder stops operating shortly after starting, refer to removal and replacement instructions and inspect for foreign materials.

2.Disconnect the grinder from the power source and place a coffee bag behind the dispense chute.

3.Remove the black wire from the rectifier (+) ter- minal and the red wire from the (-) terminal.

4.Check the voltage across the (+) and (-) terminals with a voltmeter. Connect the grinder to the power source. When the Off/On/Start switch is momen- tarily placed in the “START” (lower) position and then left in the “ON” (center) position and a bag is in place behind the coffee dispense chute. The indication must be approximately 108 volts dc.

5.Disconnect the grinder from the power source.

If voltage is present as described replace the motor. If voltage is not present as described, reconnect the white or red and white/blue wires to the motor, refer to the Wiring Diagrams and check the grinder wiring harness.

Removal and Replacement - Motor (Refer to Fig. 8)

1.Disconnect all wires from the motor.

2.Remove the two .250”-20 screws (1) securing grind selector dial plate and grind selector knob

(2)to the grind chamber. Remove dial plate and selector knob as an assembly.

3.Slide burr (7), auger rotor/spring assembly (3) and burr rotor disc (4) off the grinder motor shaft as an assembly.

4.Remove the two .250”-20 screws (8) securing the stationary burr (9) to the grind chamber.

5.Remove bushing (10) and washer (11) from the grinder motor shaft.

6.Remove the two #8 thread forming screws (12) securing the fill plate (13) to grinder housing and remove plate (13).

7.Remove the four #10-24 screws (14) securing the chute assembly (15) to the grind chamber and remove chute assembly (15).

8.Disconnect all the wires from the rectifier (23).

9.Remove the four .312”-18 screws (20), rubber washers (22) and flat washers (21) securing the motor and bracket to the grinder housing bracket.

19

41545 122209

 

Page 18 Page 20
Image 19
Page 18 Page 20
Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisBUNN-O-MATIC Commercial Product Warranty Contents Capacity Chart Recommended Daily CleaningIntroduction G9 WD Packaging & Shim Removal Housing. FigureModel G9-2 Model G9WDModels G1, G2, G3 & G2 trifecta Model G9Models LPG, LPG-2E Operating Controls Model MHG Power ON/OFF Pad e 100V ModelsHopper/Batch Selector Pads d Batch Selector SwitchPressing the pad allows programming access see Pressing Grind initiates a timed grind cycleVolts for 230 volt models Problem Probable Cause RemedySwitch for testing procedures ProceduresTroubleshooting Supplies of whole bean coffee Placement proceduresHoppers From hopperProblem Probable Cause Remedy Component Locations Component AccessBAG Sensor Switch Models G1, G2, G3 or ServiceCUP Sensor Switch Model G2 Trifecta AC Motor and Grind Chamber Remove the electrical access panel at the rear of the motorAC Motor and Grind Chamber Install shear plate Install burr rotor cupGrind Chamber Components DC Motor and Grind Chamber G1MD only DC Motor Terminals DC Motor and Grind Chamber G1MD onlyMotor and Grind Chamber Removal Motor Motor Models LPG & FPGSolenoid and Gates ROTOR/AUGER, Burrs and Motor Cover Install load disc 11 flat side towards rotorDechaffer Dechaffer Models LPG & FPGFranklin Motor Motor Models G9, G9-2, MHGMarathon Motor Remove and inspect stationary burr9 for wear Replace if excessively worn or damagedLocation Snubber Models G9, G9-2, MHGCalibration Grinder Scale Model G9WD onlyLevel 2 Functions Capacitor Terminals Capacitor Model LPG onlyCircuit Breaker Circuit Breaker Models LPG, LPG-2E, FPG, FPG-2 DBCViewed from rear Hopper Selector Switch Model LPG-2E onlyRefer to Fig. below when reconnecting the wires Hopper Selector Switch Model G9-2 onlyOFF/ON/START Switch Terminals OFF/ON/START SwitchGrinders with Digital Timer Grinders with Analog TimerRefer to the illustration below when reconnecting the wires Urn/Carafe Switch Models G9, G9-2URN/CARAFE Switch Terminals Batch Selector Switch Batch Selector Switch Model FPGBatch Selector Switch Terminals Potentiometer Terminals Potentiometer Model FPGRectifier Rectifier Models G1 MD, FPG-2 DBCRelay Terminals Test Procedure Disconnect the grinder from the power supplyRelay Early Model G-9 RelayRelay Models G1, G2, G3, G2 trifecta Remove the white/red wires from relay contacts 7Early Models Late Models RelayRelay Models MHG, FPG-2 DBC, Late Model G-9, G9-2, G9-2 DBC Slide plates must always remain flat for proper operation Hopper Slide PlatesHopper Slide Plates Models MHG Solenoids Solenoids Models MHG, FPG-2 DBC, LPG-2, G9-2, G9-2 DBCPlace the hopper selector switch in the left posi- tion Timer Model LPG-2ETimer Models LPG, FPG Timer Terminals Timer Model G9Timer Timer Model G9-2Digital Timer Analog TimerControl Board Model MHG Control Board Refer to when connecting wiresControl Board Terminals Membrane Switches Model MHG only Membrane Switch Membrane SwitchNuetral EMI Filter Terminals EMI Filter Models FPG & FPG-2Funnel Sensing Coil Models MHG & G9-2 DBC Disconnect the harness from the memory clock board Memory Clock Board Model MHGDisplay Board Model MHG MOV1 Triac MAP for MHGControls Right Gate @ J1-3 Triac MAP for FPG-2 DBC and G9-2 DBCControls Left Gate @ J1-1 Controls Relay @ J1-250/60 HZ G9-2 DBC, G9-2T DBC W/SMART FunnelRelay Coil WHI/GRN 50 HZ Schematic Wiring Diagram G9-2TB DBC W/SMART FunnelSchematic Wiring Diagram MHG Single PHASE, 50/60HZ Wire + GndVolts AC, 120 Volts AC 60 HZ Volts AC Wire Single PhaseWiring Diagrams Wiring Diagrams Schematic Wiring Diagram LPG Schematic Wiring Diagram LPG W/Capacitor Wiring Diagrams Schematic Wiring DiagramWiring Diagrams Schematic Wiring Diagram LPG-B Schematic Wiring Diagram G1, G2, G3 & G2 trifecta 60 HZ Volts AC Wire Single PhaseVolts AC 50 HZ Schematic Wiring Diagram G9A HDBLK WHI/RED WHI/YEL WHI/BLU SCHEMATICWIRINGDIAGRAMG9-2A HD Wiring Diagrams FPG 60 HZ Wiring DiagramsFPG-2A DBC
Related manuals
Manual 79 pages 29.77 Kb Manual 6 pages 18.82 Kb

FPG-2, G9-2T DBC, G9-2, G2 TRIFECTA, G9 specifications

Bunn has established itself as a leader in the coffee and beverage equipment industry, providing advanced solutions that cater to a variety of needs. Among its notable products are the Bunn LPG-2, G9, FPG-2, G9-2, and G9WD, which showcase the company’s commitment to innovation, quality, and efficiency.

The Bunn LPG-2 is an ideal solution for high-volume coffee production. This model features a two-watt heating element that ensures rapid brew cycles and consistent temperature control. With a sleek design and user-friendly interface, the LPG-2 simplifies the brewing process while delivering exceptional coffee quality. Its large capacity enables institutions to serve multiple customers simultaneously, making it suitable for restaurants, cafes, and hotels.

The G9 series, particularly the G9 and G9-2, are known for their versatility and robust performance. Both models come equipped with a stainless steel hot water faucet, allowing users to draw hot water for various applications such as tea or soup preparation. The G9 model is designed for single-brew operation, while the G9-2 accommodates dual brewing, making it an efficient choice for those needing to meet demand quickly. Additionally, both G9 models have advanced brewing technology to ensure optimal flavor extraction.

The FPG-2 model stands out for its precision and control over brewing parameters. It features a touchscreen interface that allows users to customize brew strength and temperature, ensuring that each cup meets individual preferences. The FPG-2 is also remarkably user-friendly, which is essential in a busy environment. Its dual-brew functionality allows it to serve two different coffee options simultaneously, enhancing service efficiency.

The G9WD is designed for those who require the ultimate convenience. Featuring a built-in water line connection, the G9WD minimizes the need for manual refilling, ensuring a continuous supply of fresh coffee. This model is equipped with a programmable timer, allowing users to set brew cycles in advance, which can be a significant time-saver during peak hours.

In summary, the Bunn LPG-2, G9, FPG-2, G9-2, and G9WD offer a range of features that cater to various coffee brewing needs. With advanced technologies, efficient designs, and user-centric interfaces, these models are engineered to deliver consistent, high-quality beverages, making them essential tools for any coffee-focused establishment. Whether for high-volume brewing or versatile beverage options, Bunn's offerings stand out in the competitive landscape of beverage equipment.
Top Page Image Contents