Bunn FMD-1 FMD-2 service manual Disconnect the wires from the auger motor 16 to be removed

Page 18

SERVICE (cont.)

AUGER DRIVE COMPONENTS - FMD-2 (cont.)

Auger Drive Motor (Refer to Fig. 5 or 6)

1.Remove all hopper assemblies (20) and set aside for reassembly.

2.Remove the four #8-32 screws securing the hop- per support plate (19), remove plate and set aside for reassembly.

3.Remove the four #8-32 locking screws, located inside the dispenser housing on the front of the auger motor mounting panel (14), securing auger motor mounting bracket (15) and auger motor

(16)to the rear of the auger motor mounting panel

(14).

4.Disconnect the wires from the auger motor (16) to be removed.

5.Remove auger motor mounting bracket (15), au- ger motor (16) and dust seal (17) as an assembly.

6.Remove dust seal (17) from auger motor (16).

7.Remove the four #8-32 screws securing the auger motor to the auger motor mounting bracket.

8.Remove auger motor and discard.

9.Using four #8-32 screws install new auger motor

(16)on mounting bracket (15).

10.Install dust seal (17) on auger motor shaft.

11.Using four #8-32 locking screws install auger motor, dust seal and mounting bracket to the rear of the auger motor mounting panel (14)

12.Reconnect the wires to the terminals on the auger motor.

13.Install hopper support plate (19) and all hopper assemblies (20).

14.Refer to Fig. 7 when reconnecting wires.

LEFT

RIGHT

 

 

 

RED to WHI/ORN from

 

Control Board J3-2

 

BLK to GRN from

 

 

Control Board J3-4

BLK to GRN from

RED to WHI/RED from

Control Board J3-4

 

 

Control Board J3-3

 

 

FIG. 7 AUGER MOTOR TERMINALS

P1639

 

 

BALLAST - FMD-1 & FMD-2

 

 

FMD-1

 

 

 

P1665

 

J1

 

 

12

 

 

 

7

 

 

J1

 

 

J2

 

 

J4

 

J3

 

 

FMD-2

 

 

FIG. 8 BALLAST

P1666

 

 

18

 

29112 101598

 

 

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Contents FMD-1 FMD-2 User Notices WarrantyIntroduction FMD-1 FMD-200656.0000 FMD-1 only28368.0001 Electrical HOOK-UP Initial SET-UPElectrical Requirements Plumbing RequirementsLiquid Level Control Rinse Timer FMD-2 onlyInitial Fill & Heat Running a Rinse SequenceHopper Motor Speed Adjustment FMD-1 CleaningAdjustments Cold Beverage SET-UP Optional FMD-2 onlyHopper Motor Speed Programing FMD-2 Draining the HOT Water TankProduct will not dispense TroubleshootingProblem Probable CauseProbable Cause Remedy Problem Probable Cause Problem Probable Cause Remedy Refer to Service Lamp, see page 29 for lamp replacement Dispenser is making unusualContents ServiceComponent Access Auger Drive Components FMD-1Spacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Hopper AssemblyHopper Lid Retainer Clip Ing panelAuger Drive Components FMD-1 To the rear of the auger motor mounting panelAuger Drive Components FMD-2 Hopper Hopper Assy Auger Drive Components FMD-2 Bushing Panel Auger Drive ShaftHopper Dust Seal Disconnect the wires from the auger motor 16 to be removed Remove dust seal 17 from auger motorRemove auger motor and discard Ballast FMD-1 & FMD-2 LocationControl Board FMD-2 only Thermostat TerminalsService Dispense Switch Dispense Switchs FMD-1 & FMD-2 Dispense Switch Terminals P1449 FAN FMD-1 & FMD-2FMD-2 Frother and Whipper Motor FMD-1 shown & FMD-2 Whipper Motor Terminals P1221Hopper Drive Board FMD-1 only Hopper Drive BoardHopper Drive Board FMD-1 only Hopper Drive Board TerminalsLamp Replacement Refer to Fig Door Assy Upper Panel Lamp Holders Lower PanelLamp Starter and Socket Refer to Location Lamp Replacement Refer toAs assembly Level Control Board and Level Probe FMD-1 onlyReconnect the violet wire to terminal Level Control Board and Level Probe FMD-1 onlyRINSE/RUN Switch FMD-1 LocationRINSE/RUN Switch FMD-2 WHI/RED toBLK from Main Harness WHI/BRN to YEL to Control Board J2-3 Solenoid Valve Cold Water OPTIONALFMD-2 only Cold Water Solenoid ValveFMD-1 Solenoid Valve Dispense FMD-1 & FMD-2 Solenoid Valve Inlet FMD-1 & FMD-2 Tank HeaterTank Heater Switch FMD-1 shown & FMD-2 Tank Heater FMD-1 shown & FMD-2Main Harness Thermostat Transformer FMD-2 only WHI/GRN T7 WHI/BLK T12Schematic Wiring Diagram FMD-1 BLU WHISchematic Wiring Diagram FMD-2

FMD-1 FMD-2 specifications

The Bunn FMD-1 and FMD-2 models represent a significant advancement in the realm of coffee brewing equipment, catering to the demands of both commercial establishments and serious coffee enthusiasts. These machines are designed to efficiently brew high-quality coffee while minimizing operational complexity.

The Bunn FMD-1 is a single brewer, while the FMD-2 features dual brewing capabilities. This distinction allows the FMD-2 to meet higher coffee volume demands, making it an ideal choice for bustling cafes or restaurants where efficiency is paramount. Both models are engineered with a robust stainless steel construction, ensuring durability and longevity in high-traffic environments.

One standout feature of both models is the infusion technology. This proprietary system enhances the extraction process, allowing for optimal flavor development. The machines utilize a programmable brewing timeline, which provides users with a high level of control over the brewing variables such as time and temperature. This leads to a customizable brewing experience tailored to specific coffee blends or personal taste preferences.

Additionally, these brewers are equipped with an integrated hot water faucet, offering convenience for making tea, hot chocolate, or even instant soup. This multifunctionality improves workflow in busy kitchens, as it eliminates the need for separate hot water dispensers.

The FMD series is also designed with user-friendly interfaces. The digital display provides clear, intuitive information about the brewing process, including brew progress and maintenance alerts. This makes it easy for operators to monitor and manage the machine, ensuring consistency and quality in every cup.

Moreover, both models are designed for quick and efficient cleaning. The removable brewing components facilitate maintenance, which is crucial in a commercial setting where hygiene and equipment uptime are critical.

In terms of capacity, the FMD-1 brews up to 3.8 gallons per hour, while the FMD-2 can produce an impressive 7.5 gallons per hour, demonstrating their suitability for high-volume service.

Overall, the Bunn FMD-1 and FMD-2 models embody the perfect blend of technology, efficiency, and user-centric design, making them a valuable addition to any coffee service operation. Their ability to deliver consistent, high-quality coffee with ease is sure to enhance the customer experience and streamline operations simultaneously.
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