Bunn FMD-1 FMD-2 service manual Hopper Hopper Assy

Page 16

SERVICE (cont.)

AUGER DRIVE COMPONENTS - FMD-2 (CONT.)

4. Disconnect the dispenser from the power supply.

If voltage is present as described and the auger does not turn, replace the auger motor.

If voltage is not present as described, refer to the wir- ing diagrams and check the dispenser wiring harness.

Removal, Cleaning and Replacement

Hopper & Auger (Early Models)(Refer to Fig. 5)

1.Open the dispenser door and raise the top front cover.

2.Lift the front edge of hopper assy (20) over the tab on hopper support plate (19) and slide hop- per assembly out the front of the dispenser.

3.Remove hopper lid (1) and empty product.

4.Pull off the ejector elbow (13).

5.Remove agitator disc assy (2) by pulling agitator support rod (4) towards agitator disc assy and lifting agitator disc assy from hopper (10).

6.Remove auger (12) by pulling it out the front of the hopper (10).

7.Remove auger drive shaft (5) by removing the retaining clip (6) from auger drive shaft.

8.Slide washer (8) and auger drive shaft bracket

(7)off of the auger drive shaft (5).

9.Slide auger drive shaft (5) from auger drive shaft bushing (3) and remove from hopper (10).

10.Remove locknut (9) from auger drive shaft bush- ing (3) and remove auger drive shaft bushing from hopper (10).

11.Wash components in a mild solution of dish de- tergent using a bristle brush when needed.

12.Rinse and dry each item thoroughly.

13.Check for damaged or broken components, re- place any if necessary and reassemble hopper assy.

14.Install hopper assy (20) in the dispenser by sliding hopper assy in the guides on the hopper support plate (19) until the slot in the bottom rear the hopper seats against the pin (18) in the hopper support plate.

1

 

4

2

 

 

 

 

11

3

 

6

5

 

 

7

 

 

8

 

12

 

13

9

 

 

 

10

 

 

 

 

20

15 16

17 14 18

19

 

 

P1673

FIG. 5 AUGER DRIVE & HOPPER DISASSEMBLY

1.

Hopper Lid

11.

Spring

2.

Agitator Disc Assy

12.

Auger Wire

3.

Auger Drive Shaft

13.

Ejector Elbow

 

Bushing

14.

Auger Motor Mount-

4.

Agitator Support Rod

 

ing Panel

5.

Auger Drive Shaft

15.

Auger Motor Bracket

6.

Retainer Clip

16.

Auger Motor

7.

Auger Drive Bracket

17.

Dust Seal

8.

Washer

18.

Pins

9.

Locknut

19. Hopper Support plate

10.

Hopper

20.

Hopper Assy

16

29112 011906

 

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Contents FMD-1 FMD-2 Warranty IntroductionUser Notices FMD-1 FMD-2FMD-1 only 00656.000028368.0001 Initial SET-UP Electrical RequirementsElectrical HOOK-UP Plumbing RequirementsRinse Timer FMD-2 only Initial Fill & HeatLiquid Level Control Running a Rinse SequenceCleaning AdjustmentsHopper Motor Speed Adjustment FMD-1 Cold Beverage SET-UP Optional FMD-2 onlyHopper Motor Speed Programing FMD-2 Draining the HOT Water TankTroubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Problem Probable Cause Remedy Refer to Service Lamp, see page 29 for lamp replacement Dispenser is making unusualService Component AccessContents Auger Drive Components FMD-1Retainer Clip Hopper Assembly Hopper LidSpacer Auger Motor Hopper Base Dust Seal Washer Retainer Clip Ing panelTo the rear of the auger motor mounting panel Auger Drive Components FMD-1Auger Drive Components FMD-2 Hopper Hopper Assy Bushing Panel Auger Drive Shaft Auger Drive Components FMD-2Hopper Dust Seal Remove dust seal 17 from auger motor Disconnect the wires from the auger motor 16 to be removedRemove 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 Replacement Refer to As assemblyLamp Starter and Socket Refer to Location 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 LocationWHI/RED to RINSE/RUN Switch FMD-2BLK 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 FMD-1 shown & FMD-2 Tank Heater Switch 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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