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

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 101598

 

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Contents BUNNFMD-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 onlyDraining the HOT Water Tank Troubleshooting ProblemProduct will not dispense Probable CauseProbable Cause Remedy Problem Probable Cause Stat for testing procedures. SeeFMD-1 SeeProblem Probable Cause Remedy Refer to Service Lamp, see page 28 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 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 Main Harness ThermostatTransformer FMD-2 only WHI/GRN T7 WHI/BLK T12Schematic Wiring Diagram FMD-1 Single PhaseSchematic Wiring Diagram FMD-2
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FMD-2, FMD-1 specifications

The Bunn FMD-2 is an advanced coffee dispensing machine designed for high-traffic environments, such as cafés, restaurants, and convenience stores. This commercial coffee equipment stands out for its reliability, efficiency, and user-friendly features, making it a preferred choice among coffee retailers.

A standout feature of the FMD-2 is its dual coffee bean hopper system, which allows for the storage and dispensing of two different coffee blends simultaneously. This versatility provides establishments the opportunity to cater to varying customer preferences, whether they prefer a robust espresso or a smooth medium roast. The hoppers can hold a significant amount of coffee beans, ensuring that the machine can keep up with high demand without the need for frequent refilling.

The FMD-2 incorporates state-of-the-art brewing technology, including the ability to brew coffee quickly while preserving the essential flavor characteristics of the beans. Its precision brewing process ensures consistency in taste and quality, which is crucial for customer satisfaction in a commercial setting. The machine is equipped with adjustable brew times and temperatures, allowing operators to fine-tune the brewing process according to specific coffee styles or customer preferences.

Another notable characteristic of the Bunn FMD-2 is its digital interface, which features an intuitive touchscreen display. This modern interface simplifies the operation of the machine, enabling baristas and staff to quickly train and adapt to its functionalities. The display provides real-time feedback on brewing status, maintenance reminders, and settings adjustments, making it easier to ensure optimal performance and reduce downtime.

In addition to its user-friendly design, the Bunn FMD-2 is constructed for durability. Its stainless steel exterior not only enhances its aesthetic appeal but also ensures that it can withstand the rigors of daily use in a bustling environment. The machine is designed with easy maintenance in mind, allowing for straightforward cleaning and servicing to keep it operating at peak performance.

Overall, the Bunn FMD-2 is a versatile, reliable, and innovative coffee dispensing solution that meets the demands of today’s coffee enthusiasts. With its dual hopper system, precision brewing technology, and user-friendly interface, it’s an ideal choice for any establishment looking to elevate their coffee offerings and enhance customer experience.
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