Bunn Auger Drive Components FMD-4, To the rear of the auger motor mounting panel, Location

Page 15

SERVICE (cont.)

AUGER DRIVE COMPONENTS - FMD-4 (cont.)

Auger Drive Motor (Refer to Fig. 2)

1.Remove hopper assy (15), and set aside for reas- sembly.

2.Remove the four #8-32 screws securing the hop- per support plate (11), remove plate and set aside for reassembly.

3.Remove the four #8-32 screws, located inside the dispenser housing on the lower right front of the auger motor mounting panel (19), securing auger motor mounting bracket (16) and auger motor

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

(19).

4.Disconnect the wires from the hopper drive board.

5.Remove auger motor mounting bracket (16), au- ger motor (17) and dust seal (18) as an assembly.

6.Remove dust seal (18) from auger motor (17).

7.Disconnect the wires from the auger motor (17).

8.Remove the four #8-32 screws securing the auger motor (17) to the auger motor mounting bracket

(16).

9.Remove auger motor (17) and discard.

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

(17)on mounting bracket (16).

11.Install dust seal (18) on auger motor shaft and align notch in seal with motor casting.

12.Reconnect the wires to the terminals on the hop- per drive board.

13.Refer to Fig. 3 when reconnecting wires.

14.Using four #8-32 locking screws install auger motor, dust seal and mounting bracket to the rear of the auger motor mounting panel (19).

15.Install hopper assy (15).

STATIONS 1 - 4

RED to BRN/WHI from

Control Board #1 J3-3

RED to WHI/RED from

Control Board #1 J3-2

RED to WHI/ORN from

Control Board #1 J3-1

RED to WHI/YEL from

Control Board #2 J3-3

BLK to GRN from

Control Board J3-4

P1639

FIG. 3 AUGER MOTOR TERMINALS

AUGER DRIVE COMPONENTS - FMD-4 & FMD-5

J1

J2

J4

J3

J1

J2

J4

J3

P2635

FIG. 4 AUGER DRIVE COMPONENTS

Location

The auger components are located inside the bottom part of the hopper except for the auger drive bracket, washer and locknut, which are located on the outside bottom rear of the hopper. The auger motors are located on the rear of the auger motor mounting panel. Refer to Fig. 5 for disassembly and assembly.

Test Procedures - Auger motors

1.Disconnect the dispenser from the power source.

2.Disconnect the wires from the motor to be tested.

3.Check the voltage across the positive (white/or- ange) wire for the right motor, or the positive (white/red) wire for the left motor and the negative (green) wire with a voltmeter. With the rinse/run switch in the run (lower) position press and hold the appropriate dispense switch. Connect the dis- penser to the power supply. After a .6 second delay the indication must be 4.0 to 24.5 volts dc.

15

35135 012103

 

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Contents Phone 217 529-6601 FAX 217 Post Office BOX SPRINGFIELD, IllinoisFMD-4 BUNN-O-MATIC Commercial Product WarrantyIntroduction User Notices00831.0000 28368.0000FMD-4 FMD-5 Plumbing Requirements Initial SET-UPElectrical Requirements Electrical HOOK-UPDispenser USE Liquid Level Control Rinse TimersInitial Fill & Heat Running a Rinse SequenceHopper Motor Speed Programing CleaningAdjustments Cold Beverage SET-UP OptionalDraining the HOT Water Tank Probable Cause TroubleshootingProblem Product will not dispenseProbable Cause Remedy Leaks Problem Probable CauseStat for testing procedures. See Dripping from dispense tip Lime build-upTip with a thermometer. Reading Product overflows container Dispense SwitchWeak product Water Temperature Refer to Operation Rinse Timer. SeeTroubleshooting Problem Auger Drive Components FMD-4 ServiceComponent Access ContentsHopper Lid Spacer Auger Motor Hopper Base Dust Seal WasherRetainer Clip Panel Auger Drive Components FMD-4 To the rear of the auger motor mounting panelLocation Hopper Dust Seal Auger Drive Components FMD-4 & FMD-5Bushing Panel Auger Drive Shaft LocknutRemove dust seal 17 from auger motor Ballasts FMD-4 & FMD-5 Refer to and reconnect the wiresLocation Control ThermostatControl Board Control BoardService Control Board Connectors Dispense Switchs FMD-4 & FMD-5 FMD-4FMD-5 Dispense Switch Terminals Dispense SwitchesFAN FANComponents Frother and Whipper Motor FMD-4 shown & FMD-5Whipper Motor Terminals INCREASE/DECREASE Switch INCREASE/DECREASE SwitchLamp Replacement Refer to Fig Lamp HoldersDoor Assy Upper Panel Lamp Holders Lower Panel Lamp Starter and Socket Refer to Location Lamp Replacement Refer toLimit Thermostat Limit ThermostatRINSE/RUN Switch BLK from Main Harness BRN/BLK toBoard J2-3 HOT/COLD Switch HOT/COLD Switch OptionalCold Water Solenoid Valve Solenoid Valve Cold Water OptionalDispense Solenoid Valve Dispense Solenoid Valve Terminals Solenoid Valve Dispense FMD-4 & FMD-5Inlet Solenoid Valve Solenoid Valve InletMain Harness Thermostat Tank HeaterTank Heater Switch Tank Heater Relay 120V Dispensers only Pull component bracket out the front of the disIf the resistance measures as described, proceed to step WHI/GRN from TransformerRemove and discard the transformer WHI from BLK from Main HarnessSchematic Wiring Diagram FMD-4 Single PHASE, 60HZ Schematic Wiring Diagram FMD-5 Single PHASE, 60HZ
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FMD-4, FMD-5 specifications

The Bunn FMD-5 is a state-of-the-art coffee dispenser designed specifically for high-volume coffee brewing situations. This machine is ideal for restaurants, convenience stores, and other establishments that require an efficient and reliable coffee dispensing solution.

One of the primary features of the Bunn FMD-5 is its ability to brew and serve fresh, hot coffee with exceptional speed. The unit is capable of dispensing up to five gallons of coffee per hour, making it an ideal choice for busy environments where customer demand is high. The system utilizes a digital brewer control that allows for precise brewing temperatures and times, ensuring consistency in flavor and quality.

The FMD-5 also incorporates advanced technologies to streamline the brewing process. It features a programmable control panel that allows users to adjust settings based on their specific needs. This includes the ability to set brew cycles, control brew levels, and even program different brew strengths. The easy-to-read digital display shows real-time information, making it simple for operators to monitor the brewing process.

Another notable characteristic of the Bunn FMD-5 is its compact and space-saving design. Despite its robust brewing capacity, the unit is designed to fit easily in various retail and foodservice environments. The machine is also built with durable materials, ensuring longevity and reliability under heavy usage.

For maintenance, the FMD-5 is designed with user convenience in mind. It features removable components and accessible areas for easy cleaning and routine maintenance. Users can also benefit from preventative maintenance features that monitor the machine’s performance, alerting operators to any potential issues before they escalate.

In terms of versatility, the Bunn FMD-5 can accommodate different brewing systems and coffee types, allowing users to customize their offerings based on customer preferences. It supports pre-ground coffee and can also be adapted for different brewing styles, enhancing its usability in various coffee service environments.

Overall, the Bunn FMD-5 is an impressive combination of speed, efficiency, and flexibility, making it an excellent choice for any operation that demands high-quality coffee with minimal wait time. Whether you are serving a morning rush of customers or maintaining a steady stream of coffee through the day, the Bunn FMD-5 stands out as a reliable and efficient coffee dispensing solution.
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