Bunn FMD-2 Manuel de service télécharger pdf (Page 12)

SERVICE

This section provides procedures for testing and

replacing various major components used in this

dispenser should service become necessary. Refer to

Troubleshooting

for assistance in determining the

cause of any problem.

WARNING - Inspection, testing, and repair of electri-

cal equipment should be performed only by qualified

service personnel. The dispenser should be un-

plugged when servicing, except when electrical tests

are required and the test procedure specifically states

to plug-in the dispenser.

COMPONENT ACCESS

WARNING - Disconnect the dispenser from the power

source before the removal of any panel or the replace-

ment of any component.

All components are accessible by opening the

door, removal of the door panels, dispenser top cov-

ers, hoppers, hopper support plate, splash

guard,splash panel w/drip tray, lower front access

panel, side and rear access covers.

Contents

Auger Drive Components...................................... 12

Auger Motor ......................................................... 14

Ballast ...................................................................15

Control Thermostat............................................... 16

Dispense Switch ................................................... 17

Fan........................................................................ 18

Frother ................................................................. 19

Hopper Delay Board.............................................. 21

Hot/Cold Switch .................................................... 22

Lamp Holder ......................................................... 23

Lamp .................................................................... 23

Lamp Starter and Socket ...................................... 24

Level Control Board and Level Probe ....................24

Limit Thermostat .................................................. 26

Overflow Protection Switch .................................. 27

Rinse/Run Switch ................................................. 28

Solenoid (Cold Drink - Optional) ...........................29

Solenoid (Dispense) ............................................. 30

Solenoid (Inlet) ..................................................... 31

Tank Heater .......................................................... 32

Tank Heater Switch ...............................................33

Whipper Motor ..................................................... 19

Wiring Diagrams.......................................... 35 & 36

FIG. 1 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. 2 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 white/violet wire for

the right motor, orange wire for the center motor

or the red wire for the left motor and the gray wire

with a voltmeter. With the rinse/run switch in the

run position press and hold the appropriate dis-

pense switch. Connect the dispenser to the power

supply. After a .7 second delay the indication must

be :

a) 120 volts ac for two wire 120 volt models.

b) 120 volts ac for three wire 120/208 volt or 120/

240 volt models.

c) 240 volts ac for two wire 240 volt models.

AUGER DRIVE COMPONENTS

P1445.40

28364 011598

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 35 36

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Bunn FMD-2 Manuel de service Page 12

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