Bunn JDF-4SB Coffeemaker User Manual


 
33
SERVICE (CONT.)
Dispense Valve (all Models)
FIG. 39 DISPENSE VALVE
Location:
The Dispense Valves are located at the front of the
platform assembly.
Test Procedure:
1. Disconnect the dispenser from the power source.
2. With a voltmeter, check the voltage across the two
wire terminals of the valve solenoid. Connect the
dispenser to the power source. The indication must
be 24 volts ac.
3. Disconnect the dispenser from the power source.
If voltage is present as described, replace the valve.
If voltage is not present as described, refer to the Wiring
Diagrams and check the dispenser wiring harness back
to the transformer (See TRANSFORMER).
Removal and Replacement:
1. Disconnect the two wires from the dispense
valve.
2. Remove the #6-32 screw and plate securing the
water manifold tube to the valve.
3. Loosen the two #6-32 screws securing the valve
to the platform assembly and remove the valve.
4. Install the new valve onto the platform and secure
with two #6-32 screws previously removed.
5. Inspect the o-ring on the manifold tube connector
for signs of wear and replace if necessary.
6. Connect the water manifold tube to the valve and
secure in place with the plate and #6-32 screw
previously removed.
7. Reconnect the two wires to the valve as shown in
Fig. 40.
FIG. 40 DISPENSE VALVE CONNECTORS
P3503
Dispense Station
#1 WHI/VIO
Dispense Station
#2 WHI/ORN
Dispense Station
#3 WHI/VIO
Dispense Station
#4 WHI/ORN
YEL to Control Board
49179 110613