SERVICE (cont.)
Dispense Valve (PC Only)
Location:
The Dispense Valve is located behind control panel.
If voltage is not present as described, refer to Wir- ing Diagrams and check the dispenser wiring harness. Also check the control board for proper operation.
Bracket |
Shroud |
Dispense valve |
Nut |
Flare nut |
FIG. 18a DISPENSE VALVE |
Test Procedures:
1.Check the valve for coil action. Turn on the valve with the dispense button. Listen carefully in the vicinity of the dispense valve for a click as the coil pulls the plunger in.
If no sound is heard as described, proceed to #2. If the sound is heard as described, there may be a
blockage in the valve. Disconnect the dispenser from the power source. Remove the valve and inspect for blockage, and
2.Connect voltmeter leads to the coil terminals. Turn on the valve with the dispense button. NOTE: Due to the internally rectified coil, the indication will be 120VAC all the time. Set the meter to DC volts. The indication should be 170VDC when activated. If the polarity of meter leads are reversed, reading will indicate
If voltage is present as described, but no coil action is observed, valve is defective. Replace valve and test again to verify repair.
Removal and Replacement:
1.Disconnect the dispenser from the power source and allow to cool.
2.Drain enough water from the tank so the water level is below the outlet.
3.Remove the nut and flare nut from the valve.
4.Remove the top cover, shroud, and bracket.
5.Disconnect wires from the valve.
6.Using a back up wrench to hold fitting in place, Remove the valve.
7.Wrap threads of fitting with Teflon tape and install new valve.
8.Install bracket, nut, flare nut, wires and covers.
FIG. 18b |
VALVE REMOVAL |
REPAIR KIT |
FIG. 18c |
VALVE REPAIR KIT |
18 | 42311 071310 |
|
