Bunn twf-ez service manual Brew Solenoid Valve Iced Tea, SERVICE cont

SERVICE (cont.)		6.	Check the iced tea solenoid valve for coil action.
BREW SOLENOID VALVE (ICED TEA)
			Connect the brewer to the power source. With TEA/
			OFF/COFFEE switch in the "TEA" position press
			the start switch and listen carefully in the vicinity
			of the solenoid valve for a "clicking" sound as the
			coil magnet attracts.
		7.	Disconnect the brewer from the power source.
		If the sound is heard as described and water will not
		pass through the solenoid valve, there may be a block-
		age in the water line before the solenoid valve or, the
		solenoid valve may require inspection for wear, and
		removal of waterborne particles.
		If the sound is not heard as described, replace the
		solenoid valve.
		Removal and Replacement:
		1.	Remove all wires from solenoid valves.
	P1960.60	2.	Turn off the water supply to the brewer.
	FIG. 4 ICED TEA BREW SOLENOID VALVE	3.	Disconnect the water lines to and from the sole-
Location:			noid valves.
	Viewing the brewer from the rear the iced tea brew	4.	Remove the two #8-32 keps nuts holding the
solenoid valve is mounted in the center of the mount-			mounting bracket to the brewer base.
ing bracket.		5.	Lift out the bracket.
		6.	Remove the two #10-32 slotted-head screws hold-
Test Procedures:			ing the iced tea brew solenoid valve to the mount-
1. Disconnect the brewer from the power source.			ing bracket.
2. Disconnect the white/blue and white wires from		7.	Securely install the new iced tea brew solenoid
	the iced tea brew and dilution solenoid valves. With		valve to the mounting bracket.
	the TEA/OFF/COFFEE switch in the "TEA" position	8.	Attach the mounting bracket to the brewer base.
	press the start switch.	9.	Securely fasten the water lines to and from the
3.	With a voltmeter, check the voltage across the		solenoid valves.
	white/blue and white wires. Connect the brewer	10.	Refer to Fig. 5 when reconnecting the wires.
	to the power source. The indication must be 120
	volts ac.
4. Disconnect the brewer from the power source.			WHI to Main
			Harness

If voltage is present as described, proceed to #5.

If voltage is not present as described, refer to the Wir- ing Diagram and check brewer wiring harness.

5. Check for continuity across the iced tea brew so-	WHI/RED
	to Switch HOT COFFEE
lenoid valve coil terminals.	BREW SOLENOID
If continuity is present as described, reconnect the	WHI/BLU	ICED TEA BREW
		SOLENOID
white/blue and white wires to the solenoid.	to Switch	DILUTION
		SOLENOID
If continuity is not present as described, replace the			P1364
solenoid valve.	FIG.5 SOLENOID VALVE TERMINALS
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