Bunn AFPO-3, AFPO-2 SL service manual Service, Component Access, Contents

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 removing the eight #8-32 screws (five on the front and three on the rear) securing the main housing to the main mount- ing panel and the removal of the four #8-32 nuts se- curing the pump/solenoid switch panel to the sole- noid mounting bracket. Refer to Fig. 1

Refer to the contents listing for component loca- tion.

Contents
Circuit Board	10
Fuse & Fuse Holder	11
Main ON/OFF Switch	12
Probe LOW/OFF/HIGH Switches	13
Pump (Flavor) Start Switches	14
Refill ON/OFF Switches	15
Solenoid	16
Solenoid (Water) Start Switches	17
Test/Operate Switch	18
Vacuum/Supply Pump Assembly	19
Vacuum Switches	21
Piping Diagram	22
Wiring Diagrams	23

							1
					REFI	LL	2
				3			N
							MAIER
							POW
				TER
				WA	UT
				INP
		1		1
		OR	LAV	OR
				T
		FLUATVPUT	FINPU	2
		O
	2	TERT
		WATPU	3
		OU
	R
	VO T
	FLATPU
	OU
3	TERT
	WATPU
	OU
R
VO T
FLATPU
OU
TERT
WATPU
OU
FIG. 1 COMPONENT ACCESS							P1521

9 28791 040501