Bunn AF PR-3 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 unplugged when servicing, except when electrical tests are re- quired 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 mounting panel. Refer to Fig. 1

Refer to the contents listing for component loca- tion.

Contents
Circuit Board	8
Fuse & Fuse Holder	9
Main ON/OFF Switch	10
Probe LOW/OFF/HIGH Switches	11
Refill ON/OFF Switches	12
Vacuum/Supply Pump Assembly	13
Vacuum/Supply Pump Tubing Installation	14
Vacuum Switches	15
Wiring Diagrams	16,17

	P1561
FIG. 1 COMPONENT ACCESS

7 28791.1 011500