Bunn OL, Operating & Service Manual

Page: 117 / 176

Page 25
Thermal Cut-off
Location:
The thermal cut-off is located on the tank heater,
FIG. 28.
SERVICE (cont.) Test Procedures:
1. Disconnect the brewer from the power source.
2. Disconnect the thermal cut-off from the tank
heater terminal and the wiring harness.
3. Check for continuity across the thermal cut-off
terminals using an ohmmeter.
If continuity is present, the thermal cut-off is operat-
ing properly. If continuity is not present as described,
replace the thermal cut-off.
Removal and Replacement:
1. Disconnect the thermal cut-off from the tank
heater terminal and the wiring harness.
2. Remove thermal cut-off and discard.
3. Connect new thermal cut-off to the tank heater
terminal and the wiring harness.
FIG. 28 THERMAL CUT-OFF
P1698
32440 070700
Part II