SERVICE (cont.)
TANK HEATER
FIG. 14 TANK HEATER | P1960.60 |
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Location:
The tank heater is located inside the tank and se- cured to the tank lid.
Test Procedures:
1.Disconnect the brewer from the power supply.
2.With a voltmeter, check the voltage across the black and white wires. Connect the brewer to the power source. The indication must be 120 volts ac.
3.Disconnect the brewer from the power source.
If voltage is present as described, proceed to #4
If voltage is not present as described, refer to the Wir- ing Diagram and check wiring harness.
4.Disconnect the black wire and the white wire from the tank heater terminals.
5.Check for continuity across the tank heater termi- nals.
If continuity is present as described, reconnect the wires, the tank heater is operating properly.
If continuity is not present as described, replace the tank heater.
NOTE- If the tank heater remains unable to heat, re- move and inspect heater for cracks in the sheath.
Removal and Replacement:
1.Disconnect the black wire and white wire from the tank heater terminals.
2.Remove the temperature probe and grommet from the tank lid.
3.Disconnect and remove the faucet tube.
4.Remove sprayhead and the hex nut securing the sprayhead tube to the hood. Set aside for reas- sembly.
5.Disconnect and remove the water inlet tube.
6.Disconnect vent tube.
7.Remove the eight
8.Remove the tank lid with limit thermostat, spray- head tube, tank heater, faucet coil and vent tube.
9.Remove the two hex nuts securing the tank heater to the tank lid. Remove tank heater with gaskets and discard.
10.Install new tank heater with gaskets on the tank lid and secure with two hex nuts.
11.Install tank lid with limit thermostat, sprayhead tube, tank heater, faucet coil and vent tube. Install green grounding wire to tank stud and secure with eight
12.Secure sprayhead tube to hood using a hex nut.
13.Install sprayhead.
14.Connect vent tube to fitting.
15.Install the faucet tube.
16.Install water inlet tube.
17.Install the temperature probe and grommet to the tank lid.
18.Reconnect the wires to the limit thermostat and tank heater. See limit thermostat section when reconnecting wires.
19.Refer to Fig.15 when reconnecting the tank heater wires.
BLK Thermal
Fuse to Limit
Thermostat
WHI to Main
Harness
FIG. 15 TANK HEATER TERMINALS | P1369 |
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Page 22 | 29466 | 061599 |
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