Repair
3A1570V 31
Primary Heater
Heater Element
1. Turn main power OFF . Disconnect power
supply.
2. Follow the Pressure Relief Procedure, page 15.
3. Wait for heaters to cool.
4. Remove heater shroud.
5. See F
IG
. 7, page 32. Disconnect heater element
wires from heater wire connector. Test with
ohmmeter.
6. To remove heater element, first remove
thermocouple (361) to avoid damage, see
Thermocouple, step 7, page 33.
7. Remove heater element (358) from housing (351).
Be careful not to spill any fluid left in housing.
8. Inspect element. It should be relatively smooth and
shiny. If there is a crusted, burnt, ash-like material
adhered to element or sheath shows pitting marks,
replace element.
9. Install new heater element (358), holding mixer
(360) so it does not block thermocouple port (P).
10. Reinstall Thermocouple, page 33.
11. Reconnect heater element leadwires to heater wire
connector.
12. Replace heater shroud.
Line Voltage
The primary heaters output their rated wattage at 230
Vac. Low line voltage will reduce power available and
the heaters will not perform at full capability.
Read Warnings on page 5. Wait for heater to cool
before repairing.
Heater Rod Element Wattage Ohms
1500 30-35
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