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Repair
28 3A1570A
Primary Heater
Heater Element
1. Turn main power OFF . Disconnect power
supply.
2. Relieve pressure, page 13.
3. Wait for heaters to cool.
4. Remove heater shroud.
5. See F
IG. 7. Disconnect heater element wires from
heater wire connector. Test with ohmmeter.
6. To remove heater element, first remove thermocou-
ple (361) to avoid damage, see step 7, page 30.
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 30.
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 4. Wait for heater to cool
before repairing.
Heater Rod
Element
Wattage Ohms
1500 30-35