Graco Reactor E-20 PH9030 — инструкция по ремонту основных обогревателей и элементов [41/76]

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Repair

312066ZAF 41

Primary Heaters

Heater Element

1. Turn main power OFF . Disconnect power

supply.

2. Perform the Pressure Relief Procedure, page 25.

3. Wait for heaters to cool.

4. Remove heater shroud.

5. See FIG. 6, page 42. Disconnect heater element

wires from heater wire connector. Test with

ohmmeter.

6. To remove heater element, first remove

thermocouple (310) to avoid damage, see step

Thermocouple, page 43.

7. Remove heater element (307) from housing (301).

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 (307), holding mixer

(309) so it does not block thermocouple port (P).

10. Reinstall thermocouple. See page Thermocouple,

page 43.

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.

Total Heater

Wattage Element Ohms

6,000 1500 30-35

7,650 2550 18-21

10,200 2550 18-21