Primary Heaters - Graco Reactor E-20 Series Manual

Repair

Primary Heaters

Heater Element
1. Turn main power OFF
supply.
2. Relieve pressure, page 26.
3. Wait for heaters to cool.
4. Remove heater shroud.
5. See F . 6. Disconnect heater element wires from
IG
heater wire connector. Test with ohmmeter.
Total Heater
Wattage Element
6,000 1500
7,650 2550
10,200 2550
6. To remove heater element, first remove thermocou-
ple (310) to avoid damage, see step 7, page 44.
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, page 44.
11. Reconnect heater element leadwires to heater wire
connector.
12. Replace heater shroud.
42
. Disconnect power
Ohms
30-35
18-21
18-21
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.
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