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for Technical Support
8.5.4 Preheater Cleaning
How often?
Once per year.
Tools Required:
3/4 in. wrench, pipe wrench or vice, wire brush, one gallon of 140°F (60°C) + flashpoint parts
washer fluid, safety glasses, rubber gloves.
Replacement Parts:
Preheater Gaskets ( Qty=2 - PN 20940122 )
Procedure - All Models (refer to figures):
1. Wear all safety equipment.
2. Unplug the burner at the vessel wiring box.
3. Disconnect the Preheater Connector at the Burner, allow it to cool.
Until
the preheater has cooled, the parts and the oil are hot.
4. Close the preheater inlet valve and disconnect the fuel tubing from the Inlet and Outlet
Ports of the Preheater.
5. Remove the Preheater mounting bolt and Preheater.
Unplug burner
Preheater Inlet Valve
Preheater
Connector
Preheater
Connector
EL-200B
EL-375B / EL-500B
Removing Preheater
