L.B. White I3 - Page 20

19
Combustion Cone Kit
Part # - 23543
Heater Backflashes
Gas
Through
Air
Inlet.
Problem 44
Is
Inner
Cone Seam
fractured or is Tip
Damaged or
Missing?
Replace Combustion Cone.
Yes
No
Are
Injector
Body, Orifices,Filter,
Venturi Tube, or Inner
Cone Partially Plugged
with Dirt?
Clean these Components.
No
Is Proper
Gas Pressure
Being Supplied to
the Heater?
Check for Proper Gas
Pressure. Proper
Pressure at High Heat
Should Read 5 PSIG.
Yes
No
Yes
Are Burner
Assembly
Nuts Loose?
Yes
Tighten the Nuts
Is
the Burner
Plate or Burner
Gasket
Cracked?
Yes
Replace the Burner Plate or Gasket
No
No
Is
Inner Cone
Weld Seam Aligned
to Burner Plate
Notch?
No
Position the Inner Cone
Weld Seam in Burner
Plate Notch.