Table 3-1. Operator/Crew Troubleshooting - Continued
TEST OR INSPECTION
Figure 3-1. Immersion Heater Fuel Tank Filling Procedure
Do not attempt to light heater If there is an accumulation of fuel in burner chamber
Step 3. Check for sufficient preheating of the flue.
Re-preheat for one to two minutes.
a. Check that the fuel vent plug is open (Figure 3-2).
b. Push the igniter handle to the left and swing the igniter cup below the fuel valve.