TM 9-4540-202-12&P
3-1. GENERAL - Continued
Table 3-1. Operator/Crew Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2. Check for empty fuel tank
Remove the fuel tank and fill. Refer to Step 2. under HEATER FAILS TO START and fill the tank.
Step 3. Check for slow fuel flow.
Increase fuel flow by opening the fuel valve, turning it counterclockwise slightly.
Step 4. Check if flame is blown out.
Shield heater from the wind and restart.
WARNING
Do not attempt to light heater If there Is an accumulation of fuel In burner chamber.
Do not expose face to burner compartment while lighting or adjusting fuel flow.
Wear heat protective gloves when Igniting fuel with Igniter cup.
Re-preheat the flue for one or two minutes. Refer to Step 3. under HEATER FAILS TO START and perform
the same procedures.
Step 5. Check the combustion chamber for water.
a. Shut down the heater.
b. Remove the smokestack
c. Remove burner from inside heater body.
d. Using a flashlight, look down the flue compartment into the combustion chamber to see if water is
present in the chamber.
Clear water from combustion chamber. Refer to Step 4. under HEATER FAILS TO START and perform the
same procedures.
3-5
