TM 10-3510-220-24
Table 2-2. Unit Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. WATER HEATER EXHAUST GASES ARE SMOKEY.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Check for intermittent burner electrode spark.
a .
If spark is intermittent, adjustor replace electrodes. Refer to
paragraph 2-36.
b.
If spark is steady, proceed to next step.
Check for contaminated fuel by draining a small sample into a clear container. Look
for sediment or a fuel/water separation line.
a .
If sediment or water is present, drain fuel supply and fill with proper fuel.
Refer to TM 10-3510-220-10.
b .
If no sediment or water is present, proceed to next step.
Check for clogged nozzle.
a.
If nozzle is clogged, clean or replace nozzle. Refer to paragraph 2-36.
b. If nozzle is not clogged, proceed to next step.
Check for obstruction in blower.
a .
If blower is obstructed, remove obstruction. Refer to paragraph 2-38.
b .
If blower is not obstructed, proceed to next step.
Check for low output voltage from power sources. Refer to TM 5-6115-585-12.
a.
If power source is low, adjust output power of power source for proper
voltage. Refer to TM 5-6115-585-12.
b .
If output voltage is correct and problem persists, notify your supervisor.
2-25
