TM 3-4230-237-10
0014 00
TROUBLESHOOTING PROCEDURES - Continued
Table 1. Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER HEATER - Continued
2. BURNER SPUTTERS OUT AND DIESEL ENGINE STOPS.
Step 1. See if there is fuel in the pump unit tank.
Refill fuel tank.
Step 2. Check FUEL PRESSURE gage reading (as illustrated) to assure that the fuel pressure is correct.
If pressure gage is not at 150 psi, notify Unit Maintenance.
WATER PRESSURE
WATER TEMPERATURE
FUEL PRESSURE
W
ER
AR
LD
M
ER
CO
THERMOSTAT
SYSTEM
FUEL PRESSURE Gage
CIRCUIT
BREAKER
HEATER
ON
OFF
Step 3. Check to see if air is leaking into the hose where the quick disconnect joins to the pump unit. Apply
GAA lubricant (WP 0028 00, item 15) to quick disconnect for test.
If burner operates normally, then resumes sputtering, air leak is present.
Notify Unit Maintenance.
Step 4. Check main power cable for dirt, obstructions, or loose or broken connections.
If heater motor is running erratically, or if cable is hot to touch, notify Unit Maintenance.
0014 00-7
