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. - Continued
Step 5. Check HEATER RECEPTACLE AND SWITCH on pump unit for loose power cable connection to
be sure there is power.
Tighten power cable connection.
DECONTAMINATING APPARATUS M12A1
SER NO.
NSN
HEATER RECEPTACLE
PBA UPGRADE DATE
AND SWITCH
U.S.
Main Power Cable
Step 6. Remove side panels of water heater and visually check for leaking fuel lines.
Notify Unit Maintenance.
Step 7. Remove side panel of water heater and check for air space, air bubbles or foam in fuel filter/water
separator bowl.
If any of the above conditions exist, notify Unit Maintenance.
3. WATER TOO HOT (TEMPERATURE READING GREATER THAN 70F ABOVE THERMOSTAT SETTING).
Step 1. Check WATER TEMPERATURE gage on front of heater. If gage indicates temperature of 200 F
or higher, the automatic control and safety devices of the water heater are defective.
Shut off heater and notify Unit Maintenance.
0014 00-8
